Oil leaking at prop. He will also check the seals.

Oil leaking at prop A close inspection revealed a small piece of silicon that was loose and that is the source of the leak. Carb should be set correct , machanic adjusted it while he was fixing the rope start. Dec 1, 2004 · I have a small amount of oil leaking out of the bottom of my motor by the prop. You know what is causing the oil leak problem, either drain the tank or run it out. Tilt the motor up to look for any oil leaks from these plugs. Oil dripping from beneath the propeller is an indication of a leaking prop shaft seal in the lower unit. Coop 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. Dec 23, 2006 · Re: Evinrude Lower Unit oil leaking from propeller Oil from the exhaust shouldn't be that clean, and if it is you would definately notice the difference in how the engine would run. If oil leaks out when cool, it may suck in water once warmed up and cooled back down Had a brand new B3 drive and it started to leak so had it fixed. sort of looks like you have a combination of oil and water leaking out. If it leaks out the prop shaft seal, you might inspect for, and remove any fishing line behind the prop and test again. I know the exhaust exits from there as well, but I inspected the exterior seal around the propeller shaft after I trimmed up and cleaned it off it looks pretty dry rotted. Depending on the model of the prop and per the manufacturer’s instructions, you are allowed to see if the propeller will seal itself. It looks like the prop shaft is dry and clean. Feb 2, 2010 · Also the lower end oil would not be black if clean and with water it would be somewhat white. In this ca Mar 13, 2013 · Lower unit oil smells rotten and is generally thick has a distinct Smell. Take a look at the shift shaft and see if there is oil around it. It only will leak if I shift it into gear with the engine off sitting in the driveway. SECTION 2 - Procedure for Continued Operation of Leaking Propeller Continued operation of a leaking propeller is permitted following compliance with the Dec 17, 2011 · Re: Oil leaking from prop area That may well be lower unit oil-possibly a sign of a bad seal in the lower unit. Dec 30, 2024 · A common cause of oil leaking at the prop shaft is fishing line that wrapped around and slid past the seal. It is possible that one of the seals around the gearcase fill (or vent) plug may be bad-a really inexpensive fix. However, I did find an oil and water mixture sitting in a small pool, directly behind the prop in a cavity (see attached image). Sep 21, 2013 · Re: Leaking black oil behind the prop - 1982 johnson 90HP - J90TLCNB gear oil should not be black, more honey colored. There is another seal we haven't discussed that is to keep oil from getting into the hub. Jul 19, 2010 · That will mean draining the gear oil into a clear glass jar and allow time for water to separate from oil (that's if water has entered the gearcase). It's a 94 50hp oil injected johnson that hasn't been started since june 2010 but ran great at that time. no it is not bad to start the engine with this leak. Aug 24, 2008 · Hi there and thanks for the info I've gleaned from both of you already - I've just bought a boat with a 70 HP Tohatsu, 1988 M70A2 motor, which this morning (after a couple of weeks and 4 trips) had a new leak of gear oil dripping from the small hole just forward of the water intake on the lower leg (just above the propeller) I guess this hole Jun 1, 2010 · Re: oil leaking around prop Just wanted to say thank you all. NOLA26 Cadet. Noticed some water but I think it may have been left in lower end from last use. Since your prop is leaking, there is likely something amiss. Jun 9, 2023 · I have a gear oil leak coming from the propeller. Will. If you notice grease or oil leaking from around the propeller hub or streaks on the propeller blades, get it checked out by a certified prop shop right away. The theory about this was if something got cracked or loose, the red oil would leak out, and there would be a visible notification that something is amiss. Engine runs fine, oil pressure fine, but slow engine oil leak. . This happened to me on a 30 Johnson. You are also likely to find that the oil in your LU is a different color than what you are looking at. If the seals are pinched, then the prop will come off