Boat leaking gear oil. No rust or looseness.

Boat leaking gear oil Nov 10, 2023 · Because oil is leaking from it, the driveshaft seals (which are quite frequent) are worn and will leak oil when the motor is tilted up and down. When I removed the Leg last week, it wasn't leaking. RepairPal. The prop shaft and drive shaft each have two seals back to back, they are all identical however. 0 MPI with Alpha One Gen 2 drive with 250 total hours. Remove the drive from the boat, split the drive. I would remove the drive from the bell-housing and do the test on a stand. It's leaking from the bottom water intake slit as in the picture. I know this because after a day of boating (and constantly refilling the reservoir) there is a pool of gear lube oil in the back of the boat in the bilge area. I drained the gear oil and it looks fabulous. The shift solenoid controls gear engagement and gear shift. Transmission leaks, shifting issues and slipping between gears have also been reported by owne Otters are eaten by large predators, such as great white sharks, killer whales, bears, sea lions, eagles and coyotes, depending on their geographical location. Each spark plug has an O-ring that prevents oil leaks. The small metal pieces appear to be coming from the same area the oil is leaking. BUT wanted to first ask what everybody prefers as far as outdrive oil. You have what is called a "GEN II "drive. It serves as a reservoir for the engine oil and plays a crucial role in maint Raise the vehicle if necessary to inspect the underside of it, and thoroughly inspect the engine and oil pan to determine the cause of the leak. I let engine run at idle for about a half hour a couple of days ago and there was no drop in gear oil or a slick. no more messy bilge, no loss in fluid. If you didn't run the motor in the water check the amount of oil in lower unit. Didn't use it on the dinghy this season because of covid. If it does not come off,you must take a small flat screwdriver and scrape the mating surface on the fill to remove the old gasket. We had a great run on the bay of Fundy 3 days ago,but tonight as I was prepping for our next trip I noticed gear oil leaking from the intake screens. Looking inside the propeller, I could see some wetness May 19, 2016 · Its not leaking enough oil to cause a catastrophic failure of course, maybe 1 drip per day I would say at the most. Its gear oil Im 100% on that. It looks like it may even be cracked. I traced it up to the joint between the two halves. Put it all back together and back on the boat. I took it to the local dealer and he said it was impossible for oil to come out there. I have not made a thorough check of the engine compartment, but my friend tells me that there is no oil spill in there. Aug 15, 2021 · The gear lube can be leaking or disappearing from several sources. Jul 8, 2009 · Re: gear oil leaking from prop area, HARD FIX???? That's a good point. I replaced the upper and lower oil seals as well as the cap bearing and gear sets. When those leak, oil will leak out of the water intakes. I changed the Dec 21, 2010 · Re: 150 hp, lower Unit Leaking gear oil out vent hole On both engines mentioned above, the vent holes are there to drain any trapped water. There was no water in the gear lube when I drained it. It is a little disconcerting considering this motor is brand new that it would be leaking gear oil out of a bolt that has never been touched. Mar 11, 2013 · Quite a lot of oil came out of there. If you suspect an oil leak, it is crucial to address the issue as soon as possible to avoid potential damage or expensive repairs. Where is the most likely source of the leak? The drive is dry other than the bellows. This is a slow leak but very concerning. However, one common issue that can arise is oil stains. After pressurizing the gear case and brushing the seals with soapy water, I could see that the oil seals were indeed leaking. Customer: mecury 60 hp leaking gear oil out of water intake Mechanic's Assistant: Sometimes things that you think will be really complicated end up being easy to fix. That's a nasty leak from somewhere under the cowl. That being said, if you have gear oil leaking out of the water intakes the most likely issue is the lower driveshaft oil seals. Pressure tested everything at 12psi for 12 hours and I’m ready to refil with oil and test. Mar 29, 2013 · Re: Gear oil leaking out of water intake on lower unit of an alpha one outdrive! I have what sounds like the same problem. 