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How to stop rear main seal leak of Technology

2009 - 2014 F150 - 2011 F150 5.0L leaking rear main seal - My brother .

6194 posts · Joined 2005. #3 · Nov 6, 2005. The 6.5 uses a 1 piece rear main seal I believe. You have to pull the trans if I'm right about it being a 1 piece rear main seal. I'm pretty sure that the last of the 6.2's and the 6.5's got 1 piece rear main seals like they did to the gassers though. 1995 K2500 SUBURBAN, LB7 DURAMAX/ALISON powered.The Mobile 1 high mileage must just be a coincidence. The 4.0 simply has a bad rear main seal design. I've seen them leaking with as low as 50k miles on them. Like I said though, it's fortunate that it isn't like most engines, which would require dropping the transmission to access the rear main seal.mecompco. 5400 posts · Joined 2005. #3 · Apr 12, 2008. I guess if you're careful and check your oil daily you could nurse it along. I drove my JY resuced '86 FSB with a bad main seal for about a year--it took at least a quart of oil a week. '94 Cherokee Country. Engine: 4.0 HO, Sealed canister filter, 3 core CSF steel radiator, CatCo cat ...If your car is driven regularly the seal will stay soft and round sealing oil from leaking around the shaft. If the shaft sits for a long time it can deform the rear main seal into an oval where the opening is no longer round and oil can leak out while the engine is running. In our case, the very few miles we’ve put on our project car has ...Went from a drop on the ground maybe once a week to several drops a day on the ground using the Pennzoil, so it appears the short OCI and high grade oil flushed something away from the seals that were already capable of leaking when not coated in gunk. First oil change was very dark after 1,000 miles.Apr 29, 2015. #2. The best thing to do is replace the seal - but assuming that's too expensive to justify I'd start with a high mileage motor oil. Valvoline MaxLife and Pennzoil HM seem to work well for the folks here. MaxLife is a synthetic blend, Pennzoil is conventional. Either will take a while to work, perhaps the better part of an OCI.The Porsche RMS is a common source of oil leaks on the 986 Boxster and 996 911. Porsche updated the rear main seal several times to address this problem. If ...1589 posts · Joined 2016. #5 · Nov 8, 2019 (Edited) The rear main seal replacement (after removed the seal retainer) itself is a fairly simple task; its the reassembly and alignment quality (from transmission, half axle, brake back out to the driver-side wheel and all of the attached electrical connectors, hoses etc.) can be crucial for ...11. remove flexplate 12. remove cover over rear of engine (the manual states that there is a cover over the rear main seal...) 13. unbolt motor mounts and lift engine a few inches to gain clearance between the crossmember and oil pan. This might require removal of the upper intake on the EFI system. There is some clearance on the truck.9084 posts · Joined 2002. #5 · Nov 26, 2007 (Edited) If the main seal doesnt seem to be leaking it can be leaking from the 2 oil galley plugs or cam plug that are inbetween rear of block & bell hosuing. Could also be leaking oil from rear of intake & distributor housing to intake seal too. FYI,all the oil galley plugs in my block (inc 2 the ...While a rear main seal normally costs $5-$110, the repair is expensive. In most cases, you have to take the transmission out to access the rear main seal. Otherwise you have to remove the engine from the transmission. In both cases, you're looking at a labor-intensive repair, which can cost anywhere from $350-$2,000.bar's leaks rear main seal repair review. bar's leaks rear main seal repair review.Is Discontinued By Manufacturer ‏ : ‎ No. Product Dimensions ‏ : ‎ 7 x 4.5 x 4 inches; 1.76 ounces. Item model number ‏ : ‎ AT-205. Date First Available ‏ : ‎ July 7, 2004. Manufacturer ‏ : ‎ ATP. ASIN ‏ : ‎ B000NVW1LM. Country of Origin ‏ : ‎ USA. Best Sellers Rank: #480 in Automotive ( See Top 100 in Automotive)Step 5 – Installation. Line up the bracket with the new rear main seal in place, and then bolt it down using the six 10mm bolts. Don't forget to place the bracket gasket back on. Re-install the flywheel assembly using the 12-point, 17mm socket. Re-install the pressure plate assembly using the 12-point, 10mm socket.The oil leak in the front of the