Rear main seal replacement - Off-Road Forums & Discussion Groups
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post #1 of (permalink) Old 08-02-2001, 02:01 PM Thread Starter
 
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Rear main seal replacement

Once I get my project Sami down to my house I'll need to replace the rear main seal. Has anyone replaced one of these before? Is it easy? I'll be pulling the body off of the frame and swapping it with a hardtop body. so, I figured I'd replace the seal while I have the body off. I'm just looking for pointers, tips, anything to help me since I don't even know where this seal is...

AARRRRRRRG! 1987 Red JX 'vert, 4.5 BREEZE SPOA, SJ410 T-case (not sure how I like it), 29 Super Swampers (31 BFG M/T knock offs - eventually) AARRRRRRRG!
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post #2 of (permalink) Old 08-02-2001, 03:06 PM
 
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Re: Rear main seal replacement

Rear main seal is in the back of the engine under the flywheel. It is the seal that goes over/around the back end if the crank. It is a pain to replace. But if you have the body off and pull the tranny then you can get to it. I think(?) you may have to pull the oil pan in order to do it correctly. Replacing the actual seal is easy, pop it out and install the new one, put a new gasket on the plate that the seal is mounted in and bolt it all back up.

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post #3 of (permalink) Old 08-02-2001, 03:52 PM Thread Starter
 
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Re: Rear main seal replacement

I'm gonna get it running before I see where the leak is. The woman I'm getting it from said that the engine was leaking. I don't know where she came up with the rear main seal idea... My guess is that the valve cover gasket and distributor gaskets are the culprits...

Is rear main seal gasket failures common on Samurais or Sidekicks?

AARRRRRRRG! 1987 Red JX 'vert, 4.5 BREEZE SPOA, SJ410 T-case (not sure how I like it), 29 Super Swampers (31 BFG M/T knock offs - eventually) AARRRRRRRG!
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post #4 of (permalink) Old 08-02-2001, 04:44 PM
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Re: Rear main seal replacement

On mine it looks like the rear seal is going, but the distrib and valve cover leak oil all over everything and drips down onto the transmission and under the engine. I hope the rear is ok since I run mobil-1 synthetic now.. I've also got some of that lucast stabaliser in there..

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post #5 of (permalink) Old 08-02-2001, 04:45 PM
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Re: Rear main seal replacement

A buddy of mine just done his rear main seal the other night and he said it was pretty easy to do since he was going to change the clutch.and he did not have to drop the oil pan to do so.Good luck

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post #6 of (permalink) Old 08-02-2001, 06:26 PM
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Re: Rear main seal replacement

Yeah, the front seal is the one that almost always requires you to take the oilpan down (as they say in England -- too much time spent at the Stalwart site!). You will have to separate the engine from the tranny and remove the flywheel to get to it. Like everyone else has said, from there it's a snap!

Mine was okay at 128k but the front was pretty shot, so I replaced them both!

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post #7 of (permalink) Old 08-02-2001, 09:47 PM
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Re: Rear main seal replacement

Ahoy Captain! I see you are back to that old nasty habit of yours! I wish you would find something a little more constructive to do then blow seals! AARRRRRRRG!

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post #8 of (permalink) Old 08-03-2001, 02:06 PM
 
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Re: Rear main seal replacement

I've done it on a 1.8 and it really wasn't a big deal, just time consuming. I had to drop the tranny and remove the flywheel. Then, I just popped the seal out and drove the new one in.
Now, the front one's leaking, and the thing's only got 50,000 miles on it. Got a friend who has had a couple of seal failures also, so it must be a common problem.

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post #9 of (permalink) Old 08-03-2001, 04:35 PM
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Re: Rear main seal replacement

I don't think that he was the one with the blown seal!!
AAAAAAAARRRRRRRRRGGGGGGGGGGGGG !!!!
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post #10 of (permalink) Old 08-03-2001, 05:10 PM Thread Starter
 
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Re: Rear main seal replacement

I wasn't going to go there but since I have Rob's support...

AAARRRRG! T'was not I with the blown seal there matey! And, 'tis not I who blew this seal! This one came to me already blown!

AARRRRRRRG! 1987 Red JX 'vert, 4.5 BREEZE SPOA, SJ410 T-case (not sure how I like it), 29 Super Swampers (31 BFG M/T knock offs - eventually) AARRRRRRRG!
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