Oil Leaking From Lower Unit Weep Hole

At first I thought that the lower unit had cracked. Strainer, inlet valve or suction line may be clogged. Dealer says oil seal is bad. Oil/Water Pump Rebuild - 1996 K1100LT Short Story - blew a hose, replaced hoses, found gunk in coolant, deduced it was oil. The idea is that if the upper seal leaks, coolant will leak out of the hole. I had the lower unit replaced last year and was thinking maybe they nicked the driveshaft seal. Get the best deal for Johnson 10-49 HP Engine Complete Outboard Lower Units from the largest online selection at eBay. Oil Separator Installation. Using a big hammer, pound on this Vise Grip trying to drive it out of the splines in the crankshaft. HVAC Troubleshooting: Why Your Indoor AC Unit is Leaking. Fuel flows into the cylinder head and the unit injector pump cylinder. Most water pumps have a weep hole that drips when the seals fail. Also do you think it would be wise to drill a small hole at the bottom of the lower timing belt cover as a weep hole. There is oil leaking out of a small hole in the side of the lower unit just in front of - Answered by a verified Marine Mechanic We use cookies to give you the best possible experience on our website. Pressure testing a lower unit is best performed by an authorized Yamaha Marine dealer, because depending on findings, it may be necessary to disassemble the lower unit for further inspection. Oil Leak From Weep hole 2002 Yamaha 225 4 stroke 02-21-2016, 10:40 AM Walked out this morning and noticed oil leaking out of the weep hole just above the lower unit exhaust portthen tilted the motor up and it was pouring outany ideas what would cause this?. As for the weep hole, which was the demise of my pump at 160,000 miles( it was plugged and the oil got into the motor, I inspect it off and on to see if there is dirt or oil, and take a long wooden q tip and use the wood end to clean it out. Usually, for leaks like this the only warning sign that you will have is a lower than normal oil level. The suction hose may be too long, causing excessive friction loss and reducing pump capacity. anyway my V6 rodeo keeps boiling over and/or runs hot. Oil leaking from the weep hole in the front of the case is most likely a worn shift shaft seal. It should be light to medium brown in color, and at least translucent. SUBARU Valve cover gaskets oil leak. the fluid leaking is light brown (gear lube) this indi-cates that the Power Transfer Unit input seal should be replaced. I ran the motor with muffs for a few minutes and noticed water pissing from the weep hole, this cannot be good. does it matter that my mechanic filled it with. for less than ten bucks you can but a simple device that lets you pump. After the oil is completely drained, screw the oil pump adapter fitting to the lower drain hole, connect the Quart Pump which you've placed onto your quart of gear oil, and fill the lower unit. The causes of cylinder head oil leaks, stretched studs, leaky gaskets and a number of recommendations for various sticky products to help with these problems Halite head gaskets and torqueing up. Another source could be alternator o ring or gear shifter seal. This oil looks like honey, except some of the newer oils which might be blue or green. engine and run out the weep hole, which is located at the back of the block. Is there a mysterious puddle of water on your laundry room floor? If your washing machine is leaking, the culprit could be old hoses, a leaky pump or oversudsing. Another problem for the mk3 and mk4 TDI is leaking oil out of the EGR weep hole. There have been a number of bulletins about water pumps. I got the car with certified used warranty from a local Toyota dealer which it will expire in couple of months. It has about 500 hours on the engine and it has been well maintained. I doubt it's a problem. Before I tear it apart, what would you think would be leaking inside there and what would I need to get to repair it. Depending on where it's leaking from the oil cooler assembly (driver side rear of the motor) has oil/coolant close to each other, the other as stated above is the water pump weep hole cause the front engine cover has oil and coolant close to each other and only a shaft seal between them. The idea is that if the upper seal leaks, coolant will leak out of the hole. 1978 Evinrude 9. The gear oil has a distinctive odor to it, it smells like gear oil in a rear axle on a vehicle, very sulphur smelling. These gaskets seal the valves covers against the mating surface cylinder head. The water pump weep hole is next to the lower bolt for that housing. 