and the prop shop will reseal. Aug 25, 2008 #1 "I recently discovered oil lea Jun 24, 2010 · A friend has a 2006 Campion Chase with a Mercruiser 5. Recently purchased the boat (pontoon) and motor from a marine shop (consignment) and have taken it out a few times. I recently changed out my water pump and was going to remove my prop and get it repaired because I hit a stump and knocked a small piece out of it. If its a very small leak it may be just fine, but the drive cost quite a bit If it has Merc HP lube and leaks I would suggest getting it fixed. The engine has done in total no more than 80 hours since new. Sep 4, 2012 · Re: leaking oil from what appears to be the prop I have an idea of what is causing the leak. Probably best to have it checked. Check all zerks to ensure the ball is properly seated. <br /><br />Mr. It takes the better part of a couple of hours before it affects visibility. It was coming out from the center of the prop behind the nut. I would pull the prop and clean the area up with solvent and observe it for a day or two. I lowered my drive today as I was about to change gear lube and noticed gear lube leaking from the prop shaft housing. your exhaust exits prop a little oil leaking out inside prop not a big deal. The first place to look is the output seals, which are found behind the propeller. It would not be surprising to have a leak someplace under the cowel (follow the oil lines around) so it finding a way to drip down the outside of the engine (considering how clean Opti's Dec 16, 2013 · The grease in a Hartzell is AeroShell 6 which is a tan color. May 6, 2002 · Re: 70hp Yamaha oil leak at prop Thanks Frank, the lower unit oil looked fine, no milky color or anything. Check your lower unit oil and see if water got in. When I removed the Leg last week, it wasn't leaking. If no oil in the bellows, drain the gear lube and do a pressure check on the drive. I have been out with the motor about 5 times, and changed the oil in the lower unit a few times because Aug 6, 2007 · Re: 25 HP Evinrude Leaking Oil Around Prop A small puddle is nothing. Too much gear oil can cause pressure that will push gear oil out through the seals. Jun 18, 2004 · Ok, You super wrench'sI need help, and a cure for my 1974 70hp JohnsonI have a oil leak coming out down by the prop. Could someone please help me out here so i can get my boat back on the water. I had oil running out but no water intrusion. It's lower unit oil and its milky,indicating water is getting into the lower unit. Nov 27, 2016 · It leaks just enough to run down the prop and then mists back to the windscreen. After I put about 5 hours on the new engine, I took it back to my mechanic. Just wonderin Jan 27, 2011 · I noticed some oil leaking from the area where the prop attaches to the lower unit. Jan 29, 2008 · As he stated, the oil was “very clean, like new. This is one of those places where more isn't better. I about had a heart attack seeing oil leaking around the prop. Apr 15, 2012 · The bore of the gearcase can become corroded though, and allow oil past the O-ring seal, which I have experienced, but repaired by aluminium filled epoxy and using a slightly thicker O-ring, but that is a "bodgie" fix. Especially if you were idling it all day. Next the fishing line check as Fishkisser already mentioned. DCS30 Cadet. OIL LEAK PROP 1986 75 HP MERC. Because output shaft oil seals are exposed and prone to damage, you should replace them immediately if they’re leaking or worn out. 9 outboard 2 stroke and there is oil leaking from the little hole directly above the prop on the right hand side. In the test barrel it's magnified. After spending a day on the river and pulling it out, I have noticed a very small amount of oil that is on the bottom of the cowling. Aug 11, 2006 · Re: Black liquid leaking from prop When i try to start my boat there is a black liquid leaking from the prop that smells like gas and fuel leaking from the outobard. Just make sure your lower unit oil is topped up. could be 2 stroke from the exhaust. FYI- there is a seal remover that doesn't require disassembly, but if you have water in the gearcase and this isn't a new problem, disassembly & inspection would be a good idea. Outboard Lower Unit Rebuild Cost. The bubbles will tell you where the leak is. He will also check the seals. Dec 5, 2014 · There should be some signs of oil leaking at the prop seal if leaking. Then decide to sell or upgrade the boat. Jan 25, 2010 · Re: oil leak from prop hub Two types of leaks, neither one's good in the long run. tinman New member. This seems to be what sir Vic is saying. It slides with the piston contained therein and could be worn. It was definately leaking engine oil i know because it ran out 2 times in a row out at sea . Assuming you are sure it's engine oil and not gear lube, #1 be sure it's actually coming out of the prop and not leaking down the side of the exhaust housing. Pull the top plug and put a tie wrap down the hole and check the oil level. Then I noticed gear oil leaking off the lower skeg. From where it appeares to be leaking, I'm fairly confident that you need a new propshaft oil seal in your carrier bearing assembly. The prop shop told me that is the usual cause of grease being slung out. Sep 23, 2016 · The bottom is very light residue but the oil leak I am reffering to is in pic3. Feb 5, 2005 · Greetings :cool: I have a 05 150 four stroke on my NorthRiver Seahawk. Two strokes do this. It is not really noticable at the ramp but when I get home and lift the motor all the way Aug 17, 2020 · These typically have pretty good seals throughout the lower units. Jul 14, 2007 · 1992 Merc 4cyl 40 hp has an oi 1992 Merc 4cyl 40 hp has an oil drip out of the prop hub. Thread starter DCS30; Start date May 15, 2023; D. This one is easy, if engine oil is leaking, the propeller needs to come off and be inspected by a prop shop. Oct 24, 2022 · #1: Grease or oil leaks. As was mentioned, unburned residue from the exhaust is frequently mistaken for a lube leak, especially on older 2-strokes. Remove the lower drain/fill screw from the lower unit if water comes out you have a leak if no water comes out it is fine. My 5 year old Tohatsu 6hp 4 stroke outboard has developed an oil leak seeping through the propeller, which indicates that the seal by the prop shaft is leaking, hence need replacement. Mar 24, 2012 · I own a T182T and the CS Prop is leaking a little amount of oil somewhere near where the blades rotate. May 11, 2011 · I lowered the motor to fit the boat in my garage and noticed a real thick oil leaking out of the prop area. I have owned the boat for 18 months and this is the first sight. This oil is coming out down near the prop, in between the prop and housing meet and running down the very bottom fin. I have a 99 130 2 stroke and I put the muffs on and tried to crank the engine before I went out. Oil is running out, but we can't see where. Is this possibly an easy fix for someone with If this is where the oil is coming from, a likely source could be the shift mechanism seal (part 64). check levels and change lower unit oil then keep Jun 4, 2023 · When it comes to outboard motors, the phrase “out of sight, out of mind” can often apply. Jul 16, 2007 · The twin may even go into an uncommanded feather. Didn't see anything leak until I lowered the engine. May 15, 2023 · Oil leaking from prop assembly. When I bought it I transported it home in the bed of my truck but I can't Engine oil leaks caused from mounting the O ring or crank shaft seal are often blamed on the propeller. If you have water getting in after 3 or 4 days, the leak is considerable. 2-strokes will often times "leak" unspent fuel and oil out the prop hub, and look like an oil leak when it is not. Its hard to see as the leak comes from the join between the prop and the leg and trickles down along the edge of the fin (under the prop). Aug 29, 2023 · The black oil seems to be leaking out between where the prop is attached to the outboard leg. Oil leaks look big after spread out on floor. Mercury 40HP 2-Stroke Prop Shaft Seals Replacement. <br /><br />Remove the prop and see if the shaft wobbles. Have removed gearbox, how. Greased up the shaft and put it back together. Aug 17, 2007 · This area is always going to be greasy from the prop shaft lube, but if you see anything that looks like 90-weight gear lube, a seal could be leaking. 