Coolant Leak from This Part - Pontiac G6 Forum
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post #1 of 3 (permalink) Old 08-05-2018, 06:14 PM Thread Starter
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Coolant Leak from This Part

Can anybody tell me what this part is?
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post #2 of 3 (permalink) Old 08-06-2018, 09:39 PM
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I think it is


Part Number 12592926

I purchased a replacement as I suspected it was leaking round the O ring. It did not help so I ended up using some gasket seal between it and the metal block which seems to have done the trick.

Last edited by boomer; 08-06-2018 at 09:42 PM.
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post #3 of 3 (permalink) Old 08-08-2018, 07:05 PM Thread Starter
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Thanks, that is what I came up with as well. It stinks, if yours still leaked. I bought the tube today at a local Chevy service center Part # 12590844 and hope it fixes it.
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