2). Also when draining the gear oil to winterize it, there was a lot of water that came out. I was good to go. Take off the plug and see if the gasket comes out with it. It's a 94 50hp oil injected johnson that hasn't been started since june 2010 but ran great at that time. May 2, 2008 · Re: Oil leaking out exhaust port! Help! As you already figured out, it does not make sense to assume it's gear oil. I have since pressure tested the drive and I can hear a leak at the U-Joint Jun 3, 2012 · Reassembled everything and still have a gear oil leak. That isn't unburned fuel and oil and that's not normal. If any part of my answer is confusing, incomplete, or you need more detail on the issue. On the last trip of the season I took the top screw off of the outdrive (bravo 3) and oil came out. If it does you are in good shape,just replace it. When my sterndrive in raised, I leak gear oil out the back. "Thanks in advance, I have a 1974 6 HP Evinrude that I am getting drips of gear oil out of the prop hub. T. 0 - Leaking Gear Oil ????? HELP The olny place where it looks like it could leak is at the 90' fitting, and it appears that its okay, there's no oil there and still some dust right under the fitting, its about 4 inches from the where the oil is pooling under the output shaft ??? does this sound right?? Mar 12, 2012 · Re: Water in outdrive gear oil, now leaking from prop hub?? You test with about 15 psi of air. 3, alpha one GenII) saw gear oil (sick gray color) coming out drain hole top of lower unit right side couple inches fwd of rudder shaped zinc. A pretty good puddle. May 25, 2009 · I have the gear oil resevoir inside the motor compartment. Could this be a bad seal or could it be a crack in the lower unit Jun 24, 2016 · Shift Shaft Seal/Bushing 90 HP EFI MercuryWater leaking into Lower Unit Gear Case of 2010 90hp EFI Mercury. If that were true, the $200+ i spent on a professional presuure checker and vacuum checker (Stevens) would have been a waist of money. When the gearbox oil on an outboard either leaks out entirely or gets emulsified, it is generally because on or more of the oil seals have failed. Gear lube leaks can be caused by a number of things, including damaged seals or gaskets, a cracked case, or stripped pinion gear and some reverse gears. Most cheap automotive gear oil does not have the foaming additives due to it runs in a vented housing whereas a outboard need the anti foaming GL4 minimum. The next thing is, as I was looking for the reason for the beeping, I noticed water being slung from the lower left pulley on the engine. removed replaced the original Bravo 3 with a rebuilt drive & now find gear oil leaking from the water intakes on the lower housing. I thought for sure I would see some kind of oil in the water if it was a true leak, but I never did. It drops at least 5-10 PSI. Plus fogging oil if you did fog it last fall. It prevents coolant and oil from mixing as it enters the engine. 0 is leaking gear lube oil. There was no water leaks or oil leaks when I pulled the outdrive off from the bellhousing. I lowered the motor to fit the boat in my garage and noticed a real thick oil leaking out of the prop area. GL-5 oil has roughly twice as much of the EP additive as GL- Pontoon boats are a great way to enjoy the water and have fun with family and friends. Apr 30, 2020 · When I went to change my lower unit gear oil the unit was full of water. Probably worthwhile renewing the shift rod seal ( O ring ) at the same time Jan 25, 2025 · This is a sequel to a post back in 2020, where our bow thruster was leaking oil into the belt housing. There are also metal shavings in the oil trapped inside the rubber boot where the shaft goes back through, bellows. The According to Mobil Oil, it takes 2 hours to install a new radiator. Feb 4, 2012 · 1996 Evinrude 112 SPL. Note the correct orientation of the seals. You Apr 30, 2012 · Re: Gear Oil Leak - Possible Yoke Seal 1). Here are the most common causes o The most common complaints about International Trucks include a host of electrical and wiring failures, high-pressure oil lines and pumps leaking and failing, transmission issues, Signs of a bad transmission include clunking, whining and humming; lack of response while driving, such as when a car seems to have trouble switching gears; grinding or shaking; an The shift solenoid is located inside the oil valve connected to the valve body. In this ca Gear oil would indicate a bad seal. if gear oil is leaking from outdrive you need to remove the drive, drain the gear oil and pressure check it and determine if there is a leak. Those parts were ok. Some of the oil that you put in the gas burns on the way through the motor Oct 21, 2007 · Re: Gear Oil In Driveshaft Bellows I too had a little oil laying at the bottom of the bellows, wasn't too concerned though as I noticed the gimble bearing was oozing oil and it dripped straight down onto the bellows, quess the previous owner just pumped it full with ordinary bearing grease, rather than the waterproof stuff. Other common problems with John Deere tractors inclu Symptoms of a cracked cylinder head are identical to those of a blown head gasket and include engine misfires, leaking oil that drains from the engine and the seemingly unexplained A leaking tub faucet can be a nuisance and a waste of water. 3 The shaft is in a fixed position ,IT DOSENT MOVE UP. Grinding Noises Feb 5, 2014 · Re: Gear oil dripping from water s\drain hole Hello Richard, First thing you need to do is drain the oil from the drive and pressure test it. I'm assuming it's a seal. For example, lo Some of the steps to winterize a jet boat include adding fuel treatment, changing the oil and covering the boat. Just smell the residue. 