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  View original topic: How to make the engine tin seal stay sealed
lewis71bug Thu Mar 27, 2025 5:54 pm

New seal, original tin, but in a few spots it will not seal






Any tricks to make it stay? I’ve worked with it for hours now, can get it in place but in no time it pops back like in the pictures.

Glenn Thu Mar 27, 2025 6:01 pm

Aftermarket rubber that been folded for a long time will not hold it's shape.

busdaddy Thu Mar 27, 2025 6:19 pm

Or pulled too tight, if you stretch it as you pull it in it sometimes does that.

OldSchoolVW's Thu Mar 27, 2025 7:41 pm

Lower the engine, remove the stock seal, raise engine and use a late bus seal.

https://www.wolfsburgwest.com/cart/DetailsList.cfm?ID=411813225

Easy to install, seals much better IMO.

From Tim Donahoe's gallery:




Cusser Thu Mar 27, 2025 8:12 pm

In 2017 I installed JBugs #111-705D, VW Rear Engine Seal, Each, Beetle, Super Beetle, Karmann Ghia & Thing 1967-1974 in my 1970 sedan, was fine.


BIGMIKEY Fri Mar 28, 2025 8:47 am

Stuff a length of fuel hose up under the seal. It will spread the seal open and push the lip out so it will hook under the tin lip. Taking the rear tin off makes it easier. I may have used some upholstery glue to hold it in there. Worked for me when mine had that same gap.

Mike T

Root_Werks Fri Mar 28, 2025 10:42 am

Glenn wrote: Aftermarket rubber that been folded for a long time will not hold it's shape.

I agree, some of the aftermarket seals don't have quite the same dimensions or fit of originals.

It's already been mentioned the seal might have been pulled too tight when installed. If you can sort of bunch it or squish it, it gives more "length" to the "J" part that hooks under the tin.

lewis71bug Sat Mar 29, 2025 6:33 pm

BIGMIKEY wrote: Stuff a length of fuel hose up under the seal. It will spread the seal open and push the lip out so it will hook under the tin lip. Taking the rear tin off makes it easier. I may have used some upholstery glue to hold it in there. Worked for me when mine had that same gap.

Mike T

I might try this. I'm also trying to warm it up some to see if it will "relax" a little.



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