2K views 14 replies 12 participants last post by fishsmart Jul 22, 2010 Jan 3, 2008 · The red oil mod put a pipe plug into the hub, and they filled it with red oil. Ps I have tried unplugging the fuel line and running the engine until is stops. I'll call or email you. Jul 1, 2015 · There was a little oil behind the prop, but I figured it was left over from earlier. That's typically from the prop shaft seal. Makes you think the prop shaft seals are leaking. This last two times I trimmed down in the parking lot, I noticed motor oil drip from the prop Sep 8, 2011 · Re: Leaking Gear OIl from Prop Upper drain holes in the lower unit are draining unburnt oil and gas from the engine. See full list on boatingsaga. They're commonly damaged when fishing line gets wrapped around the prop shaft, and the seal can be inspected by removing the prop. 2004 BF150 Leaking lower unit oil out of prop shaft. It is unburned two stroke oil and fuel, but I consider it to be a sign that there is incomplete combustion somewhere. Mar 18, 2010 · Re: 1977 Johnson 9. Thread starter miki425; Start date Oct 22, 2009; M. 9 lower unit oil leaking out prop. Pressurize it to about 15psi and spray every connection with soapy water. I think you probably have thru-hub exhaust and you are seeing the results of oil and fuel dripping down the walls of the exhaust through the hub. This condition means oil is leaking around the internal piston and is filling the hub cavity. So it’s important to replace bad seals immediately. Feb 14, 2014 · Prop Nut Kits & Hardware; Boat Cabin Hardware Bravo 3 gear oil leak Part # 8M2013914: Item number 1, Tools May 19, 2008 · It could also be unburned two-stroke oil. The 1/4 inch play in the prop was gone, and the I could easily get the new cotter pin in. . After it fills with oil it will start to force the grease/oil mixture out the blade seals. Jul 8, 2009 · Re: gear oil leaking from prop area, HARD FIX???? That's a good point. If you didn't run the motor in the water check the amount of oil in lower unit. if it is gear oil it needs changed, also 50 to 1 is the correct mix and 40 to 1 is rich and could explain the build up in the exhaust I have oil leaking from the propeller from 25HP Mercury engine, I guess the seal is leaking. The input shaft seal is a common place for leaks. Apr 29, 2020 · Prop Nut Kits & Hardware; Boat Cabin Hardware 150 Mercury Oil Seal Leak. Oct 22, 2009 #1 "Hello - I love this site Apr 19, 2012 · A common boating mishap is getting fishing line wrapped around the prop shaft behind the propeller of an outboard or sterndrive. This problem can come from several sources. In one case, the lube leaks out. If it looks clean and no oil residue, then it probably is one of your upper seals leaking. " Tohatsu Oil leak out of prop. com Jul 1, 2009 · Gday guys, I flushed my boat the other day after not running it for about 5 weeks. Oct 4, 2006 · All dry. When I went to remove it I got the prop nut off fine but was not Dec 22, 2014 · It is most definitely engine oil. Feb 20, 2013 · Re: 1986 9. You can rebuild the unit or purchase Nov 16, 2009 · Sorry There Dutch , The oil would leak between trips from the Yes water vent and also from a small hole in the leg just behind the electrode . Aug 29, 2023 Aug 9, 2011 · I recently bought a 2003 Mercury 9. There is something important to understand: There should be no engine oil in the prop hub, only grease. Simple fix. Need an idea of like problem and fix/cost. Jun 18, 2018 · The McCauley prop hub will fill with oil if the seal on the pitch change piston starts to leak. Best test is to check the LU oil and see if it is full, and whether it has water in it or not. Jul 28, 2010 · Re: Drive oil leak at prop The shop has mine apart now. Could the prop being loose like that cause an oil leak? The "leaking" oil is normal on a 2 stroke. This is because too much oil is leaking from the excessive clearance of the transfer system. I’m having a problem with a small oil leak on my brand new factory reman O-360A1F6 on my Cardinal. While I was cranking it my May 22, 2010 · There are o-rings between the lower unit and the upper part of the drive. I found the shift shaft seal is leaking and just happens to be coming out the weep hole. After a few trips, the drive lube reservoir is empty. Thread starter cfoster; Start date Oct 28, 2009; C. The lack of an O-Ring could explain the water getting Milky lower unit oil means you have water in the oil, which means you've lost a seal somewhere. Lately I have been seeing o-ring leaks on shift shafts. The only visible proof is a light splatter on each propeller within the first 12 inches then mostly visible on the hood and windshield of the airplane. The cowl normally is free from any sign of the oil. Leaking Oil From the Propeller Shaft; If you notice oil leaking from the propeller shaft, it’s a sign that the seals in the lower unit are damaged. If you have done extended idling, oil will build up in the exhaust tube and leak out around prop. Also, make sure to dispose of the oil properly. Sep 24, 2010 · Re: Oil Coming Out Prop !! W/Photo !! PLEASE HELP I don't think you are going to correct both problems at the same time. The oil is NOT coming from the crankcase-gearbox junction. 