transmission is a sign of a rear-main seal failure. The fluid is likely leaking from the front main-seal. If the front main-sealed rear-main seal leak is present, you should clean the engine and check for the leaks. K-Seal brand Multi-Purpose One Leak Repair. Buy Now.The rear seal fits snuggly around the rear of the crankshaft and keeps the engine oil from escaping. When this rear seal leaks either the engine or the transmission has to be removed to gain access. On a rear-wheel drive vehicle the transmission is usually the easiest to remove, but on a front-wheel drive vehicle it is sometimes easier to ...14108 posts · Joined 2002. #10 · Dec 14, 2018. I have/had a leaking rear main seal on my original 396 that leaked from the get go immediately after a rebuild. Confirmed with the florescent dye method. I did change the crankshaft during the rebuild so the new crankshaft could have been the issue.Here's the back of the engine, the oil galley removed, and everything labeled: 3MZ rear main, galley leak. In the above the galley plug is removed, awaiting a replacement plug and crush gasket. If you've got an oil leak from the rear main area on any Toyota or Lexus 3.0 or 3.3 liter V6, you should replace both the rear main seal and the ...The rear main seal is a circular thick rubbery component that slides between the crankshaft and the engine block. This seal is needed to keep your oil inside the engine bay. If your rear main seal starts to leak, you will start to lose a huge amount of oil from your car. If this passes by unnoticed, your engine will starve from oil and this will …One such story recounted the time he took off for Fla. from NJ. The engine leaked oil, so bad that he had to rig a dishpan underneath the oil pan. in order to catch the oil. He had to stop about every 20 miles or so to un-rig the dishpan, pour the oil back into the engine, re-rig the dishpan, and continue the trip.MaxLife would be a good first step. It does take a while to work, so your co-worker allow at least an OCI or two before declaring failure. If MaxLife doesn't work, Liqui Moly Oil Saver seems to have a good reputation on this board. It comes in 300ml bottles that are $7-10, depending on source.If your car is driven regularly the seal will stay soft and round sealing oil from leaking around the shaft. If the shaft sits for a long time it can deform the rear main seal into an oval where the opening is no longer round and oil can leak out while the engine is running. In our case, the very few miles we've put on our project car has ...Also known as the rear crankshaft seal, the rear main seal is a gasket that prevents engine oil from leaking as it flows from the engine block to the oil pan. Some rear main seal replacement tips include wearing protective gear, disconnecting the battery before removing the transmission, and matching the new rear main seal to the old one.A rear main seal is also known as a rear crankshaft seal since it is placed on the engine's rear side, where the crankshaft links to the gearbox. The seal's purpose is to keep engine oil from seeping out of the crankshaft. The crankshaft of your car is subjected to a great deal of force. It houses the pistons and is linked to the flywheel ...Pull the round inspection cover and look at the flex plate. If there is oil in there, it is probably a rear main seal leak. Also if there is a good bit of oil in inspection plug two ways to proceed clean it out with a degreaser and add a cial of oil dye to oil system to be sure where it is coming from and not guessing.To replace the seal, the transmission and flywheel have to be unbolted and slid back far enough to install a new seal. As for the cost of the repair, it depends how long you ran the engine with oil running out the back of the engine onto the ground. 2014 Equinox LTZ FWD 3.6L. V-6 (LFX)Learn how to fix leaking oil seals in your car with a simple bottle of sealer and Scotty Kilmer's DIY tips. Watch the video now.Rear Main Sealer; 8 Ounce; BlueDevil Rear Main Sealer permanently stops rear main seal leaks. Just add to the engine oil to restore and seal gaskets. BlueDevil Rear Main Sealer is a great repair for timing cover leaks. Guaranteed Permanent Seal. Restores Dried, Cracked, and Shrunken Rubber Seals. Works in Gas or Diesel Engines.Oil Leaks for the 2-piece rear main seal small-block Chevy are a long-running family tradition. In fact, Mouse motor veterans only partly in jest warn that you should worry if your small-block stops leaking because you might be out of oil. Beyond the hyperbole, the small-block does suffer from a few inherent flaws that contribute to it …Dongar Dashcam Power Adapter (12-pin for '15-'23 Toyota Tacoma. Also Compatible with Select Sienna, Honda, and More), Connects to Rearview Mirror, Built-in USB Power Source, Easy to Install. $32.99. Jashlife 2 Pack Seat Belt Clips,Universal Accessories forMost Car,Comfortable and Convenient for Driving.There are two things that could be leaking. 