Having problems with your 2007 GMC Envoy Denali ?

My gas cap keeps loosening up on my 2007 envoy denali

\015 Light comes on frequently because of the fuel cap loosening. I have had the dealer check and it still comes off. What a pain!!!\015 Posted / edited by AnonymousUser on : 19-03-2018

Answers :

Anybody tried rubbing a sticky substance on the "O" ring of the cap? I don't care if it's a candy from a kid, it's worth a try. Clean threads of filler with alcohol real good before too. I'd try taking the cap off, and roughing the threads up with rough sandpaper too, just to give it more bite. Blow threads off good after.
Repair Help & Product Troubleshooting for 2007 GMC Envoy Denali

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