1 twin turbo. The engine and the transmission who started leaking a bit oil into the belt box are still in good shape and the weep-hole leak did fix itself. But the oil wasn't leaking from the engine. Check if it's dripping from the valve cover. never noticed it leaking before i had the outdrive oil changed. They're an external oil and/or coolant leak. Adjust water flow (if necessary) so excess water continues leaking out from around the rubber cups to ensure the engine is receiving an adequate supply of cooling water. 5 L Interim Tier 4 and Stage III B Engines Diesel Engine Oil—Tractors With 13. I've read about oil leak from the plug or coolant leak from the weep hole. The EGR has a diaphragm inside that moves on a shaft. If I accidentally got too much oil in the gas, it would smoke, but also dump some oil thru the exhaust. Re-ordered parts and now going to give it a second try. Could it be a weep hole? The lower unit housing has four holes in the front of it directly in front of the prop shaft that water pours out of when I flush the motor. I completely believe that it is residual fogging oil running down the lower unit and out the holes. Oil Leak in outboard motor I have a 2003 Suzuki 140 4 stroke and I've kept up with the maintence and have never had a problem until today. If fluid leak is detected from either weep hole, seal replacement is necessary. GM joined forces with Isuzu in 2001 to release the first 6. ahhh,the good old pump rubanother one of gm's design flaw's. I have a '96 F-150 I-6. Leaking oil, however, could be a sign that something is seriously wrong with your car's engine. I was at a drive thru and heard the engine sound change. The oil dripping from the lower unit where the exhaust comes out is a new issue. See our lemon odds and nada odds page to see vehicles with no repairs or vehicles with more than three repairs. When it has been tilted up, there is oil leaking out of it. If it doesn't leak anymore take it out on the water for a spin. Here you will also find your water pump/impeller. 5's there is a weep hole,but on the 3. hall is correct ! The hole in the side of the head is a water drain for the spark plug area , there should be no oil in it , if your getting oil , then it has to be coming from the valve cover SEAL that is for the Spark Plug Tube , on the inside of the valve cover there should be a seal where the spark plug tube goes into , that would be where the leak is ,allowing oil to weep into the drain. The area inside the drive where the water pump is fills with water, that hole is just a drain. Check the lower unit oil and if water is present Drain the lower unit. They bought out Outboard Marine some time ago. the coolant was nice and green when I drained the radiator and it flushed nicely. If the insulating glass unit of the skylight has failed, you can seal the unit against further water leakage, but only replacing the unit will remove condensation, opaque skylight glass, and a failed window unit. Here is a pic showing the small hole the oil is leaking from on the bottom of the pic. Its a 4 hp evinrude from 1996/1997. Once you know it is full, and you have cleaned everything up, see if it leaks anymore. The oil dripping from the lower unit where the exhaust comes out is a new issue. If, you suspect it lower unit lube. Oil Leak Causes and How To Fix Them. There is fluid leaking out of the small hole in the bottom of the pump body. 2) It's water, which could be seeping from the head studs (IF you have head "studs"). When the water pump seal fails it allows a leak from the pump's weep hole which is seen in the image below. not water in oil. Washing machine leak repairs: This article describes the causes, diagnosis & repair of oil leaks at washing machines. If you have water leaking into the boat, be glad you noticed it! The drive should be immediatly removed as to stop any more damage and repair the leak. The oil is black and has an exhaust smell to it. This will help to determine in the future if the new gasket is still leaking, or if a new leak develops. The 1999 Jimmy in this article had been leaking oil for several years. They are above the lower unit--not vents for the lower unit. In the picture below I just took today, I ran it in the driveway yesterday and it sat over night and this is what leaked out. To pressure test the lower unit once removed you would need to come up with a block off plate for the lube transfer tube that's built into the outer wall. We have had 7 of these before this one and never had an oil leak. When the water pump seal fails it allows a leak from the pump's weep hole which is seen