1 Rear Main Seal (RMS) 2. Upper oil pan. Yep there are two upper and lower. The upper is like a skirt that comes down from the engine case to form a place at the bottom for the little oil pan with the plug for draining the oil.Symptoms of a Rear Main Seal Leak. A rear main seal leak can be a dangerous and expensive problem. Here are the symptoms of a rear main seal leak: 1. The car will not start. 2. There is smoke coming from the exhaust pipe. 3. The car feels sluggish or clunky when driving. 4. The car has a “squeaky” sound when driving or when the …How Can I Use a Rear Main Seal Stop Leak? Using a rear main seal leak stop product involves several steps to ensure its proper application. Here is a guide on …Almost any oil leak on your 4.0 is gonna drip from the RMS area for two simple reasons. First off, the engine sits nose-up and any oil will run back to the RMS area. Secondly, the RMS area is also the lowest point on the engine. Simple physics and the old plumber's adage apply here. "***** flows downhill".by Jeff. Here’s a quick video overview of our Bar’s Leaks Rear Main Seal Repair (p/n 1050), easily one of the top products available to stop oil leaks cold. Specially designed to seal rear main leaks, but also works better than a conventional stop leak on all other leaks. This includes timing cover seal, o-rings and other seals & gaskets.Mar 21, 2024 · May not perform well in older engines. 5. ATP Automotive Re-Seal Stops Leaks. Another great option in the best oil stop leaks additives category is the ATP automotive re-seal stops leaks. ATP is also a renowned company for oil stop leak additives and is mostly recommended due to its amazing performance.In this video, I show you guys how to replace/remove the engine rear main seal on a 1995 Ford F150 with the 5.0L / 302 engine. You have to remove the transmi...It ALWAYS leaked out the rear main, pretty typical, until we put a Scat aftermarket crank in it. It cured the rear main seal leak, seems odd. But, when it was torn apart with the previous factory crank, it also was pretty hard on main bearings. The Scat crank has been in there for 4 years, haven't torn it apart recently.Leaking rear main oil seal - help needed! Just wondering if anyone can give me some advice as I would really appreciate it. For the majority of this year I have had ongoing problems with my mini overheating, resulting in numerous visits from mini emergency service and finally a new head gasket in July just before my warranty ran out.My Eagle was leaking from the crank, appearing as a rear main seal leak (we replaced the seal 3 times before putting RTV in the crank). Also, leaking/migrating oil can make it's way to O2 sensors and clog them, cause the car to run rich, foul your plugs until you fix the oil leak (and replace the O2 sensors). That's what happened to me.Sep 1, 2017 · 4,182. Location. Chicago. moper said: Yes - only four sources of oil in the bellhousing: (2) lifter galley pipe plugs (full pressure oil 100% when engine's running); cam plug (splash fed oil from the rear cam bearing); and the rear main (splash fed from sump). My money is on the pipe plugs if it's really that fast.Rear Main Sealer; 8 Ounce; BlueDevil Rear Main Sealer permanently stops rear main seal leaks. Just add to the engine oil to restore and seal gaskets. BlueDevil Rear Main Sealer is a great repair for timing cover leaks. Guaranteed Permanent Seal. Restores Dried, Cracked, and Shrunken Rubber Seals. Works in Gas or Diesel Engines.A quick overview of our Bar's Leaks Rear Main Seal Repair (p/n 1050), easily one of the top products available to stop oil leaks cold. Specially designed to ...2015 Rear Main Seal Leak. Noticed a leak at 59k miles on my 2015 3.5L Ecoboost. Called the dealer and made an appointment to have it serviced and this leak