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Old 05-18-2019, 02:30 PM   #6 (permalink)
mp06011999
Diesel Mythbuster
 
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Join Date: Sep 2005
Location: Vegas
Posts: 6,163

FWIW...

On my 2006 that seal has seeped since it ran out of warranty. I replaced it when I did the TC pump rub fix proactively. That new seal began to seep in about a year. The fluid when full will be high enough to sit against that seal when the truck is sitting level. When about a 1/2 pint low it won't.

My 1990 K1500 seal always seeped from new. Dealer replaced it 4 times and me 2 or 3. It never stayed dry.

I've learned to check the TC level often and when the seep becomes a leak creating persistent drops, I replace. But I gave up expecting a 100% seal.

And yes, the seep is where the seal (rubber and spring) meets the yoke.
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Last edited by mp06011999; 05-18-2019 at 02:33 PM.
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