My Pontiac gto is leaking antifreeze but only when I shut it off???

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I believe it could be the overflow tank due to the fact that it no where else has moisture coming from it and I've seen it before when I put to much coolant in it. However I'm not sure any suggestions??

Jakep1791 in Fort Knox KY

Feb 19, 2016

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What are the best Pontiac repair shops?

RepairPal Certified shops can diagnose and repair your 2006 Pontiac GTO. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.

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What is your question?

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My Pontiac gto is leaking antifreeze but only when I shut it off???

What is your question?

Jakep1791 in Fort Knox KY

Feb 19, 2016

1 Reply

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stevieray1on Feb 19, 2016

only fill to the FULL line,and don't overfill it.if it is not the reservoir bottle leaking,then have a pressure test done.

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Popular Answer

What are the best Pontiac repair shops?

RepairPal Certified shops can diagnose and repair your 2006 Pontiac GTO. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.