checked out. I arrived at the dealer at 60140 miles (kid you not) and the dealer confirmed my fear of a rear main seal leak. They quoted me $1500 because I was 140 miles outside of the ...The additives that promise to seal leaks, in my experience only do two things - take your money and lead to disappointment. Unfortunately the only fix is an actual mechanical repair. The good news is the new seal is only about $30. The bad news is the transmission will need to be removed to get to it. Expect about 4 to 5 hours in labor …Trending Topics. Also you may want to take the plug out of the bottom of the bellhousing and inspect to make sure it is the rear seal and not the oil pan. I have been a mechanic for a long time and 95% of the time when somebody thinks their rear seal is out it is just the oil pan gasket. Most of the time a bad rear main will get oil all over ...It is most likely the seal. 2. When parked, you will only see drippage from whatever has collected in the transmission bell housing. With this oil being so thin, it will drool pretty quickly out of the engine. The seal is above the oil an only gets wet inside the engine when the engine is running. 3.0. 0. Williston, VT. Aug 6, 2017. #1. I'm new to tractors and recently bought a used L4240 with 1000 hours. Last week, I noticed motor oil leaking from the split pin plug on the clutch housing, an obvious indicator of a rear main leak. I think it lost a few ounces after a hard running session. Since then it has been a slight drip durning ...the seal fits properly in its grooves, and is not distorted or offset relative to the rear main bearing. 3) Machine the rear slinger area of crankshaft as shown in the figure. Finished diameter shall be between 2.090 in. and 2.150 in., and concentric with the rear main journal within .001 in. to prevent whipping of the seal lip outward.7.3 Oil Cooler Leak. A 7.3 powerstroke oil cooler leak usually originates from the oil cooler o-rings or an oil cooler gasket. Find your oil filter and trace it to the oil cooler assembly. Check for leaks around the ends where the oil cooler attaches to the engine or at the o-rings in the center of the cooler.Apr 6, 2024 · Some rear main seal replacement tips include wearing protective gear, disconnecting the battery before removing the transmission, and matching the new rear main seal to the old one. A rear main seal can cost anywhere from $10 to $80, but most mechanics will charge you around $600 to $900 to replace this part. Contentshide.Putting Stop Leaks to the Test Via Unbiased Gumption. Not too long ago, Todd over at Project Farm LLC released a comparison video, where the unbiased (and outright enthusiastic) YouTube product tester pitted fourteen engine stop leak products against one another.A video that the clever content creator claims were intended purely for "entertainment purposes," and did not influence the ...Let’s briefly look at the factors that can deform or deteriorate the rear crankshaft seal. Engine oil condition: One of the factors that can cause the rear crankshaft seal to leak is using the wrong type of engine oil or a low oil level. Most engine oils have chemical additives that might affect the seals in the engine.In the simplest of terms, a rear main seal is a seal used to prevent oil loss from the rear of an engine, where the engine’s crankshaft mounts to the transmission, via a flywheel or flexplate. This, in turn, gives birth to the rear main seal’s nickname as the rear crankshaft seal. Seals of this type are typically driven into a recess within ...Bottom line: the nature of the leak would require a major engine tear down. Mazda agreed a new engine was in order. Yep, I got a new long block. :surprise: I'm still shocked that this engine leaked from day one (well, I noticed it at 5,000 miles, I assume it leaked from day 1).57tbird57 said: I have a 57 with a 312 in that was leaking all over the place. Heard about an oil adative called blue devil rear main sealer It had great reviews so i gave it a try. After driving it about a 100 miles, i went from several puddles down to a couple of drops. Also sealed power steering completely. Bar's leak rear main seal repair to stop leakDown South. Check to make sure the seal retainJul 27, 2021 · So always double-check to

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The downfall is it attacks them all. So this could only be a s.

