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
307,225

Gene answered 11 months 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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307,225

Gene answered 11 months 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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