9 Johnson gas/oil leaking from prop exhaust Fuel pump is new and its not leaking fuel. They say that the thrust hub was seized and scored the shaft a bit. My Sterndrive is a Mercruiser Alpha One Gen Aug 26, 2010 · Re: Merc 25hp outboard leaking oil from propeller Thanks, I did not know that oil mixed with the gas would not burn completely and no idea it could accumulate like this. Replacing the output or prop shaft seals in a Mercury outboard requires more than a few steps, but otherwise it’s not that difficult of a job. A&P thinks the grease may have broken down some and the resulting oil (from the prop grease?) is leaking past the seals He's going to service (regrease). So I unscrewed the drain / fill screw and the gear oil was milky white. I’ts been leaking since the first flight (I noticed some speckling on my windscreen). The engine itself is clean, not oil leaking from bottom of cowling. It has a new Thermostate, lower seals, I am thinking it is leaking from the oil pan someplace under the engine and subsequently dripping down the shaft housing and out the exhaust through the prop Posted using Outdoor Hub Campfire Nov 9, 2012 · Interesting discussion. I also noticed the drain/fill screw had no o-ring. Personally, I would investigate the ignition system, look for hot spark, look for the possibility of a dropped cylinder, look for an extra rich cylinder, etc. Left unattended, the line will melt into a solid blob and can cut into the seals around the shaft, allowing water to leak in and gear lube to leak out. If they are leaking the oil runs down through the exhaust port and out the props. Oil coming out of the prop is generally from the exhaust and it is very easy to confuse it with lower unit Mar 12, 2012 · Re: Water in outdrive gear oil, now leaking from prop hub?? You test with about 15 psi of air. However, before commencing any work, I suggest you consider the following: Sometimes engine exhaust and two stroke oil residue dripping down from the exhaust stack inside the column, can cause you to believe the gearbox seal is leaking. I recently changed the gear case oil and the oil leaking was burnt and ugly so I'm pretty sure its not gear oil. May 15, 2023 #1 Hi all. As you run your motor, the lower unit oil gets hot, cooled by the transfer of heat to the case in the water. It was just a few drips but I have not seen it before. Thread starter tinman; Start date Aug 25, 2008; T. You would try to find the source of the leak and correct it as soon as possible. Send it to a prop shop, and have them check it out. will_tort New member. I went to put it back on yesterday, and noticed it was pissing oil everywhere by the prop. I'm working on Jun 10, 2009 · Re: Lower Unit Oil Leaking from Propeller shaft Yeah I am sure it's the oil. It drips like this year round. Black oil is most likely coming from an internal leak in the motor that is getting into the exhaust side of the motor. No boating for you until it is fixed though, as it will pollute the water. Jun 15, 2009 #1 "I have a 2008 yam 70 hp 2 str Feb 4, 2012 · Re: Black oil leaking from behind prop? I have to disagree. especially running at lower speeds. Jul 20, 2010 · Oil leaking from prop hub? Jump to Latest 6. Thread starter NOLA26; Start date Apr 29, 2020; N. cfoster New member. 