In this video a rear main seal is removed from a Ford Ranger. Many one piece seals have a similar removal and installation process. If an oil leak is notic...Bar’s Leaks Rear Main Seal Repair restores the seal to like new condition and also contains additives to stop leaks in severely worn seals and crankshafts. Compatible with all petroleum based engines oils including high-mileage and synthetic. Works with ALL vehicle types including gasoline, diesel and turbocharged.Now, replacing is a snap. Don't use another rope seal, get the rear bearing seal for a Ford 460 engine which is the neoprene type (it's in two half moon pieces) roll the upper in, set the lower in the main cap a dot and I mean just a dot of black silicon on the ends of the lower and put the cap on.A rear differential leak typically happens when differential oil seeps out of the rear differential's housing. This type of leak usually happens when a differential mechanical seal fails. It's possible for the rubber in the differential gasket, pinion seals, and side seals to degrade over time. Take your ride for an inspection if you see ...Looks like the rear main seal on my 225 slant is bad, and my understanding is that the engine must be removed to fix it. YouTube has a number of videos of guys using Blue Devil rear main seal stop leak, and most reviews are pretty good. Has anyone on this forum ever used this stuff on a slant...We tried everything known to stop the oil leak and could not. Finally I pulled the rear main cap one evening and discovered that the rebuilder had cut the oil groove in the wrong direction. When cut properly, and looking down on the bearing surface from the rear of the engine, the grove should run for the right lower corner to the left upper ...This could be a solid indicator of just that. If you see a leak but aren't sure which particular component is the culprit, a look under the hood is in order. By identifying the rear main seal ...I have a tranny jack and this will be a driveway and jack stand repair. Maintenance Shop - 4.2 L rear main seal - I'm sure this is not the first time this has been asked. I have a 2000 F-150 w/4.2L V6. It appears the rear main seal is leaking. I have done similar jobs on many other motors but never on a 4.2L V6.In this video, I show you guys how to replace/remove the engine rear main seal on a 1995 Ford F150 with the 5.0L / 302 engine. You have to remove the transmi...STOP ! With the Block upside down on the Engine stand, install the upper main bearings and upper main seal half installed flush with the parting lines (block half). Now set the crank in the Block. Take a flashlight and inspect to see how "compressed" the Lip on the Main Seal are side to side.14108 posts · Joined 2002. #10 · Dec 14, 2018. I have/had a leaking rear main seal on my original 396 that leaked from the get go immediately after a rebuild. Confirmed with the florescent dye method. I did change the crankshaft during the rebuild so the new crankshaft could have been the issue.A discussion about how many times my powertrain was disassembled to fix this leak, view of the back side of the Pentastar 3.6L V6 with the transmission removed.These can be done without pulling the crank in the old timer's way. You drop the pan and remove the lower rear main cap, and loosen the others to drop the crank a bit. Then use a brass rod to push the old upper seal out; use the brass because you may have to tap it through with a small hammer.Sams454SS. 290 posts · Joined 2004. #7 · Jan 28, 2010. Expect some oil to leak out back there, it's nothing to worry about. In fact you could spend a lot of time and money just trying to get that to stop. A high volume/pressure oil pump will exagerate the leak. It's got a lot to do with the split rear main seal.2009 - 2014 F150 - 2011 F150 5.0L leaking rear main seal - My brother has a 2011 5.0L with a leaking rear main seal. The truck has 55,000 miles on it. Does anyone else have a problem with a leaking rear main >? How prevalent is this problem ? Any thoughts are appreciated !Hydraulic jacks that leak down have broken or damaged seals and piston rings somewhere in the jack. One of the benefits of having a high-quality hydraulic floor jack is that the ja...RDF1. 1446 posts · Joined 2023. #3 · Jan 7, 2024. Check to make sure the valley cover, valve cover, and oil pressure sensor is not leaking. The rear cover and the rear main seal could be leaking. IF so then need to pull the transmission and fix correctly. 2004 2500HD 6.0/4L80E 4x4 _ Almost worn out. JD1964.