2) I replaced the reservoir 3) I replaced the hose from the reservoir that goes to the transom Apr 20, 2012 · Re: Outdrive Leaking Gear Oil Thru Exhaust Chute (need repair help) OK Don S. Suspect a missing or damaged seal at the drive to transom housing. Laying a refrigerator on its side can cause oil to leak into the cooling tubes, which may cause permanent damage. Now the gear oil coming out was milky as it mixed with waster somewhere. I recently changed the gear case oil and the oil leaking was burnt and ugly so I'm pretty sure its not gear oil. As a result, th Concrete driveways are a popular choice for homeowners due to their durability and low maintenance. Although most of these issues are It is important to ensure that there is always adequate transmission fluid. Charles Apr 8, 2021 · I usually replace the propeller shaft seal ( often find fishline wrapped) then buy some cheap lightweight box store oil and fill gearcase from bottom and let it run out the top vent for a little while, where the water is lighter than oil it usually flushes out. Jul 13, 2012 · Once the drive was broken loose gear oil immediately started leaking out. The boat and motor haven't been in the water for 10 years. Then I decided to pull the drive and that’s when I discovered a ton of oil in the bellows. If oil can get out, it almost always means that water is getting in. One common issue that use Overfilling an automatic transmission causes the fluid to foam, leading to erratic gear shifting, oil starvation and transmission damage. Jul 31, 2020 · Well, if there is no external oil evidence your next step is pulling your drive as Nola and Rick stated. Personally, I'd replace both. The head gasket plays a vital role in sealing the engine’s A refrigerator should be transported in an upright position. In two of the photos you can see the gear oil that somehow made it's way out of where it is suppose to be. its like a vented cap sorta with a small round rubber gasket and my gasket was missing a piece. After taking it out of the barrel more gear oil came out of those holes. the only place gear oil can be getting into the bellows is through that seal, or the 'O' ring associated with it. That is gear oil leaking out of your drive. I was thinking it was just unburned 2 stroke oil/gases but its definitely gear oil after inspecting it. . I dropped the lower unit and disassembled the water pump so I could see the main oil seals around the drive shaft. 1. Time for a gear lube check and then a drive pressure and vacuum test. Understanding the common causes of these leaks is the first step in addressin. When I picked up boat I noticed gear oil leaking between transom and bell housing. It prevents liquids or gases from leaking through a joint or from allowing dirt to en In the automotive industry, one of the key components that ensures smooth operation and prevents leaks is the oil seal. and changed the impeller and the upper seals. Ask the mechanic and he said it could be a leak in the line. May 16, 2013 · Re: Force 50 hp Lower Unit Leaking Oil & Water from Bolts All, I've attached some photos of what I found when I dropped the LU form the motor leg. I went to put it back on yesterday, and noticed it was pissing oil everywhere by the prop. If you think it is gear oil check the oil in your gear case. I dropped the lower unit on my 4. Hey guys. It's definitely leaking inside the boat. I pulled the vent plug on the drive and verified the drive had oil. Jul 23, 2001 · Re: OMC Cobra lower unit leaking gear oil Well,<br /><br />After performing a pressure test, I can tell that the bearing housing in the lower unit is leaking at the o-ring seal where the 4 bolts are that hold it to the lower unit. Here is how to do it without taking the gear case apart. My son had replaced the gear oil last fall. You need to have the drive drained, and pressure/vacuum tested, the leaks sealed, if there is water in the drive oil, that mess will need to be cleaned out of the drive as well. The radiator does not contain any moving parts; however, when corrosion is present, it could cause the radiator Cars backfire for several reasons, including air and fuel mixing due to leaking hoses or other mechanical problems. A slipping tr SJ10W-40 is the type of engine oil required for gas-powered 49cc scooters. Anyone know what is involved to change out this seal? Mar 20, 2013 · First off, we found a great deal of outdrive gear oil in the bellows. When adding transmission fluid, checking t The cost to repair a coolant leak can vary depending on what exactly is leaking and where it is leaking from. 2. I used the sticky in this forum to quickly build a cheap pressure tester. My question is, when I replace the seals, I have been told that there is a very expensive "seal retainer" somewhere that needs to be removed prior to Aug 17, 2009 · Re: Merc 3. Oct 4, 2006 · I noticed a small oil slick behind my boat last weekend when I put it in the water, from up on the lift. But when the unit is out of the water, oil drips out of the speedometer water intake port. I poked a wire I have a 1985 3. May 11, 2011 · HI all I'm new and just bought my first used boat yesterday. Check your lower unit oil and see if water got in. Please reply and let me know. First, coming out of the left and right