How To Fix a Rear Main Seal and Oil Pan Gasket Leak
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- Опубликовано: 19 май 2015
- In this video I'll show you how to replace a leaky rear main seal and oil pan gasket in a Jeep Cherokee, but this procedure is applicable to many different vehicles. Jeep 4.0 engines are notorious for leaky rear main seals due in part to the two-piece design. With help from this video you can put an end to that giant oil spot in your driveway and keep the underside of your vehicle cleaner! Oh yeah... And don't forget to replace your engine oil once everything is back together! - Tim
rear main seal used in this video: amzn.to/2dbsyF1
oil pan gasket used in this video: amzn.to/2d8ESrW
rtv: amzn.to/2dbsepR
Website: www.bleepinjeep.com
FaceBook: / bleepinjeep
This product is meant for entertainment purposes only. Your mileage may vary. Do not try this at home. Void where prohibited. Some assembly required. For off-road use only. Slippery when wet. Batteries not included. Do not use while operating a motor vehicle, heavy equipment, cherokee XJ, wrangler TJ, wrangler JK, or any Jeep vehicle, especially the newer Fiat ones. How-to videos may be too intense for some viewers and children under 30 years of age. Please remain seated until the 4x4 ride has come to a complete stop. Studies have shown viewing these videos causes increased cancer risks in laboratory test people. I am not a professional, I have no training, I'm not even particularly good at horse whispering. Don't believe everything that you know. Please keep your hands in the vehicle at all times. Do not tap on glass. Do not eat anything that has been on the floor for more than 3 days. Keep your hands to yourself. Not to be taken internally. Reproduction strictly prohibited. Driver does not carry cash. Objects in Bleepinjeep mirrors may be farther than they appear.
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The innocent wrenching timeline: "Hey I'll just spend a few minutes under the hood and change the air filter." Two days later: "Axle removed, oil pan next."
I’m literally in the process of this right now. All I was doing was a tuneup to pass smog and now I’m doing the oil pan gasket.
Was just removing the plastic front bumpers and now my radiator is off 🤦♂️
Can I thumbs up this video 10 million times?
Many thanks Tim. I'm on my umpteenth 4.0L (literally lost count) and I've been lucky enough to never have had a rear main leak and need replacement.
This video shows me that it's very much a DIY job unlike what countless people say.
Again, 10 million thumbs up to this. It was awesome. 👍
Total jeep noob, love this channel. Got this done today, first time i did a relatively major project on a vehicle, far easiser than i expected it to be, just spent like 30 minutes lightly tapping the upper seal with a punch to make sure i didnt scratch anything. This video was extremely helpful. Yall are awesome.
Question for you… did you have a 4WD and do with axle in or did you pull out? I am about to face this job and trying to get all the parts needed for rear main, oil pan gasket, and anything that may break along the way. Please let me know what worked best for you.
@@mcphotonow3791 I didn't even have my jeep jacked up for this back when I had it, just laid underneath and went to town in a barracks parking lot haha. granted I did this on an 89 wrangler YJ, but they use the same parts so it should be the same for you.
@@joshuaevensen7647 Thanks, sounds like axle in or out is just fine.... I may be borrowing a buddies lift so hopefully it's a simple drop the pan, girdle, replace seal, clean surfaces and lay some RTV down. I did hear something about placing RTV in a spot to cover an inlet hole near rear main on purpose to prevent debris.... are you familiar with that? Trying to find as now just waiting on parts to arrive and reviewing job.
This video was very informative. I appreciate you taking the time to break everything down step-by-step. A lot of automotive videos tend to skip steps here and there, leaving out the visuals needed to take apart certain things out of the vehicle. I’m glad you took the time to show the whole process. Thank you!
Your videos keep improving. From camera angles to editing to instructional voice over and narration, all are very well accomplished.
I have never done a rear main seal but should the need ever arise, I now know not to be intimidated by the task.
Thanks again to everyone who had anything to do with the production. And please keep these great "How To" videos coming.