in the image below. Find the information you are looking for in faqs, tips, and more. Remove the upper water pump cover so you can see the seal, pump about 10psi into the lower and look for the leak. Oil Leak in outboard motor I have a 2003 Suzuki 140 4 stroke and I've kept up with the maintence and have never had a problem until today. if you are leaking oil from the weep hole than more than likley you have a lieaking rear main seal. After your first trip running it pop the fill cap to realease the pressure build up. Replace the water pump and 2. The first is if coolant is leaking around the water pump. Check our selection of automotive parts with the support you need!. A common problem with pipes is corrosion. Silicone between the Motor and the top of the Gear Pump. Together, they cited 6 references. If it's leaking from the very end, you're on borrowed time. Ordinary drivers morph into paparazzi, turning their digital cameras and video recorders on to film your every move as you drive by with the top down. engine and run out the weep hole, which is located at the back of the block. After you put it up, the water evaporates, leaving the oil to run down and out the weep holes and the exhaust hub. I took the E-TEC in to my dealer and asked that the o. If u take the lower unit off and bring it to a shop it would cost about 1 hour to reseal the LU, pressure test it, fill it with gear lube and replace the drain plug gasketsI would say 40 to 60 for seals, 10 for gear lube and 4 for drain plug gasketsand whatever the shop charges for an hour of labor. I noticed a greenish colored oil leak coming from the fuel pump portion of the unit. Some of the first patented oil stop leak products were basically castor oil containing ground nut shells. I doubt it's a problem. But the reason why the high pressure pump or other valley oil leak looks like a rear main seal is because there is an oil drain hole in the rear of the engine valley. You may have to register before you can post: click the register link above to proceed. Thanks for the info. Lessons learned for left wing skins. There may be too much clearance between the impeller and the volute due to wear. It used to be their daily driver, and while it has some minor/normal interior wear and tear, it’s in excellent shape overall. Before taking your 115 HP outboard engine in for service, there are a few basic troubleshooting steps you can do on your own. Our technicians tell us that the engine must be removed from the vehicle to properly repair this oil leak. then you definately need to plug the hole. The top may leak where it fastens to the body, usually this is a very faint weeping, leaving stains, and no liquid fuel is seen. Here you will also find your water pump/impeller. I got down to find the main "weep hole" under the transmission leaking with a steady stream and the 2nd "weep hole" just under the end of the engine where it bolts to the transmission leaking in droplets about once a second. Nothing is leaking out of the tailpipe. Verify that there is no leak up top. Since the water pump is internal, the leaking coolant mixes with the engine oil and causing instant sludge. Find best value and selection for your. Shop 2-stroke, 4-stroke, gearcase & fogging oils for every size engine we make no matter the brand or model. pulled the small inspection plate on top and found oil on the bottom of the plate, so it got there while running the engine. Best check first that the oil IN the gear housing is O. Have a lower rate based on brand, price, description, and location Car and drive to work through your attorney Also coverage limits, lowered my rates got jacked Him in the local market, includes car thefts, accidents, repairs, technical problems and only answer Important thing is to compare requirements state to state. The hole in the head for one or two (forget) of the studs opens up into an oil galley. HVAC Troubleshooting: Why Your Indoor AC Unit is Leaking. Get the best deal for Johnson 10-49 HP Engine Complete Outboard Lower Units from the largest online selection at eBay. The little tube where the oil looks like it is leaking from is about two or three inches above those holes. Chrysler Honda Johnson Evinrude Mercury Suzuki Tohatsu Yamaha. Fluid Leaks Although oil is one of the main fluids in the engine compartment, there are several other types of fluid that can be mistaken for an. Click on Shop Parts, or select the kind of product you're working with on the left and we'll help you find the right part. The engine may develop an oil leak from the lower crankcase portion of the engine block. The oring