speedo water intakes(?) and also, coming out of a weep hole at the vertical shift rod casting. One common cause, Are you a boating enthusiast searching for the latest gear and equipment? Look no further than the West Marine Online Catalog, your one-stop-shop for all things marine-related. It's fairly simple: Shift into FWD, raise the drive so you can disconnect the speedo tube connection, lower the drive, remove the end caps and snap rings from the aft ends of the trim cylinders, push out the shaft/rod. It shifts fine into forward, neutral and reverse. Its honey colored quicksilver lower unit gear oil. It should be clear and I didn't have any gear oil to add to quiet the alarm but am quiet sure it is the culprit. It's not much, maybe only 1/2 ounce or so but nonetheless concerning. I replaced the lower unit gear oil last fall w/out any problems at all. When your car springs an oil leak on your driveway, you can use WD-40 for cleaning A gas odor in engine oil is caused by contamination of the engine oil by gas, usually due to a leaking fuel line or malfunctioning fuel injectors. Now all of the gear oil in my reservoir bottle ends up leaking into the bilge. Timber from trees is used to make boats, houses and furniture. Fortunately, there are some common causes that can be easily identified and repaired. So far I have checked: The bottle, no leaks. If you have any of the fresh gear lube left over smell it first. ). 0 MerCruiser TKS I4 and Alpha 1 V2 outdrive. 0. A cracked case, a stripped pinion gear, some reverse gears, broken seals or gaskets, or any of these items might result in gear lube leakage. I bought a 1992 Bayliner Classic 1950 that was sitting for about 4 years. Over the last few seasons I've had the to keep adding oil to the drive lube monitor bottle, maybe 2/3 of a quart over each summer. Jun 1, 2010 · Re: oil leaking around prop Just wanted to say thank you all. The differential may make noises, such as whining, howling, clunking and bearing noises. Gear lube smells totally different from gas & oil exhaust. It does not hold 15PSI overnight. A drain plug with worn threads can also cause oil To fix an oil leak in a car, find the source of the leak, check the oil pan gasket and repair the leak as appropriate. Transmission fluid leaks are a very common problem and regularly checking the fluid is the easiest way t Some signs of transmission problems are the transmission refusing to go into gear, the smell of burning transmission fluid and noises coming from the transmission when the car is i If you’ve ever experienced a windshield water leak, you know how frustrating it can be. Aug 29, 2013 · So I just bought a boat and it is leaking gear oil It's leaking even when not running. No rust or looseness. Movin Common problems with John Deere tractors include engine problems, such as overheating, poor running performance and backfiring. Some common causes of oil leaks inc The average cost to repair an oil gasket leak is $396 to $511 if the oil pan requires resealing, and $249 to $348 if the valve cover gaskets require replacement. Aug 6, 2024 · New to this boating lifestyle and have some questions. Aug 1, 2021 · Just wanted to update. The thruster has worked great since then but I continue having to top-off the reservoir and bail gear oil out of the belt housing. Before I changed the impeller and gear lube, I noticed that there was quite a bit of gear lube oil dripping below the sterndrive and even some in the bilge. The leaking engine is caused by the additional pressure on the rear main bearing The main difference between GL-4 and GL-5 gear oils is how much extreme-pressure additive has been included in the mix. The engine control module or the transmi When faced with the prospect of leak detection services, homeowners often find themselves wondering about the associated costs. It is recommend that you change the engine oil every 300 to 360 miles. So thanks again. But still need to fix gear oil leak. Oil leakage from the lower unit weep hole can have several potential causes that require identification for appropriate resolution. In both cases, with oil being visible during running or after shutdown, it is likely that the shift shaft seals are leaking while the engine is running and this leaking oil flows into the same cavity where the drain hole is. Hi I have a 2006 mercury 115 XL 1s outboard and I notice I have gear oil leak coming from a small hole on the tail which is above the oil level screw . he drained the oil, which looked slightly milky right away but soon cleared up Jun 14, 2013 · Re: Gear oil in the bilge Ok I got the drive unit off, not to hard at all! There is not any gear oil in the bellows, nothing but grease. Oct 31, 2020 · I did a gear oil change to this 2 stroke 4hp outboard round about this time last year. I'll drive as alpha 2 gen one. Pressure checks alone may not show rhe issue. Coolant leaks can be as basic as a loose clamp and as complex as a lea Basement leaks can be a homeowner’s nightmare, leading to costly repairs and potential health hazards. i know i screwed up big time any suggestions on what i should do. I replaced the gear oil at that time. Refer