Great video, really appreciate your no nonsense approach. I used it as a guide to replace the seal and gasket on my 2000 Cherokee Sport in Feb. Unfortunately a sheet of black ice ended her life, but I was lucky enough to find her 2000 Classic twin and she needs the same maintenance. I am grateful for your video as a refresher.
GREAT video! Not looking forward to this project, but can't afford to pay someone else to do it. Feeling much more confident now! Thanks for taking the time to document the whole process.
How did your's go? I am about to do do the same.
Outstanding work on the video! I have a rear main seal out in my vehicle right now and I feel confident in changing it rather than replace a perfectly good vehicle or paying someone else a vast treasure of $$$ for a job I can do! Thanks! Also great video quality and you did an outstanding job in the tutorial- no sidebars or commentary about yourself or problems with 'other people'; just straight, task-oriented commentary !
Awesome video as always guys.
My rear main and or oil,pan is leaking and it's good to know from reading others comments that I don't have to remove my entire axle although I'm sure it would make it a breeze, and now I wish I would have done my rear main while I was doing my lift kit but I wanted to knock out my lift in one day....took ten hours.
I really enjoy your videos and I wish I had a shop like yours instead of a darn parking pad.
Thanks much, greatly appreciated. This is one of the major maint items I get to do this winter- Another is replacing my in-tank fuel pump, for a 94 GrCh. I've never done the fuel pump, but watched many, and have help available if needed. Thanks again-
Thank you for taking the time to film this, this is something I may have to do in the near future and so far this video is the best. You guys are the best.
Whenever i need something done on my jeep i always seem to find that you have a video for what ever it is. Thanks a lot! Rear main seal seems a bit more involved than i was hoping but thats okay. Gotta get it done!
So happy to hear the rear main can be done without removing the trans. I had a throw out bearing go bad and replaced that...the rear main was fine then..probably 2000 miles ago NOW the rear main decides to start leaking...go figure...im do for an oil change so looks like I'll be doing both as you just did..thanks for the video always a HUGE HELP... thanks guys
Just finished this job on my YJ 1995, I would never have attempted this without your video and another good one I found on You Tube, my next projects power steering pump replacement, possibly steering gear box, and the one that scares me the most axle seal leaking on the driver side. Thanks a lot!!!
Video was clear, not shaking, well lit and good comments throughout. Well done... enjoyed it.
Thank you so much for your videos. I performed this task once before by watching another channels video. Long story short. I had to do it again. I followed your instructions and it worked flawlessly. Thank you again for all the wonderful content.
I recently purchased a cheap heep from a friend of mine just to get into XJ's with my niece.... had a leaky RMS... followed this vid's instructions and everything worked out just great.... I have a short arm kit with 6" springs and nothing was required to be removed in order to remove and install the oil pan.... Thanx Bleepin Jeep... quality vid's, good info, great style, and sometimes even some comedy... .. P.S: if your doing this job soon, make sure to check your oil filter adapter as it can leak enough to make a guy think he has a bad RMS.... I know from experience ;)
This video was super helpful! i was told i was going have to pull the trans and alot of other stuff. Everything explained in this made it alot more doable
My 88 xj was a bear to get the oil pan off !! It was no joy to get the pan gasket off either !! Somewhere I saw a guy rip his pan out with a chain tied to a 2nd vehicle !! Crazy !! I ended up needing rod bearings. The mains were good. Used the Felpro oil pan gasket. Loved the studs that come with it that holds the gasket and the pan into position so my hands were free !! Pricey at $25, but worth it and some report reusable too !!! Thanks so much Bleepinjeep for your helpful videos. They make all of the difference in getting my 2 recently purchased beaters, back on the trails !!!
Great Job Tim. Precise info and to the point. Will be helping my son to do the same this weekend. Thanks for your time and info. Agree with Mr. Bradley Thomas, I'll attempt the job with the front differential in. Sounds like Jason Douglas has done it a couple of times. Will give ourselves plenty of ground clearance. Thanks all.
This is the best video showing repair of the rear main seal and oil pan gasket. Focused on the task at hand, clear and professional presentation. Thank you.
thanks for watching!
