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Ovalrace25

1963 Avanti Rear Main Seal - HELP PLEASE!

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Rear seal is leaking. Not the oil pan, It is the main seal. QUESTION - Is this a ROPE SEAL? does it have a PIN in the block that hold it? Can I roll in a replacement? Is there a neoprene type seal available? YES, I want to do this in-car-- pull pan, roll in a new seal and back together...   COMMENTS?   HELP??? 

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Posted (edited)

No, not rope - it is a Brummer style seal.

 

No pin that holds it in.

 

Yes, you can roll in a replacement, but the shop manual says to loosen the main bearing caps some to drop the crank down a little.

 

The available seal is a rubber type, go here to see it (scroll to bottom of page): https://www.studebakerparts.com/studebakerparts/store/s/agora.cgi?product=engine2&cart_id=7796.988566

 

A lot of work to replace the seal with the engine in the car. Make sure it is really the seal leaking.......an oil leak more forward and up higher can look like a rear seal. For example, there is a small gasket under the distributor which will cause a leak if it's missing. The valley cover gasket can leak and find its way down to the bottom of the engine. If the fuel pump seal is bad, oil can come out the weep hole and get blown back by the fan. The line to the oil pressure gauge should have a flexible hose connected to the rear of one the heads that can leak if it's old and cracked.

Edited by r1lark
clarity (see edit history)

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Simply Google (Replacing rear main seal on V8 Studebaker) and you get plenty advice.

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