to attached pictures to see where the drip is coming from. That needs to be addressed. Any ideas? Do not run that motor till you find that leak and fix it. Late in the summer I had to start adding gear oil to the monitor on a fairly regular basis. Jul 28, 2022 · Leaking Gear Oil; If you notice gear oil leaking from your outboard motor, it’s a sign that the lower unit oil contained might be damaged. I replaced the water pump and all the seals on the drive shaft, but I still have gear oil leaking. The outdrive on my 1995 Mercruiser 3. Vibration and oil leaking from the rear di When it comes to vehicle maintenance, one of the most critical components that often goes overlooked is the head gasket. Sep 3, 2008 · 1979 Evinrude 85hp 85999R N 1979 Evinrude 85hp 85999R Noticed gear oil leaking out the bottom of the foot behind the prob assy. 5/8 socket on an extension to remove the six nuts (50 ft lb of torque Dec 24, 2009 · Alpha-I, Gen-II 5. How difficult are they to change? May 4, 2012 · Re: Gear Oil coming out of weep hole in lower unit i was just dealing with the same problem after a new impeler install, i replaced both top and bottom water pump halves then replaced the shift shaft bushing. National oil seals are renowned for their quality and durabi Some of the signs that a transmission is bad include slipping in and out of gear, problems accelerating, odors in the transmission fluid and transmission fluid leaks. With the drive off the boat, you can look into the front of the drive around the raw water pump, and vertical shaft and get in there to spay the soapy water. The U joints seem to be in good shape. Had motor check out by local marine store, They said all was good. I was having high engine temps and was losing small amounts of "1 your upper carrier seal is leaking gear oil. Questions: 1. Seriously, it is the oil that you mixed with the gas. Fixing an oil leak in a car takes a minimum of an hour and re The oil pan is an essential component of any vehicle’s engine system, including the 1997 Volvo 850 T5. when i was all done and i put the boat back in my garage i noticed gear oil leaking out of the nozzle of the jet and from the intake underneath the boat. It's definetely gear oil (Quicksilver green/blue). I stuck it in a barrel and ran it. Should gear oil have leaked from this cavity? To Me It appears the gear oil should stay in the drive. How fast are you leaking gear oil? Does it leak when the boat is sitting, or are you only losing oil when it’s been ran? Process of elimination to track it down: Do you have oil in the bilge? You already cleaned the reservoir, so keep an eye for fluid there or in the bilge. When the Topping off the oil in a vehicle to the point that it overflows can cause the additional oil in the oil pump to build pressure on the seal on the rear main bearing. It can The main symptom of a bad differential is noise. I replaced the 2 prop seals. While it’s not Jun 24, 2010 · Oil is apparently only leaking when the engine is running/drive is in gear. Jun 4, 2023 · Operating a boat with a lower unit oil leak can be risky, as it may cause the gears to overheat and fail. Mar 29, 2023 · When trouble shooting gear oil leaks/water in gear oil. Because the seals are located beneath the water pump plate and in the water route, any oil leakage will migrate (pun intended) to the drain hole, which is the lowest position. Relatively simple job to replace them while the lower unit is off to do the pump . Earlier this year I found water in my outboard's gearcase oil during a pre-s Sep 8, 2011 · OK, so I have read all the various threads about unburnt gas/oil leaking from the prop, however my leak is 100% definitely gear oil. It looks to me its leaking directly from prop area which means prop shaft seals I am assuming. Before you start your boat motor, pull all the plugs and leave Jun 8, 2023 · Leaking Gear Oil The lower unit oil stored in your outboard engine may be damaged if you observe gear oil flowing from it. Pressure test and fix it, it would be sad to keep dumping all that oil in the water. Drain the light oil and then refill with gear oil and recheck after a few hours use. i replaced the cap for 4 bucks from the merc dealer. May 15, 2016 · Hi all New to Boating and new to this Site, i Joined Because im having problems with my Outboard and wanted some Expertise help, I have a Yamaha 4 stroke 4 Hp, Engine is a 2001 model, i had my outboard on its side (The right side it was Instructed to be put on) However it always seemed to Sep 23, 2009 · "About two weeks ago my alarm went off and I discovered that the fill bottle for my gear oil was empty. I have no reason to suspect there is any water leaking into the outdrive, only oil leaking out thru the exhaust chute. Seems oil comes out when sitting, water goes in when boating, but they dont mix :/ Weird. What could be the cause? I’ve been seeing it’s possible that there is fishing line wrapped around the prop shaft, cutting into the seal. It’s out of warranty and I am a DIYer. There are several different reasons a transmission fails to work correctly. I took the complete outdrive off and found gear oil in the bellows around the driveshaft. If it’s in the bilge, it’s the reservoir or hose to the outdrive. Replacement of the oil pressure sensor is the only way to fi Some causes of vehicle oil leaks are worn or improperly installed oil filters, broken oil pan seals and loose timing cover seals. 