I just did my own oil pan gasket and rear main seal. To get the oil pan out with the axle still attached, you have to:
1. Remove the starter
2. Undo all your bolts
3. Jack up the front of the vehicle (or let it hang) so that the suspension is at full droop
4. Remove the oil pickup (two bolts)
Then the oil pan should come out under the transmission pretty easily.
If you coat the outer surface of the upper seal with dish soap and the inside surface with engine oil, you can push the seal in entirely by hand and you don't have to worry about damaging the seal by hammering it in.
Also, the Haynes manual uses RTV much more sparingly and specifically warns against using RTV on the top of the bearing cap. I suppose that it's more of a personal preference how much scraping that you want to do the next time that you have to do this job (hopefully never).
@steve hair..I realize it's been a year since you posted this but...was your Jeep lifted or stock? I just bought a 94 and it still has the stock rims and hub caps!!! definitely no lift! Hope you're still out there!
Wow, it has been a year ago. Let me just say that doing the oil pan gasket is the greasiest, dirtiest, nastiest job that I've done on my Jeep.
i only wish i had 4 hands 2 do this job!!
The reason MOPAR does not recommend the use of RTV on the top of the bearing cap at the seal is that it will not squeeze completely out from the two machined mating surfaces. This will change the crush on the bearing shells and oil clearance. This is why the rear main seal half for the cap is made with the "ears" and slightly raised above the cap's mating surface so it will make positive contact pressure with the half-moon piece in the block without affecting the bearing.
Of course he'll have to do this job again. It's a Jeep 4.0. That seal design is terrible. My previous seal started leaking a couple of years after replacement, and is now bad enough that oil loss is too great to ignore it. I will be re-doing this job. Again.
I have a '92 Cherokee & '04 Grand Cherokee. I see dripping of oil from both vehicle oil pan gaskets near the front, right near the serpentine belt. Your video has given me much insight and education for the task at hand. Very much appreciated! Wish I had the axle off but I think it can still be done.
Excellent video, they were clear well framed and had good lighting. Also your commentary was to the point. I look forward to watching many more of your videos.
N
Great Video! Just finished my rear seal and oil pan gasket. The mopar gasket guides help a lot for installation.
I love this channel! You literally seem to post videos just days before I do stuff to my 89 jeep. Planned on doing this on sat 5/23/15 thanks for this video now I know what to expect!
Update: Rocked this job out using this video as a guide and it was super helpful. Did it with the axle in. Thanks again. I know this was done (looks at the date), dang 6 years ago in 4 days, but great video. I'm looking at tackling this job in the very near future and a bit hesitant. But in truth everyone @BleepinJeep has taught me a lot over the years with my 1999 Jeep Cherokee Sport 4.0. Kept it on the road for at least the 17 years I've had it. You guys haven't done me wrong. This'll be the bigger of jobs I've done, so we'll see how it goes. What I am looking at is those jack stands @5:24. Those are sweet. How did you guys get the Jeep up that high? I've still got all stock on my mine so I don't have a head start with a lift or anything. Great work!
Great video, changed the rear main and sump gasket on my 94 Cherokee on the weekend and your video helped heaps,
thanks again
4.2 is getting bad and other videos were garbage... Thanks for the quality and fantastic content. You hit it out the park n now I'm confident in my ability to knock this repair out.
solid work! I could have used this video 2 yrs ago when I paid a garage to replace my rear main. Keep it up!
I did mine in my 91 Wrangler 4.0 no problem with the axle in. Also best off to use a brass drift when pushing the top half of the seal in. Only problem I had was one of the oil pan bolts snapped of where the pan goes around the oil pump. I believed this happened when I used an air ratchet.
I was also told to use anerobic sealant on the rear main as it dries in the absence of air. I don’t believe I used RTV on the oil pan gasket and it did not leak.
Good Video.
Very good video and professional at that.
Keep up the good work. Easy to watch, no camera shake with to the point narration.
Thank you.
Great video. I'm getting ready to do the rear main seal in my Jeep, and this helped me a lot!!! You Rock!
