2015 chevy malibu overheating

Asked by fireguy85 Oct 24, 2023 at 10:30 PM about the 2015 Chevrolet Malibu 2LT FWD

Question type: Maintenance & Repair

car ran hot 5 days prior to this post, when I got to the car where my child pulled
of the reservoir was empty, filled with a whole jug of coolant, burped the system
got it up to temp and was fine. now 5 days later Childs car overheated again
when opened reservoir was empty again.. no obvious leaks anywhere I can
see. any ideas of what could be causing this

2 Answers
307,265

Gene answered 6 months ago

Blown head gaskets, crack in the cylinder head. DIY kit at any parts store or a shop can run the test. Is there coolant in the oil or oil in the coolant? That is a sure sign if it that.

Mark helpful
202,495

Ed92626 answered 6 months ago

Coolant either drips to the ground or blows out the exhaust through the combustion process. So if you see no leaks, it's coming out the exhaust in the form of steam due to a blown head gasket, cracked head, or damaged intake manifold gasket. Also, this is fouling the sparkplugs and causing misfires. Soon it will affect the O2 sensors and likely destroy the catalytic converter. I'd recommend you skip the self-testing and go straight to a good mechanic to prevent any further damage that could run into an additional thousands of dollars.

Mark helpful

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