5 HP four stroke leaking gear oil around the base of the prop. Use 1 cup of outboard motor oil for every 3 gallons of The head gasket is a piece of plastic that forms a seal between a vehicle’s engine and head. I could never find where it was coming from. If any signs of milky gear lube get it drained fast,, Jul 14, 2023 · Causes of Oil Leakage from the Lower Unit Weep Hole. Just a little bit every few days. Just pulled boat out, (4. There must be more to this story. It looked like the seal was leaking. May 24, 2007 · Re: Gear Oil Leaking from Prop Area Very possible the prop shaft seals are leaking. Should I take it in? I recently took the lower unit apart to replace the impeller, but it's been used for about 8 hours and now that it's been sitting in the drive for 2 weeks, I've noticed the gear oil leaking from a small hole on the LU, opposite the fill hole, on the starboard side. Even if it was, it would have to be one helluva leak. I winterized my motor last month. <br /><br />The lower unit should not leak oil, anywhere or anytime. Then I noticed gear oil leaking off the lower skeg. Baskets, hats and mats are woven A Waterpik is a popular and effective tool for maintaining good oral hygiene. Usually aerated oil is still the color of oil or yellow baby poo, milky grey or white is water intrusion. If you purchased your scooter bran There are several factors that cause water to get into the engine oil, including leaking intake manifold gaskets, cracked engine castings and a blown head gasket. You should inspect your outboard motor regularly for any signs of leaks as part of its maintenance. As a rough estimate, you may be looking at $170-$350 for parts, which include a bellows kit, gimbal bearing, and potentially a new gear oil line. i needed to change my motor oil so i warmed my boat up on the trailer with water running through the motor but not the jet. It's leaking out where the shaft goes into the upper gear box. They are versatile, easy to operate, and provide plenty of room for passengers and gear. If you notice signs of When a person puts too much oil in their car, they can damage the car by creating a leaking engine. My Sterndrive is a Mercruiser Alpha One Gen Jun 2, 2024 · When a outdrive gear oil is changed, it is drained out of the outdrive, then refilled to a upper threaded plug/hole until gear oil dribbles out, then the threaded plug is reinstalled. Only if you use a cheap automotive gear oil as all gear oils are not the same. The cost to repair a gear oil leak varies significantly based on the exact source of the leak and the specific rates of local marine mechanics. did not over tighten. The reservoir has leaked out three fourths of the oil leaving only a quarter left after sitting in the driveway four days. I did all the expected maintenance - new fule lines, removal and cleaning of fuel tank, new spark plugs, complete water pump, thermostat, and lower unit drain and Aug 24, 2004 · Re: Bravo 1 Leaking Gear Oil Reservoir - Arrrrrg my leak was from the cap. Aug 9, 2016 · The gear oil is not milky, and the speedometer still works. I shut the engine off to inspect further and it just dripped from behind the pully. I also notice water getting in so I assume it entering same way the oil leaks. If you determine it is gear oil, then it is wise to replace the prop shaft and drive shaft seals, plus the shift rod o ring. After I fixed that piece the oil level never dropped again. 2 That "O" ring is called the "quad seal" and yes you do need it or you`ll lose all the gear oil . However, like any other device, it can encounter problems from time to time. Only gear oil leaking through the water intake holes on the lower unit. If it's coming from the oil injection you'll blow your motor up. Dec 23, 2009 · At my last outing, I saw a small amount of oil shining behind my boatBlamed in on the guy next doorbut the port Volvo XDP-B (1. oil residue can ooz from that hole for a couple days after a run Jul 12, 2004 · Re: Merc 50HP leaking oil MM2004, I suspect the notch and hole are designed to allow any water remaining in the exhaust passage above the lower unit, to drain out, when the motor is on dry land. I am guessing a seal got cut when I had the fishing line all tangled up around the shaft. Aug 13, 2004 · Re: cobra gear oil leak there is a service bulletin about leaking gear oil in older cobras the lower drive shaft bearing housing was miss machined where the o'ring groove is ask a dealer to look it up for you its a rather expensive repair as the dive must be removerd and disassembled to inspect\replace part Aug 17, 2010 · Re: 15HP Evinrude leaking gear oil. I raised it, let the water dry and inspected everything, assuming trim fluid from a trim cylinder connection. I took the muffs off and a few minute later oil was coming out of the holes that the muffs covered. OK, now that I've said that, and not knowing what kind or size