on the pipe gets compressed against the lower timing cover. Were else could the leak be coming from?. You may need to drop the lower unit and inspect. So hopefully the lower unit is not damaged and I can figure out how to fix the leak and change the lower unit oil. If water drains through exterior weep holes or crevice, system is clear. Before taking your 115 HP outboard engine in for service, there are a few basic troubleshooting steps you can do on your own. But I am still concerned about the looseness of the nipple that goes into the casting. Like you said Joe, the pressure pushed the seals into place. This is where the gear lube is leaking out from. I noticed that over the winter theres oil leaking out of the starboard weep hole almost drained resivor completely. I have a 1995 Searay with twin Mercruiser 454's. [Archive] Discuss any issues that you have had with your Chevy SS, whether they were covered under warranty, what your dealer did to fix them, and how things have gone post-service. Your power piston seal is leaking. com is leading the net in hard to find, new and used auto lift parts and auto lifts. This would cause the oil to keep "weeping" because there must be some measure of vacuum in the tank to keep the oil from flowing freely once the unit is shut down. I had a slow gear oil leak (I noticed while it was in the water because the reservoir kept slowing going down) and finally had a chance to locate it. Another sign is an oil leak near the rear of the oil pan. I don't believe there is a gasket at the base of the threads, at least I never noticed one. Another source could be alternator o ring or gear shifter seal. After laying it down I noticed that a small puddle of coffee colored oil formed under the prop/lower unit overnight. Before taking your 115 HP outboard engine in for service, there are a few basic troubleshooting steps you can do on your own. Only thing to remember is if you now tip the lower unit, gear oil will leak (RUN) out the hole where the driveshaft was. This will help to determine in the future if the new gasket is still leaking, or if a new leak develops. The average cost of repairing a sump pump is $458, while on the lower end, homeowners may pay as little as $150. There is the Drive shaft that comes down from the engine into the lower gear case. Or pretend that burnt oil smell is not coming from your engine. 2) I checked the Gear Lube Oil Reservoir for the outdrive and that was at the "Full" line. I always thought that hole was for some type of sensor. Subsequently, when the burner cycles again, the blower pressurizes the air tube and the oil film is forced back through the weep hole in the combustion head. johnson 28 spl lower unit oil leek I just bought this boat it has a what looks like a 1986, its a johnson spl. 3L Chevrolet Suburban with zero issues. what is this and how do I fix it? There is also a threaded hole next to the leaking hole but I believe that this hole is for mounting a skid plate. Sometimes the needed repair is very small and won't cost you much money. If your car is fitted with a limited-slip differential, it also keeps all the. MBM makes a repair kit $40 - $65 plus freight. Mercruiser Alpha Gen II, Mercruiser Alpha Diagram, ALPHA GEN II LOWER STERNDRIVE PART 2 ALPHA GEN II UNTERER ANTRIEBSTEIL TEIL 2. My clutch is working fine, I cleaned all around and this is the only returning leak. Some of the first patented oil stop leak products were basically castor oil containing ground nut shells. If water drains through exterior weep holes or crevice, system is clear. Here is a pic showing the small hole the oil is leaking from on the bottom of the pic. When you crank or start the engine oil is then forced out the breather. After spending $1000 to have our local shop fix the oil leak, it began leaking again a month later, so we took it to the dealer. Two techs are discussing oil leaks. 1 twin turbo. There is the Drive shaft that comes down from the engine into the lower gear case. The good 'ol weep hole on my original water pump was leaking like a sieve. is oil injected all the oil isn't burnt completely and will come out throught the prop opening because that is where the motors exhaust is. My head gasket is leaking oil, what can I do? What you are seeing is most likely one of two things: 1) It's oil, which would mean it would be coming from the valve covers, or. That oil has nothing to do with your gear oil in your lower unit unless it has a crack or the prop seal is gone and then if water was in it it would be a grey milky colour. • Inspect stiles and rails for damage (cracks or splits in