6. If you have oil coming into the water, chances are there is also water in the outdrive oil. Apr 8, 2006 · Re: OMC outdrive leaking oil from the prop shaft Thanks KaGee. You would know if your prop had this conversion done. Jul 28, 2022 · This sign is mainly caused by a damaged shift shaft, but it can also be caused by a number of other things, such as a broken propeller shaft or a failed water pump. Aug 9, 2008 · Re: '04 Yamaha 225 4-stroke Oil/ Fuel Leaking From Motor Re: '04 Yamaha 225 4-stroke Oil/ Fuel Leaking From Motor The slick wasn't caused by a fuel leak after all, nor was it lower unit or power trim/tilt related. Wipe it down and check for leaks. The hard start problem could be carb problem, needle and seat not shutting of the fuel when the engine is shut down. I think it's going to be hard to pinpoint without removing the prop. If the seals haven't been replaced, they probably need to be. Many boat owners pay little attention to the lower unit of their outboard motor until there’s a problem – and one such problem is an oil leak from the weep hole. It appears to be gear case oil but based upon what you said it should be blue. I also see signs of oil on the blade itself in that picture. Smell it. motor oil would be blacker and would be normal as a little could easily blow by and end up in exhaust. Apr 8, 2016 · Immediately send the propeller to a McCauley authorized propeller service facility. I've had so many issues with my motor and I about lost it when I saw that. The exhaust chamber, center housing can accumulate old exhaust debris. Some smoke came out when i first started it and everything was ok. How long has the oil been leaking from the propeller exhaust? Customer: Just got the outboard Aug 5, 2012 · Hi experts, I have a 2000 Merc OB 90HP ELPT Serial on the sticker says 0T067768. On the system with bearing transfer, either a standard bearing on an undersized crank or bearing galling causes the clearance to increase and thereby leak oil. This small hole, located at the bottom … Oil Leaking from Lower Unit Weep Hole: Causes, Solutions & Prevention Read More » Oil leaking from prop. They think they can re set the seals slightly deeper on the shaft to avoid the damaged area which would avoid replacing the shaft etc. If there is any spilled oil in your area, you need to clean it up. The rest of the prop is dry as a Customer: Notice engine oil dripping off the engine skeg. It appears to be coming from the oil seal in the prop shaft at the opposite end of the prop (see picture) altough it is difficult to say because ot only happens at high RPM and the leak is small. miki425 New member. As it slowly slithers it's way down the housing you notice a "leak" - nothing to worry about. Second issue, lack of power, is most probably due to the motor being unused for a while. If leaking has stopped, proceed to Section 3 for instructions on servicing hub oil level. Other signs of trouble might be a little dribble of lube on the ground below the gear case when the boat is parked for awhile, or any signs of oil in the water around the motor. Aug 5, 2002 · Re: BLACK OIL dripping from prop! Make sure your not looking at unburned oil. I mixed it 50-1. <br /><br />One more thing that I have to embarassingly disclose: When my manifolds/cylinder heads went at the end of the season, I never got a chance to start the motor. ” This would be in contrast to the black oil leaking down the skeg, a fairly good indicator that the oil in question did not come out of the Jul 13, 2015 · Immediately send the propeller to a McCauley authorized propeller service facility. Pull the lower plug and take a sample, if you're concerned. So thanks again. Mechanic's Assistant chat. Remove the prop and pressure test (via the top oil fill hole) and you'll quickly see any oil leak. The same goes for the carubretors. Then that night i looked at the engine and I could see black oil leaking from the back of the prop where it is attached to the shaft. It's a bad crankshaft seal. Oct 28, 2009 #1 "I have a 85 M30a2 which we ju May 4, 2012 · I've got an Alpha one Gen 2 and mine has a very small leak out the weep hole. Pull the prop off and most likely you will find fishing line wrapped around the prop shaft. It's black but a funny black though, like carbon in it maybe, I hope it's just from the 2 stroke oil running out through Mar 26, 2022 · The leak may stop, but may not. Then, worry about where the leak is if you find one. Engine Oil. The oil is black, and takes a few days to leak down to that point. It only leaks a few drops after the motor has run and then stops. The simplest situation I have seen is a water cooled oil cooler leaking oil in with water that is getting exhausted out the prop. Customer: Oil is leaking out of the propeller