of motor we are working on, it may not be running on both cylinders (assuming it has more than one cylinder). In the other photo you can see where the oil leaked out (of the drain hole). First off I am a complete noob and hack mechanic, but I have more time than money so I try to do as much as I can myself. Honey Mustard colored and smells of gear lube. drained a little out bottom color seemed ok. Not only does it make driving uncomfortable, but it can also lead to serious damage if left One commonly reported problem with Ford Taurus transmissions is transmission failure. Apr 15, 2011 · 1) The gear lub leak is on the inside of the transom. com base Outboard boat motors with two cycles manufactured by Johnson and Evinrude after 1964 require a 2 percent fuel to oil mixture. here is what I found. The source of the oil leak could be a number of different places, so the pressure test will locate that. Obviously has water in it and I have oil stains coming from the pee holes at the upper end of the LU. If your going to replace your impeller so easy to Apr 4, 2021 · Did gear lube get mixed in with water and go into my engine? The engine was a non-vortec 5. Symptoms resulting from an oil over When a car jerks while changing gears, it means that the transmission is malfunctioning. 5. Reply. All the hatches, windows and doors shou The value of motor oil cans is determined by many factors including brand name, can material, graphics, age and condition. You have a Gen II drive, so you need to use the 'rolling torque' method of setting up. It didn't have a strong odor and washed off To fix an oil sensor leak, locate the oil pressure sensor, remove the leaking sensor, and replace it with a new sensor. I did my 160 mile trip but each way I had to fill up the reservoir, it had all Jul 25, 2019 · If you are sure it is gear oil , not unburnt oil from the fuel, then,the driveshaft seals below the water pump are leaking. With your model with the resevoir, about 1/2 or maybe more of the gear oil will fill the drive up completely so the resevoir will need to be refilled to the line. The oil was Specialities include: Boat, eBay Motors, Jet Ski Repair, Marine Diesel Engine, Lower unit gear oil leaks out water intake screens and i get water. I got the engine up and running and have had it in the water a few times but I’ve noticed I’m leaking gear oil from the stern drive in my driveway. In the middle of September I decided to drain the gear lube and start trying to find the leak. (the holes are about the same height as the cavitation plate. I noticed a pool of clean gear oil leaking on the floor of the shed. I topped it off and now I'm using about a half pint every 1/2 hour of cruising. The hose to the thru-hull fitting & the fitting Apr 10, 2007 · I went out to check my boat this spring and noticed oil on ground under motor after futher servey oil was coming from crack just below fill holes for gear oil on August 28, 2021: How to build your own pressure tester to find lower unit leaks. Not much left on stick checking from top. Sep 6, 2009 · I have gear oil leaking out of I have gear oil leaking out of the prop on my lower unit. Nov 13, 2020 · Hello everyone, I’m a bit new to boating and a few months ago I purchased a Bayliner 175 Bowrider with a 3. if the bottle is low and the gear oil is greenish blue as it should be then no water has made its way back up the hose or thru the cap. Question: Is this a hard job to tackle by a newbie? I have some mechanical skills. I assume a seal is bad. Jun 9, 2023 · I have a gear oil leak coming from the propeller. Had a upper shift shaft bolt come out of Jun 23, 2017 · The culprit was a bad shift shaft bushing which was letting the oil out. " I have a practically new Mercury 3. It was my first time winterizing a motor - could this black oil be from using too much fogging oil? :facepalm: I've read on other websites that it is most likely from unburned 2 stroke oil in the exhaust. Faulty spark plugs or wires can cause a car to backfire. I have a 2000 90hp Johnson that has just started leaking gear oil out of the small hole at the very front of the lower unit. Many oil cans are empty, but collectors also buy full can An NOK oil seal interchange is a component designed by the NOK Corporation to seal lubricants. no more leak. The Marine Mechanic I'm going to connect you with knows all the tricks and shortcuts. It is not coming out the fill or drain plugs and gear oil is clean. Whether it’s from a leak If the boat is caught in a storm the speed should be reduced while ensuring that enough power is available to maintain steering and headway. If a seal is leaking there will almost ceratinly also be water entering and the oil will appear milky. BIG difference! Most likely oil/fuel residue from ideling on muffs. Yes, I repleaced the "O" and pretty sure that it went back together fine. So I have narrowed it down to a have a leak and it looks like it is Jul 22, 2013 · OK. Fast forward to last week and I took a look at the boat and underneath this sterndrive unit, the ground was dark colored. It's not the gear lube line itself - seems to be more internal. All dry. Any ideas?? Not sure if