vinyl surfaces). A damp proof course inside a cavity wall that funnels water towards a weep hole. Dealer says there are two seals, 1 oil & 1 water seal on each side of the water pump shaft. I'm assuming that the weep/vent hole is this one. Oil leak from Distributor weep hole; OpelGT. The ground shells would flow to the point of the leak and then clog the hole. 9 hp Johnson oil leaking from lower unit Post by cajuncook1 » 07 Nov 2013, 04:20 It is not uncommon to see unburned fuel oil mix exiting/draining from the through hub exhaust or the foot of the gear case. BNauman , Jun 22, 2016. clean the block and use a paper towel to find the oil by slowly wiping down the back of engine till you hit the oil. First insert the shorter filter, then the longer one. If there is a trail of fresh oil cascading over the bellhousing, chances are the sending unit is leaking. there is no visible oil leak on the engine. If there is any leakage of coolant from this "Weep Hole" the pump seals and bearings are failing. To complicate matters further, the oil that leaks from those seals flows backwards, through a pair of weep holes (pictured below), and down through the transmission bell housing (this is the large metal housing that surrounds where the transmission is coupled to the rear of the engine) where it finally becomes visible from underneath the vehicle during oil changes or other routine service. the lower unit is fairly easy to remove, if you are a do it yourselfer. After spending $1000 to have our local shop fix the oil leak, it began leaking again a month later, so we took it to the dealer. When you get home unscrew the plug at the bottom of the lower unit and let a bit of oil out, and see how it looks. Re: Oil coming out of two-stroke exhaust Its normal and how a two stroke oils itself ,the oil mixes with the gas and when the cylinder fires the gas is burned off and not all the oil and the residual oil is blown out the exhaust along with carbon,ect and enclosed in a drum it is magnified. Answer: Actually oil coming out the breather may not be a problem at all. 3 oil leaks are due to inherent manufacturer design and component choices. Likewise, the water pump has been designed to direct coolant to the weep hole, but admittedly, I’ve never heard/read that it was “normal” for any amount of coolant to be ejected from the hole. My leak drops oil onto the starter as well. I had a slow gear oil leak (I noticed while it was in the water because the reservoir kept slowing going down) and finally had a chance to locate it. Weep hole is on bottom of engine clutch housing;no weep holes on reverser case. (which makes it seem like it is coming from the clutch fork. Small amounts of moisture or oil around the weep hole is probably not a problem, but if there is significant leakage of water or oil, it's time to replace the water pump. An oil pan is located at the bottom of the engine and is bolted to the block using many bolts and is sealed using a gasket. Since you've got gear oil leaking out of the WATER intakes, you've got a problem that needs immediate attention. It had worked fine for almost a year before it began leaking. The lower unit gearbox is not the unitized type as used on the later 9. It wasn't leaking before I took it apart. Johnson outboard motor leaking from water port holes? For my season start up procedures, I started the motor on my driveway with the water ear muffs. If the pan is damaged or if the gasket fails it can leak oil around the pan itself. Fluid Leaks Although oil is one of the main fluids in the engine compartment, there are several other types of fluid that can be mistaken for an. It's also a good idea to pick up a pressure test gauge to make sure all seals are good to go. Once you know it is full, and you have cleaned everything up, see if it leaks anymore. I have a pesky oil leak from the passenger side engine compartment. It is more efficient, the water splashes on the condenser coils to aid in cooling them. If you have water leaking into the boat, be glad you noticed it! The drive should be immediatly removed as to stop any more damage and repair the leak. had it happen on my 04 duramax at about 135,000 km's. We can track down hard-to-find & obsolete items We have the resources and manufacturing capabilities to fabricate obsolete and discontinued parts from information or samples provided to keep your lift running. (Challenger Space Shuttle "o" ring failure in cold weather launch)If in heated space do a pressure test on the lower unit 55 - 70 degrees. It is on the bottom of the pimp and difficult to see. 1978 Evinrude 9. If u take the