Car overheating

Asked by GuruTFMVR Jul 20, 2018 at 07:03 PM about the 2003 GMC Envoy XL SLT 4WD

Question type: Maintenance & Repair

My car still over heating change the pump the thermostat
and the rediator and the cooling sensor and still does
overheat

1 Answer
65,590

firebird338 answered 6 years ago

Try bleeding air from system like this. Remove cap from overflow tank fill with antifreeze to full mark leave cap off and start vehicle and let idle you will notice level in tank will start to rise this is normal once thermostat starts to open level in tank will drop add more antifreeze to full mark then put cap back.

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