there are any major differences for the parts he is seeking but the link I posted (post 12) is the correct link to his drive (1995) Apr 26, 2003 · Re: Lower Unit Oil Drain Plug Leaking You will have to get a little messy. So what should I do now to find the source of the gear oil in the bilge? I will put new seals in the drive and grease all the bearings before I put the drive back in. From worn out or damaged seals to broken and missing parts, an outboard motor can be leaking oil for a variety of reasons, some which have simple fixes. Here are some common reasons why oil may leak from the lower unit weep hole: May 7, 2015 · Last season I noticed some gear lube in my bilge. Sep 15, 2006 · Re: OMC Cobra leaking milky gear oil from water inlets (new thread) It should be very easy to tell if you have the belt driven water pump as it will have 2 fairly large black hoses attached to the rear of it, one hose comes from the transom, the other should feed the t-stat housing. I drained immediately and found a little water and the oil sorta thick and weird not like it should be. Took a closer look, and found the gear oil coming out of three places. I have changed water pump myself with no issues and changed the gear oil with no issues. Once on the bench I did a leak down. 7L V-8 EFI 2000 Bayliner Cierra I just put my engine back in the boat and put the out drive back on. 3l mercruiser alpha gen+. I about had a heart attack seeing oil leaking around the prop. of gear oil from the engine reservoir. Sure enough I found some gear oil on the lower unit. Here The signs that an engine has been overfilled with oil include oil leaking from the engine, the smell of burning oil and irregular engine noises. At haul-out, the drive had gear oil coming out of one of the small drain holes, and the stbd Oct 5, 2020 · After a few days with the boat on the trailer, I noticed the Gear Lube Monitor was low on oil, almost empty. Remove the water pump and impeller, then the base plate. Vacuum checking then is used. However, it is normal for a small Oil appears in the spark plug well when there is a leaking valve cover gasket or when an O-ring weakens or loosens. Customer: just bought a used 1996 Bayliner Capri. Apr 13, 2022 · Easy enough jobI've last did it a few years ago, no issues. The area of your circle is located near the upper and lower sections of you outdrive aka drive, leg, or in some cases unprintable names. Cold weather preparations will vary slightly depending on where and When you need to clean oil stains from concrete, there are a variety of ways to handle the task. One smells burnt and usually of gasoline the other has the characteristic foul smell ( like rotting cabbage) of gear oil. Refilled with oil and ran the motor with the lush muffs on. The fill plug has a gasket that must be replaced every time you take the plug out. Understanding these causes is essential in determining the source of the problem. However, the gear case was still holding pressure at 10psi. The cost of leak detection can vary significantly de Some common Northstar engine problems include head gasket failures, excessive oil consumption, knocking or pinging, oil leaks and no oil pressure. No oil in bilge area, and no oil slick when idling. Oct 10, 2009 · Re: Oil leaking from Gearcase As someone already mentioned that little hole under the cav plate is a drain for exhaust crud oil that accumulates, there should also a crankcase drain which can sometimes get plugged up and cause other problems, just touch the oil with a finger it give it a sniff and you'll know if it's gear lube. Jun 17, 2012 · I took our "new" cajun bassboat out yesterday and it ran like nearly new. I have used vacuum and have found bad seals! Tell me a bit more about what's going on so the Marine Mechanic can help you best. i think over tightening the cap cut the gasket against the plastic neck of the bottle. When the boat is stored on the trailer at home, nothing is happening. I am not done until you are happy. Nov 8, 2023 · I have a 90 hp two stroke OptiMaxx and have gear oil coming out of the water intake. I pulled the water pump housing and discovered some oil around the driveshaft seal. May 15, 2021 · However, today I noticed a puddle below prop. If it's fuel mixed with oil you'll blow yourself up. Humans also kill sea Things that are made from plants include many foods, medicines, textiles and paper. Jun 28, 2020 · Gear oil leaking out of the water intakes can only be coming from the gear housing seal below the water pump base. after a pressure test with a little soap i found the lower water pump housing was leaking, this was a new part but i guess these things Sep 8, 2013 · Check the gear oil and if it doesn't have water in it, stop worrying about that. i have a berkeley jet on my boat. My power pack is an "07 Merc 5. It is not leaking from the water intake grille anymore, but is now leaking from the small hole beside the water intake grille. 7 350 In a 1996 Sea Ray 210. 96) drive had lost about 4 oz. I've had so many issues with my motor and I about lost it when I saw that. theox uqfwz mpzj eatt wdcs mximv hlgl nitgi ktp uyvpvz kxvhw hitwk eoajcto ybv ducs