I have no heat when driving fast

Asked by Brandon Feb 08, 2020 at 08:24 AM about the 2003 Chevrolet Impala LS FWD

Question type: Maintenance & Repair

Idling I have heat. Driving I have no heat.

2 Answers
41,230

TDolby answered 4 years ago

I would check your coolant level first. Do you have any leaks in the system?

Mark helpful
40,005

beatupchevy answered 4 years ago

Could be an air pocket in the system , does the temp. gauge reach operating temp. and stay there ? If not the thermostat could be bad , some are junk out of the box so you may want to buy OEM then you won't have to deal with the nonsense I had to with cheap parts ,

Mark helpful

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