79 CJ7 3 spd trans - JeepForum.com

 
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post #1 of 4 Old 09-08-2006, 01:21 PM Thread Starter
tmsadillard
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79 CJ7 3 spd trans

I have an oil leak thats seems to be coming from where the transmission is connected to the engine. Can someone who has had this problem tell me what my repair options are?

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post #2 of 4 Old 09-08-2006, 08:13 PM
Pacfanweb
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My first thought is the engine's rear main seal. Either that or the input shaft seal on the trans.
Possible the oil pan, I guess...don't see what else it could be besides those three.
I have a friend's 79 CJ-7 in my garage right now that I'm converting to an auto trans, and it has a rear main leak.
It had the 3-speed before I changed it.
As far as repair options, if it's the trans input seal, the trans has to come out to replace the seal.
Oil pan, I think on most engines you can do that with the engine in the vehicle.
Rear main...you didn't say what engine it has. That one could vary, and maybe someone else knows about all the engines.
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post #3 of 4 Old 09-08-2006, 09:55 PM Thread Starter
tmsadillard
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Thanks. I received 3 quotes today to replace the rear main seal. Two quotes are for $250 and one for $1,000.

I believe I have a 258 straight 6.

Please let me know more about the switching from manual to automatic. I want to do the same.
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post #4 of 4 Old 09-09-2006, 01:25 AM
Pacfanweb
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Quote:
Originally Posted by tmsadillard
Thanks. I received 3 quotes today to replace the rear main seal. Two quotes are for $250 and one for $1,000.

I believe I have a 258 straight 6.

Please let me know more about the switching from manual to automatic. I want to do the same.
I plan to post a thread about this project when it's done, which will be soon.

I've been taking pictures all the way through, so I'll post them, too.
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