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post #1 of (permalink) Old 12-24-2002, 06:52 PM Thread Starter
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78 258 still spitting oil after new rear seal

I finally replaced the leaking rear seal (bits all over the flywheel). However I still have a leak. Instead of just pouring straight down as before it now appears to be spitting out towards the passenger side. The seal looked pretty much foolproof, granted it is the only one I have ever done. One of the guys holding beer for me while I was doing it suggested the "shaft was worn". But as his mechanical ability is right up with mine that was all he knew/had heard. I'm assuming he meant the shaft between the transmission and the engine. Does this sound reasonable and, if so, what can be done about it...

Any help would be appreciated as I think it will have to go to someone and I'd prefer to have a clue (or several actually [img]images/graemlins/crazy.gif[/img])

Thanx in advance
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post #2 of (permalink) Old 12-24-2002, 10:22 PM
 
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Re: 78 258 still spitting oil after new rear seal

"A little knowledge is a dangerous thing " Especially when you take something to someone to fix.
.Hypothetically
if you take it to a shop and say "fix the seal" and they do and it still leaks, they can say YOU said to "fix the seal" , not stop the leak.... If you take it to a shop, tell them to fix the leak.
Are you sure it wasn't leaking from the Valve cover gasket down the back of the engine,a pretty common problem for jeeps ...258 ' s..I am not positivley sure about this but I don't believe there is any way for bits and pieces of your rear main seal to get onto your flywheel..

I just noticed you are talking about a 78 ...are you sure it is not excessive crankcase pressure (Blowby) caused by bad rings or a clogged PCV valve,hole in the piston. that will cause it to leak from all over the engine wherever there are seals,or no seals.
If you have oil in your air filter it may be time to kiss that engine good by.or rename it the EXON Valdeze.
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post #3 of (permalink) Old 12-24-2002, 11:46 PM
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Re: 78 258 still spitting oil after new rear seal

If you put it in backwards, it'll leak like a screendoor. Are you sure the seal was oriented correctly? ...just a possiblity [img]images/graemlins/grin.gif[/img]
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post #4 of (permalink) Old 12-25-2002, 02:43 PM Thread Starter
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Re: 78 258 still spitting oil after new rear seal

No oil leaking anywhere else... the PCV is good and the valve cover (a early 90's Clifford (the one with no baffle) isn't leaking down the back. I guess my description was a little graphic... the old seal basically looked like it came apart.
thanx
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post #5 of (permalink) Old 12-25-2002, 02:49 PM Thread Starter
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Re: 78 258 still spitting oil after new rear seal

I didn't think I could get it in backwards. Didn't look like it. Slid right in. It looked pretty foolproof but apparently not "me" proof. I guess I will assume that I did manage to get it in backwards... It's what I get for trying to do it on the gravel in mid December... Thats that till March or April then...

Thanx
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post #6 of (permalink) Old 12-25-2002, 02:53 PM
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Re: 78 258 still spitting oil after new rear seal

1. IMHO not many people can get that seal in correctly the first time.
2. Buy another one.
3. Replace the first seal.
4. You'll be able to do it in half the time.
5. And have leak proof results.
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post #7 of (permalink) Old 12-25-2002, 04:33 PM
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Re: 78 258 still spitting oil after new rear seal

6. Use soft tools to push the seal out, plastic or soft metal. One guy here nicked the journal replacing his.
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post #8 of (permalink) Old 12-27-2002, 09:54 AM Thread Starter
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Re: 78 258 still spitting oil after new rear seal

Thanx again for the advice everyone. I will try again after the snow melts [img]images/graemlins/crazy.gif[/img]... As of yesterday morning the unit is "just" visable thru the snow out back (or at least the orange tarp is)...
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post #9 of (permalink) Old 12-27-2002, 12:09 PM
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Re: 78 258 still spitting oil after new rear seal

</font><blockquote><font class="small">In reply to:</font><hr />
<font color="red">If you have oil in your air filter it may be time to kiss that engine good by.or rename it the EXON Valdeze. </font color>

[/ QUOTE ]

I was reading this topic and thought UH-OH. I have noticed that I have oil on my air filter but I never seem to use any, well not since I replaced the tappet cover gasket. Could this be oil that is left in the air intake from some previous problem or do I really have a problem now?
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post #10 of (permalink) Old 12-27-2002, 12:25 PM
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Re: 78 258 still spitting oil after new rear seal

</font><blockquote><font class="small">In reply to:</font><hr />
Could this be oil that is left in the air intake from some previous problem or do I really have a problem now?

[/ QUOTE ]1. This is a $1000 question.
2. It's like which came first, the chicken or the egg.
3. All you can do is take ALL steps to define the difference between:
a. Blocked/clogged Valve Cover Vents.
b. Worn rings/blowby.
4. It's as valuable to know what's NOT wrong as it is to knwo what is wrong.
5. It all narrows down the problem.
6. Try:
a. Remove and clean out the valve cover and it's baffles.
b. Clean out the air cleaner and repalce the filter.
c. Do a compression test, dry, then wet.
d. Replace the PVC and the vacuum lines to the air cleaner.
e. Install a puke jar between the PVC and the air cleaner.
7. Then drive a while and see how it's working.
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