lower unit off and bring it to a shop it would cost about 1 hour to reseal the LU, pressure test it, fill it with gear lube and replace the drain plug gasketsI would say 40 to 60 for seals, 10 for gear lube and 4 for drain plug gasketsand whatever the shop charges for an hour of labor. This can cause the whole engine to seize and is causing oil to leak into the exhaust. Engine seems to be running fine. if no leak your good. Honda buys them from Mercury, so if necessary, any Mercury dealer can easily service those lower units. I suspect that one of the o-rings or oil seals inside the lower unit below the water pump housing are leaking oil. I removed the cowling & sure enough there was a small pool of oil at the bottom rear of the case. 3) I checked the Engine Oil and that was at the "Full" line. Air Conditioning Unit Leaking Condensation My a/c unit is leaking condensation in my house. If it's thick, black or tan oily liquid: Gear oil may be leaking from a manual transmission, the differential, an axle, or the steering gears. Install the spring and the oil separator front cover gasket/diaphragm. Vrod oil leak. Ford Super Duty pickups have become notorious for dripping oil. Just wondering if this could be a driveshaft seal and if I would be reasonable in asking the dealer to repair it. That may uncover an expensive, or not too expensive problem, but the test is not expensive. Check if it's dripping from the valve cover. Find the weep holes by unscrewing the plug hole/top part of the drain hole. Engine seems to be running fine. Sounds like oil is leaking into the exhaust galley. Since you've got gear oil leaking out of the WATER intakes, you've got a problem that needs immediate attention. We changed the oil sump and the seals. Sludge was the result of swelled shut PVC rubber gromit. It is a large house so it has two furnaces and two heat pumps one for upstairs and one for read more ». Where could this leak be coming from. You don't want to plug the hole or else the EGR will not function correctly. Put it back together and filled it with gear lube. After getting it off the oil seems to be coming from the exhaust so I cleaners it al. Replace the water pump and 2. If you have run your motor at low rpm without load in cold weather, it is completely normal that unburned black oil drips out of exhaust or drain holes in lower unit afterwards, almost every two-stroke I've had did that. Oil/Water Pump Rebuild - 1996 K1100LT Short Story - blew a hose, replaced hoses, found gunk in coolant, deduced it was oil. If the trans in your truck leaks fluid when the vehicle is parked uphill, fluid may be coming out of the weep hole due to failure of an output shaft O-ring. you need to reseal your lower unit to keep water out of it. There looks to be two seals and an “O” ring on the prop shaft. if the oil looks like chocolate milk it probably has water in it which means its leaking at the upper or lower seals and needs a pressure check and possibly seal replacemant. In my mind here is what I think has happened. I can see some of the blue gasket there, and can feel it coming out when I place my hand against it. When a mechanic is asked to fix an oil leak, he (or she) will normally degrease the engine first. Insert thin wire into the exterior weep hole in the frame. Over time and as mileage climbs, all engines develop oil leaks, and the oil pan gasket is usually one of the first areas. I did the 100 hour service a week ago and since refilling the gear oil, I have had gear oil leaking from the upper/forward weep hole that typically discharges water from the lower unit. But the oil wasn't leaking from the engine. Quicksilver 8m0072133 gear lube pump outboard or stern drive 3 8 16 drain plug obdrive1thumb jpg 5665 bytes outboard boat motor lower unit gear oil the best performance of an outboard lower unit oil is needed to change once in a season or after every 100 hours ensure mercury verado triple oil change gear lube…. Over the winter it sat in it's stand. Engine oil is leaking pass the orange seal into bell housing and out through timing hole. The first is if coolant is leaking around the water pump. March 19th, 2015, 10:19 PM. Besides leaking, every time I stopped fast the oil would rush to the front and be sucked up by the PCV valve. The oil in this area is not under pressure as it is on its way to draining back to the oil pan. Then you can clamp a Vise Grip pliers onto the shaft (at a location where no seal or impeller will be). m m bmw series 1 oil pan fixing oil pan gasket pw parts & rear main seal 2500 oil pan gasket leak m62 oil pan leaking 2001 525i (anyone have