Question about 1998 Pontiac Grand Am
I would indeed fix the cam sensor issue, however it obviously isn't your overheating issue. I would be sure there is no air within the system. If you changed the head gasket it more than likely got hot before, and likely for the same reason that it is now. I would without a doubt change the thermostat now, it is good practice any time you do any kind of major over haul, especially for the price. Start the car up and allow it to get warm slowly pull the cap off and "burp" the system. leave the cap off, and rev the car up, with it revved up (and t-stat open) the level within the coolant overflow tank should go down. If not, your not circulating water. Changing the water pump is a bit of a project but not horrible. Let me know if changing the t-stat helps. Even if you did change it, do it again. Also this time drill a small hole in the flat steel ring probley 1/4" hole. This will help a small amount of coolant flow, helping getting air out of the system. Thank you for using fixya.com
Posted on Oct 07, 2008
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Posted on Jan 02, 2017
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