**Heads up! It looks like I should have removed the pin in the Main Cap.I have gone through two oil-pan gaskets trying to find out why I still had an oil le...The rear main seal is a circular thick rubbery component that slides between the crankshaft and the engine block. This seal is needed to keep your oil inside the engine bay. If your rear main seal starts to leak, you will start to lose a huge amount of oil from your car. If this passes by unnoticed, your engine will starve from oil and this will …Shelbyville, Indiana. About 3 weeks ago I posted the question about replacing the rear main on a 216. A reader was kind enough to provide me with the Stove Bolt Tech Tips website that outlined this procedure. My problem is that I have the pan off and rear main cap removed. The other main caps are loose and the caps dropped about a 1/4 inch.One tool that some people have had success with is an oil additive called Blue Devil Rear Main Sealer. If you're out of options, this is a fairly low cost method that has worked for some people with a leaking rear main seal. Just add one 8 oz. bottle for every 8 quarts of engine oil and it should at least slow down the leak and may even stop it.Wait 3-5 minutes after turning your car off then check the o1 Quart of Lucas Engine Oil Stop Leak Saves $7,000. I had an

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This can be caused by bad rings, pistons, cylinders or possibly valves and guides. Excessive pressures in crankcase will cause oil to leak out rear main and any other place not sealed. 4. If above is all good now remove half moon inspection cover on flywheel housing, three hex head screws. Chock wheels.I'm this video I show you how to check to see if you have a rear main seal leak or if it's just your oil pan gasket. This is on the ford f150 with the 5.0 co...Here is a view of the rear main seal and how it mounts up to the back of the engine. I also discuss where my leaks were coming from: 2014 JKU Sport 3.6L auto Flame Red. 2014 Manley MORV Original trailer. (Ret.) 2003 TJ Sport 4.0L auto Patriot Blue.Location. Hudson, NH. Dec 31, 2012. #3. Your not pouring form-a-gasket in your engine. Your slowing a leak using an oil thickening additive, swelling old shrunken seals with a seal swelling additive, or both. When you stop using a seal swell additive, the seal shrinks back to where it was and the leak returns.rex1965. If you can remove the oil pan, and your engine has a two piece oil seal, you should be able to remove the crankshaft end cap and use a brass rod and drive the old seal around to get a hold of it to remove it, you may have to loosen all the main caps to get the new one in, remember to offset the ends they are not flush with the cap, and ...When cut properly, and looking down on the bearing surface from the rear of the engine, the grove should run for the right lower corner to the left upper corner. That way the rotation of the crankshaft pumps the oil back in the direction of the oil pan. If cut in the wrong direction the crankshaft pumps the oil towards the flywheel causing ...I would pull the inspection plug on the bell housing and make 100% sure it's the rear main leaking. These trucks have either oil cooler lines or a block off plate installed directly above the oil filter on the side of the block. They are known to leak and can easily blow back and drip from the oil filter or the bottom of the pan and bell housing.MaxLife would be a good first step. It does take a while to work, so your co-worker allow at least an OCI or two before declaring failure. If MaxLife doesn't work, Liqui Moly Oil Saver seems to have a good reputation on this board. It comes in 300ml bottles that are $7-10, depending on source.InterDynamics Certified Auto Pro Oil and Fuel System UV Dye Leak Detection for Cars & Trucks & More, 1 Oz, 374CS, Universal. $7.99. ATP Automotive AT-205 Re-Seal Stops Leaks, 8 Ounce Bottle. $19.23. Home Forums > Tacoma Discussion > 1st Gen. Tacomas (1995-2004) >. I have a 2004 Tacoma automatic with the 3.4L.More common than the RMS, is a leaky Valve Cover gasket near the firewall. It will drip oil down the back of the block appearing to be a RMS leak. Many people have gone through the trouble of replacing the RMS only to find out it was a simple valve cover fix. '99 Chili Pepper TJ - I4 PowerTech motor. 33x12.5 DuraTracs.I have a tranny jack and this will be a driveway and jack stand repair. Maintenance Shop - 4.2 L rear main seal - I'm sure this is not the first time this has been asked. I have a 2000 F-150 w/4.2L V6. It appears the rear main seal is leaking. I have done similar jobs on many other motors but never on a 4.2L V6.Also saw reference to Titan Stop Leak.. but it was nearly four times the price of the AT-205 with far fewer reviews. Added one 8oz bottle on July 21st. It treats six quarts. Recommended to give it about five hours of run time before passing judgement. Drove it for about two hours and let it sit overnight.110 posts · Joined 2015. #2 · Dec 12, 2016. It could be the rear main, but it also could be leaking at one of the back corners of the came