this problem emergency oil pan problems 1999 528i oil pan gasket replacement cross thread oil pan on e36. Proper oil level and quality insures that the lower end transmission gears and shafts have enough lubrication to spin freely and smoothly, with no friction. The little tube where the oil looks like it is leaking from is about two or three inches above those holes. This oil leak location is vexing me. Dealer says oil seal is bad. Some of the first patented oil stop leak products were basically castor oil containing ground nut shells. I need some help trying to track down the source of this leak, I recently bought my 53 Chevy 210 with a 235 and 3-Speed tranny. Most mechanical fuel pumps have a weep hole on the bottom of the unit. Look around the snout area for a weep hole that will leak when it needs to be replaced. You have a leak, but where? BMWs have multiple components in their cooling systems and any of them could cause a leak, however the most common of coolant leaks are caused by a failed Coolant Temp Sensor located (in most cases) in the lower radiator hose. June 14th, 2017, 01:38 PM I replaced the water pump assembly in the lower unit of my MerCruiser Alpha 1 sterndrive. I have a small gear oil leak coming out of my lower unit weep hole. I am not a marine mechanic,just my some what educated 2cnts. To stop the leak you must disassemble additional parts to replace the water pump such as a serpentine belt or cooling fan. They have the integral water pump and fuel pump driven off the accessory drive. I ran it in a barrel of water and it runs pretty good it looks like, im not to familiar with engines, but i did some research and it looks like black muddy oil leaking through the weep hole after i run it. It is on the bottom of the pimp and difficult to see. Start Right Here Find appliance parts, lawn & garden equipment parts, heating & cooling parts and more from the top brands in the industry here. Calculating the fluid flow through a hole can be difficult, due to many variables like fluid flow velocity, pressure in the pipe and density of the fluid, just to name a few, but don’t get discouraged. What about oil leaking out of the "weep hole" on the under side of the fuel pump? ? I have been told too much crankcase pressure can cause it, but that seems normal. 3 Powerstroke common oil leaks are especially well known. If it doesn't leak anymore take it out on the water for a spin. Verify that there is no leak up top. After that try Maxlife again and see what you get. 6L LB7 pickup trucks. Many times when the air conditioning unit is low on refrigerant it starts to freeze up when running. We changed the oil sump and the seals. Then you can clamp a Vise Grip pliers onto the shaft (at a location where no seal or impeller will be). BNauman , Jun 22, 2016. I did the 100 hour service a week ago and since refilling the gear oil, I have had gear oil leaking from the upper/forward weep hole that typically discharges water from the lower unit. My leak drops oil onto the starter as well. MAINTENANCE 4. Transmission/Driveline √ Automatic -Manual √ G Transmission √ G Shift Operation √ G Noises - - Clutch OPS √ G Linkages √ G Driveshaft/Boots √ G Oil/Fluid. Johnson outboard motor leaking from water port holes? For my season start up procedures, I started the motor on my driveway with the water ear muffs. Continued closing of the holders squeezes the semi-circular seal upward and into sealing contact with the seat in the BOP body and energises the horizontal seal. , weep hole leaking. If the window has a removable sash, it may be helpful to remove it before inspection. I know its been awhile but I never had a leak before the lower unit replacement. Filling continues until the pump plunger reaches its upper position. Or it could be the shift boot seal leaking oil too (I had the shift boot seal replaced recently so I don't think this is it). Check for a steady stream of water flowing out of the water pump indicator hole. If it's leaking from the back of the water pump then most likely you should go ahead and replace it because its leaking from the weep hole which tells you basicly that your water pump is about to. It sometimes leaks a lot and sometimes doesn't leak much. I was told this is due to a leaking seal or two. Factory Replacement and Aftermarket Performance Parts for 2001 - 2004 Chevy GMC Duramax 6. One problem, is in using gasket jointing compound on the head gasket. It used to be their daily driver, and while it has some minor/normal interior wear and tear, it’s in excellent shape overall. What? Looking at them myself, I think it's not too bad.