6HP26 transmission leak

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Apr 13, 2026 | 08:46 AM

#21

Brian G

Senior Member

Joined: Sep 2024

Posts: 178

Likes: 44

From: Vancouver Island

Quote:

Originally Posted by RichardS

The green O-ring does sit in a shallow groove in the underside of the plug and, over time, it will harden and set into a flat profile. Did you try removing it as I suspect that it was simply an age-hardened O-ring.

Richard

I did not as I had a new plug in hand.

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