exhaust, seems to run fine Yamaha Mechanic's Assistant: Im sorry to hear about the oil leak from your propeller exhaust, but our Marine Mechanic will be able to help you diagnose and resolve this issue. it was leaking oil out around the prop it smelled like leg oil so I reseal ed the bottom end at the beginning of the year it lasted about half way through the season and started leaking again only the leg oil was right up, after further investigation I found it to be engine oil the motor has been hanging on the boat all year only tilted up for It is most likely engine oil dripping from the exhaust. I would be checking the prop shaft seal . The exhaust, which contains both burnt/unburnt oil and gas, goes right out the prop. Does it smell like gear oil? Remove vent plug and see if the oil level is full in the lower unit. 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. Unexpected grease or oil leaks are often warning signs that the seals within the propeller hub have finally given way, or even that the hub itself is getting ready "The seal on the Prop Shaft is "The seal on the Prop Shaft is certainly a likely cause. 0 MPI/Alpha One, approx 100 hours. Feb 21, 2014 · Last fall I noticed that my motor was leaking oil. Leaks in the LU usually go both ways - oil leaks out, water leaks in. It's not gear case oil, it's the clean engine oil changed when boat went into Winter Storage. Question: Is this a hard job to tackle by a newbie? I have some mechanical skills. Mar 30, 2013 · Oil leaking from prop 03-30-2013, 03:23 PM Got a 2001 Johnson 15 hp, and just today I started seeing some muddy looking oil dripping from the prop after I ran the motor for a couple of minutes. If you have a bad outboard lower unit, you have several options. Hope it works, much cheaper fix. That is why I think I will have to send all the engine. If you see gear lube leaking out of the lower unit, it could be caused by a cracked housing, damaged gears, and broken seals or gaskets, among other things. Thanks again for your reply. Joined May 9, 2021 Messages 28. You should not see any red oil leaking from a Hartzell prop unless it has the oil fill conversion using HC-SB-61-269 as an AMOC to AD 2009-22-03 or AD 2006-18-15. Aside from visible damage and gear oil leaks, other signs of lower unit damage include crunching or grinding noises, and a bent or broken propeller. I suppose my last tank of gas I must have put too much oil in. Leaking oil seals at the prop shaft means oil is escaping from the outboard’s lower unit, and is also a sign that water is getting into it, so replacing those seals is a high priority. Jul 9, 2007 · If you suspect that lube is leaking out, and no water is leaking in, the definitive test is to pressurize the lower unit with air, submerge it in a tub of water, and look for bubbles. Tightened the nut down to 50 ft/lbs and it made a big difference. Nothing to worry about. - no success. I'm assuming it's a seal. Jun 7, 2011 · Re: Volvo Penta SX outdrive Leaking Oil Pull the outdrive, and check the bellows for oil. My bet is its just unburned oil, But check it. Thread starter will_tort; Start date Jun 15, 2009; W. agree with the oil problem,follow the small hose to wher it connects to the engine and remove it,squirt hosewater thru the pee tube,if its clear,then get a small wire and try to clean out the port the hose connects to. It has not been fogged. If red dye is evident, the propeller must be removed from service and sent for repair. Thank you very much! Dec 11, 2020 · Stave is probably right. If leaking has not stopped, proceed to Section 2 for procedures allowing continued operation. Looking inside the propeller, I could see some wetness So I took off the propeller and anode. I went ahead and replaced the lower end oil and winterized it, and havn't checked it since but it seemed to only leak after I ran it. I had my shop take a look at it a couple times and I am told to just keep an eye on it. Again, the best way to find out is to carry a pressure/vacuum test. However, the manual does not mention anything about a seal or oil leaking through the propeller. you can also try shooting a gardn hose into the pee hose to reverse flush Jun 16, 2007 · Oil leak from prop 06-16-2007, 02:19 PM. vjqzf ixfoq oozs lqryptn psiczhz yuh ayxvcq krgabmx jhxn vvq fhwevgtie pgmyx felmu qyd gmldo