Nice and detailed!! Good quality close ups.
These RUclips mechanics can get pretty annoying but this guy is easy to listen to, I wish he taught me high school haha.
You guys make everything look so easy. I am going to do exactly that as soon as I get my part!! Thank you.
I'm ordering parts from Amazon to do this job. Great video!! Never done it before but your video was good enough I'm pretty sure I can do it myself. Can't think of a better compliment. Very well done.
That was a super video! Thanks. Have to replace these on a 1955 GMC 100 that I recently purchased. I know it's not the same, but still learned a lot from this. Thanks.
Thank you guys for making this video. It's about time to change out the oil pan and rear seal gasket in my 01 TJ, so this will be on in the garage!
Very Helpful.
Just did my 01 Grand Cherokee. it has different looking seal on the bottom of the cap, probably changed some design on the last models of 4.0 engines.
Easy job even with axle on(im on 3" lify though).
Fantastic video. The missing takes didn't seem to be very critical to getting a good feel on whether or not I can tackle this myself. After watching the video, I can say I'll be adding this one to my to do list. Thanks again
Getting ready to put a new clutch in my TJ. Figured since I'll have the trans out, I may as well pull the oil pan and replace my rear main seal. Glad I found this video!
Outstanding video! Well light, and narrated perfectly. The parts left out are ok. If you are proficient enough to work on your XJ and attempt this then you will know the ifo for the gaps. well done.
Im happy to see this, because I dread hearing "Rear main seal leak!!!"- little leak, hard fix. HOWEVER, thanks for the great vid! I'm glad to know you don't need to drop the trans to do the seal! I feel like i can actually do this!
Great job guys, super clear and it's applicable to Fords and Chevys too. Thank you.
This is by far the best vid on RUclips on this job...Also very helpful if you are just changing an oil pan and/or pan gasket. (like the pan I bashed in on my '06 LJ) By all means, remove the exhaust from the manifold and remove the starter right at the git-go. It will simply make things easier. I highly recommend trying to get your manifold to exhaust bolts out first.. Maybe even as a separate job, just so you can be sure they can be separated without destructive means. It would suck to get everything drained and ready to go just to find out you can't get the exhaust out of the way. Removing the front axle is not absolutely necessary, but hey: Knock yourself out. Putting the vehicle up on jack stands (somewhere other than under the axle) will let the axle drop a bit and give a bit more working room. Big thumbs up for the FelPro gasket and snap-ups, too. I highly recommend.
Thanks for the info Tim, I would like to add something that i just discovered replacing my seal. Included in the Fel-Pro kit is a small piece of white plastic kind of shaped like a Popsicle. It is referred to as a shoe-horn. By inserting the small end into the opening for the upper seal section you protect the seal from damage. It only took me 2 seals to figure this out. My Haynes manual also said to use soap to aid in sliding it in. That was a charm! i was able to push it in with my fingers!
Over all a great video to cover the basics. I dropped my front end before i started and pulled the starter and the shield on the transmission(couldn't get socket in there with it in). I am replacing shocks anyway so it wasn't a stretch to drop it down, just wish I would have jacked it up higher to start! With the axle hanging I have to exhale deep to get under it!!!!
Yes, I saw a different 4.0 rear seal video that used Palmolive dish soap on the block & cap side of the seal. Also they used that shoe-horn to get the upper started then it went with fingers the rest of the way. Not sure why these have a leak issue but it looks like a regular thing every few years. Is there some special procedure to doing them so they won't leak again?
Just replaced mine today. I buggered up the new Mopar seal and bought a Fel Pro just for the plastic shield. I sprayed everything down liberally with WD40, and then put some motor oil on the seal. The seal slid right in by hand, and I only had to use a punch on the last 1/4".
Used motor oil, Fel Pro seal went in by hand, super easy.
Fantastic camera work and lighting! Definitely feel comfortable tackling this project on my ‘99 TJ.
Thanks for this video! Just did my oil pan, rear main seal, and oil pan gasket today. This was very helpful to know what I was getting myself into before I did it. Used it as a reference throughout the project as well. Thanks again!
