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Join Date: Nov 2012
Location: Northern Wisconsin
Re: Big Block rear main seal question
I wanted to give an update about my leaking rear main seal and give Bill Koustenis a thumbs up for taking the time to give me help and advice on getting this fixed! Thanks Bill ! Your help was very much appreciated
The last posts I found the seal was bad and that seemed simple enough....just replace it. Well it didn't go that smoothly. I bought a hi performance Viton rear main seal. I followed the instructions and guess what. It still leaked. I used a small amount of sealer on the ends and offset them as instructed. I also used a anerobic sealer on the main cap mating surfaces. Put it on the run stand and still leaking! Being that I had it on the run stand I could actually see where it was leaking so I knew exactly where it was leaking....Rear main seal ! Still
Getting pretty frustrated but determined to get it right , I tore it down again and this time, stock type Fel-Pro blue rear main seal, no sealer on the seal ends and no offset. I still used the anerobic sealer on the cap mating surfaces. Not sure if it was all or some of the changes but it worked and after running it on the stand tonight....No leaks !
"... the very powerful and the very stupid have one thing in common. They don't alter their view to fit the facts, they alter the facts to fit their view." Dr. Who, 1977
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