2007 chevy cobalt issue

Asked by Jeff May 12, 2023 at 08:45 AM about the 2007 Chevrolet Cobalt

Question type: Maintenance & Repair

My 2007 chevy cobalt is overheating... I have replaced the
water pump, thermostat, coolant cap and all the sensors.
Any ideas on why its still overheating?

2 Answers
310,255

Gene answered about a year ago

Coolant flow restriction, radiator plugged internally or fins blocked with dirt and bugs, internal engine blockage. If you loosing coolant but you see no leaks could be a blown head gasket or a cracked cylinder head.

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310,255

Gene answered about a year ago

Coolant flow restriction, radiator plugged internally or fins blocked with dirt and bugs, internal engine blockage. If you loosing coolant but you see no leaks could be a blown head gasket or a cracked cylinder head. Do the cooling fans run?

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