How hard was it ? Did you have the axle removed ?
Question for you… did you have a 4WD and do with axle in or did you pull out? I am about to face this job and trying to get all the parts needed for rear main, oil pan gasket, and anything that may break along the way. Please let me know what worked best for you.
This saved my rear when my wife had a Jeep with the 4.0. In fact, this whole channel saved my rear with that Jeep. A buddy and I were tell about 1 in the morning trying to do this job. But it got done and never had another issue. I kinda miss that Jeep.
How did you get the pan out? I can’t seem to get the muffler to move.
Fantastic video ! Very well done. Thanks for taking the time to make it.
I need to add really tall jack stands and a bottle of Makers Mark to my shopping list ( for after )
You guys are awesome!!! Thank you for uploading this educational video!!! Now it is my turn to change my oil pan / rear main seal!!
Awesome video - I’d never go through this trouble typically but my axles are out getting built so may as well!
Great video! Super helpful for fixing my rear main seal and oil pan gasket.
I was just explaining this to a friend this weekend, this video just got forwarded to her. awesome to have a visual to forward rather than my poor explanatory yammering
Thanks for the video, got my 87 wagoneer limited on the road today thanks to y'all
Thank you. Thank you. Thank you. Thank you. I literally just discovered that I need to do this on my 89 Comanche. Can't believe the coincidence that you guys just posted this video. I would not have considered removing the axle - good idea. Thank you again.
Joshua Bushared It made it way easier and it may have been impossible to film this decently with the axle there. But as mentioned I was doing the axle swap anyway so that's really why it was pulled. - Tim
Outstanding video, I am currently doing mine. Unfortunately I do not have the luxury of removing the front axle. Thanks for the video, as far as I have seen your video is the best. Keep up the good work!
I have front axle in the way. Is it super hard to do with that in mind?
nice video dude..I just had my rear main seal and oil pan gasket done... now I got to find an oil filter housing... thumbs up friend... Thanks for the info...
So glad I watched this first. I am going to return the seal that I just bought and wait until this really needs to be done. Sounds like a nightmare with the axle in the way.
nice job with this video --that will be handy for a lot of folks one thing I learned on my FJ and im not sure if jeeps do this but make sure the lip surface of the pan is nice and flat and not convex or concave --if so you can hammer it flat (gently) with a body hammer or mallet and a flat bar. this might not be necessary with that lube locker gasket but just in case. I wouldnt do this on the curve front and rear parts just along the sides
Well done man, great job. I know it's not easy as it looks. Thank you for the video
Thanks for the video.It helped me to get it done with confidence...
thanks for sharing! your video is helpful and will save me some time changing my oil pan gasket
Thank You great video n informative. No worries about any missing vid we get it. The important stuff was whats needed. Ty
Doing this tomorrow not dropping the axle as it’s my daily driver but I think with a 4.5” lift I should be ok thanks for the vid I love your bleeping jeep vids keep up the good fight man
Excellent video, definitely need to do this to my '99 soon. Mine's not leaking too much but I want replace the oil pump while I'm in there. Bout time I'd say, especially since I just broke 200000 miles last week. Still runs like a top though. Again, top notch video.
I liked this video a lot. It really explained a lot of things. This guy is good. This is the first time for me doing this job.
One of the best instructions video I've seen ill be doing this this weekend
Super excellent video as usual y’all are awesome!
This was extremely helpful. Thanks!
Just bought my son his first vehicle a 98 TJ that I need to do this on! This video was just what I needed! Thanks
i want to thank you for making this video. I am right this minute replacing the clutch in my 2003 TJ..it's kind of a bear doing it completely by yourself. (clutch). Anyways,i noticed that my rear main is bad and having never done one before Ann going to change mine thanks to your video. Again..thank you.
I had a harder time than in the vid but you gave the courage to tackle it myself.
Very good video, great view of the process. Thank you.
