why does it seem like my car is making an overheating noise but thermostat gauge doesnt show hot

Asked by lynn_38finney Sep 25, 2016 at 03:20 PM about the 1988 Pontiac Sunbird GT Turbo Convertible

Question type: Maintenance & Repair

my car sounds like it is overheating by making a bubbling noise when i shut it
off, but the thermostat guage does not show overheating

2 Answers
80

Robert answered 8 years ago

It's getting to hot probably losing the additives in the antifreeze causing it to boil . I would suggest having the coolant system flushed

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59,825

enginecreator answered 8 years ago

Head gasket failure, exhaust gas exiting out into the cooling system, Replace head gasket, get it pressure checked for cracks and if good have it resurfaced and use new gaskets.

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