covers above the bell housing and running down. It you are getting oil on your clutches making them slip, just keep monitoring your oil level and when you do your clutch job, check it then so that you do ...If you've got a rear main seal leak you will have oil dripping off either your engine oil pan or the front of your transmission called the bell housing. The problem is other leaks can cause oil to drip from this location as well. For example, a leaking oil pan gasket or even a leaking valve cover gasket can drip down your engine and cause oil ...In this video, we look at a vw tiguan tsi, with the 2.0tsi ea888 engine. It came in with a check engine light and a vast oil leak under the vehicle. The chec...BK2life is spot on. Every oil leak I see ,that the customer says is a rear main, is actually the plate leaking becasue the plate gasket has lost the bead of precured eurathane seal. There is a little block off plate by the oil filter that might be leaking,it is just 2 bolts .For a 10.5hr job on the rear main seal 2013 Chrysler 300C. More than I would pay, unless you're, I don't know, on Oahu or something. I'd shop around. A leaking rear main seal isn't exactly an emergency. Just had my rear main seal replaced this week. Cost part $38.17 Labor $342.00 Total with taxes $428.65.The sump would be the deepest part of the oil pan, so, the gasket should be new. The "gasket" consists of the front and rear lip seals and the rest is RTV sealant. Some aftermarket options might offer the lip seals with a cork gasket. If the pan was reinstalled properly, they it would like be the rear main seal or holder gasket.Try the Maxlife. It has gotten a lot of great reviews. If it does not aid in oil consumption/leakage, then move to the other additives or a thicker grade of oil such as 10W40 high mileage. Stay away from the MMO and Auto RX as neither will help you with a leaking rear main seal.This keeps the spring in place during installation. Seal lips should be generously lubricated to where they are wet during start-up, especially if an engine, transmission, or rear axle is going to ...4,182. Location. Chicago. moper said: Yes - only four sources of oil in the bellhousing: (2) lifter galley pipe plugs (full pressure oil 100% when engine's running); cam plug (splash fed oil from the rear cam bearing); and the rear main (splash fed from sump). My money is on the pipe plugs if it's really that fast.Before Blue Devil, Ensure Oil Is Clean. See All 17 Photos. For the best results, before using Blue Devil or any rear main seal stop-leak, ensure the engine has clean engine oil and you...20 posts · Joined 2006. #1 · Jan 26, 2006. I have a 95 XJ with a 4.0 HO. The rear main seal has started to leak a little bit. I have talked to my mechanic about this and he has told me and others that this is a common problem once they hit 100,000 miles or so ( I'm @ 115,000 ). He also tells me replacing the seal is pretty much a lost cause ...Lexus Model: 99rx300. Author. Posted August 8, 2006. RX in NC said: The rear main oil seal commonly fails on 1999, 2000, and 2001 RX300s because the original part was improperly designed and made rather poorly. The oil seal has since been redesigned and made by a different supplier and is now much sturdier.by Jeff. Here’s a quick video overview of our Bar’s Leaks Rear Main Seal Repair (p/n 1050), easily one of the top products available to stop oil leaks cold. Specially designed to seal rear main leaks, but also works better than a conventional stop leak on all other leaks. This includes timing cover seal, o-rings and other seals & gaskets.Their part number for a rear main seal for a 57-58 392 is P/N 3A07. It is a two-piece neoprene that can be staggered from the main cap parting line. It can be installed without removing the crankshaft, but the main caps have to be loosened and the rear main cap removed for access. If there's a rope in it, it can be removed with the caps loose ...Rear main seal is contained inside the block and rear main cap. Pan gasket seals between the pan and exterior of rear main seal. To repair either leak, you will have to pull the engine. Yes, it is possible to pull the pan with engine in the car, but it is a total PITA. Once you do that you can determine where the leak is coming from.️ ️REAR MAIN SEAL, In this video, Randomfix will show you how to check if your engine rear main seal is leaking. Helping you to save money and save you a tr...The stock seals in my stock 56' Ford 292 Y-Block went out completely - laying a nice slick up and down my street. My mechanic replaced the rear main seal cap with new seals - twice! Thought it might be the weight of the oil so put in straight 30W. I'm still leaking through the bell housing. A few oil drops when not running - throws a nice ... 17665 posts · Joined 2011. #3 · Apr 30, 2018.