Catching up on the videos,,faaaar-out mon! Me likie,, all of the bleepideos are informative!! All of you keep up the good work!!!😎
Thank you, it was very help...... I know now that it can be done without taking the whole crankshaft out, and I think you covered all the important points, so i'm relieved and confident that I can tackle the job myself. Thax again, you made it kook easy
Tim, another great video. Thanks for posting. Your hard work and planning shows through. I know it's kind of fun to make good repairs on your jeep (mine is also a white 96 xj), especially when it turns out well. But I can tell you are patient in setting up shots, lighting, and I can tell you write out an outline that you narrate from. It really shows hard work. I used to work as a camera assistant in Hollywood. Back then, it was all film, no video. You can't use too many lights in film. They really help with depth of field when you are showing small details. Video is similar, but not the same. Funny thing, when we shot with film, you had to send the film off to the lab and wait a day for results. You would not be able to see your work until the next day by watching "dailies" (daylies) alongside the director, producers, production managers. Studios and labs have a private screening room for that. If you missed a shot, you wouldn't know 'til right then. Maybe. And then you'd be looking for work...Thanks again.
Arthur Botham, Jr Interesting. Thanks! - Tim
Awesome info! I just bought a 2003 tj and it's a mess underneath. I'll be tackling this over the winter!
Excellent video. I have a 1997 Cherokee Sport 4X4 with a slight leak in the pan/rear main/ transmission pan. This information will be extremely helpful.
Great video! Thank you. Bleeping Jeep is awesome.
great, short video. thanks for making sense of where to apply rtv for the oil pan gasket.
Best video on RUclips showing how to. Thankyou from Australia
this is by far the best page on RUclips. Well done!
+Tanner Rienbolt We appreciate that, thank you! - Tim
I second that.
Me too! new to the XJ world and these videos have saved me tons of time!
Thank you for an informative video.
I’m about to tackle this project on my ‘94 YJ.
Good job, I would add that it is important to clean and oil the main bearing before you reinstall it. Just oil no need for assembly lube. Thanks for a great video.
Thanks bro cant wait to do this on ma ZJ. Keep jeeping and love your green xj
Helpful video, thanks. This will be my weekend job after I secure the parts. Thanks, well explained and recorded.
With a 4 inch long arm lift I didn't have to take off my axle. The droop alone was more than enough room to work so smaller lifts may be able to do the same thing. I used a wood chopstick to tap out the seal and to tap the new one in. Prevents marring any of the metal surfaces. I also used a small curved dental syringe to push oil up into the cavity before I slid the new one in place, but I used brake cleaner to clean out the cavity first. I also used a chopstick to clean out the prior person's crappy RTV job that was stuck to the contact surfaces. I made sure to apply a small film of RTV where the seals meet each other. Center the upper seal so you have an equal amount extended on each side of the cavity. You want both sides to sit well after the cap compresses the seal. Hasn't leaked a drop in 6 years.
The prior two main seal replacements I paid for were total crap jobs and pushed me to do it myself. It's actually not a hard job, just clean the surfaces well, take your time and it will go smoothly. I also ordered two Fel-Pro seals in case I jacked up the first one. For the price it's cheap insurance. Hope this helps somebody.
Thank you so much! As an owner of two jeeps I'm sure this will come in handy.
Great video. Thank you. Very relieved to learn that I DON'T have to pull the motor or the trans.
Been putting this job off for years, thanks for the vid.
So y'all like Charlie Daniels out west? That's new to me. Good video dude. There is an Instant gratification when you complete this job. Thumbs up!
I’ve done a rear main on an AMC V-8 and it’s pretty much the same deal. One thing I did differently was smeared a tiny bit of soap on the top half of the seal. It lubes it up so it feeds easily around the crank.
I really needed this video thank god. There's others on yu tube but they're jut not bleepinjeep quality
Alex Ottomano so true!
Great Job, Just the information I need to fix my leaky Jeep.
Great photography and lighting preparation.
Awesome and very instructional! I'm not much of a mechanic, but I think even I could do this.
Thank you for the helpful video!!!
Great job, thanks for posting this!
I going to do this job tomorrow! Thanks for the great vid