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  #1  
Old 10-15-2004, 05:04 PM
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rear seal

exactly how hard is it to change the rear seal on my transmission? its leaking pretty badly and i need to change it. 1983 300sd

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Old 10-15-2004, 06:41 PM
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About 30 hrs of very hard labor. Trust me. I have done that job.
You cannot replace it without pulling the engine. The seal will is cheap, but it is a rope and the engine has a pin in the cap and in the block that drive into the seal. That means there is no way possible to get the old seal out and a new one in without splitting the engine case and pulling out, or at least lifting the crank away from the block.
There are a lot of details between here and there. Let us know and will sort out some stuff to do to get it right.
Best get set for a big job ahead.
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Old 10-15-2004, 07:17 PM
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With all due respect

Old Deis is spot on about the rear engine seal. Long job.

But the rear transmission seal is pretty easy. Probably take two hours total. Use jack stands, eh?
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Old 10-15-2004, 07:34 PM
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Rear trans eh? Thats what I get for not reading it all.
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Old 10-15-2004, 07:50 PM
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cant you just lower the tranny and remove the driveshaft and your right there? i dont see how i need to remove the engine to do it?
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Old 10-15-2004, 08:33 PM
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Mines leaking in the same place one day I'll fix it. But now I am enjoying the rust proofing that the atf offers. If you do it please report back if their were any problems or hang ups. Hopefully it is a simple few hour job.
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Old 10-15-2004, 08:35 PM
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Quote:
cant you just lower the tranny and remove the driveshaft and your right there?
That is pretty much how I have always done it. You will want the car on jackstands to work underneath it though.
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Old 10-16-2004, 04:18 AM
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Quote:
Originally Posted by Hatterasguy
Mines leaking in the same place one day I'll fix it. But now I am enjoying the rust proofing that the atf offers. If you do it please report back if their were any problems or hang ups. Hopefully it is a simple few hour job.
i dont need the atf rust protection plan. i already have the balck oil plan. :p i wonder if this will help in the snow?
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Old 10-16-2004, 04:20 AM
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Quote:
Originally Posted by engatwork
That is pretty much how I have always done it. You will want the car on jackstands to work underneath it though.

thats what i was thinking
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Old 10-16-2004, 06:32 PM
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Ahh the oil protecton plan. I don't have that one yet. But my trans cooler lines used to leak and they protected everything from the radiator back.

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