Car heater blows cold air still after changing my thermostat

Asked by Dec 12, 2012 at 12:11 AM about the 2002 Buick Rendezvous

Question type: Maintenance & Repair

hi i need some help please my car heater hasnt been blowing hot air just cold..every once in a while it blows hot but just lastes a few seconds and back to cold..we changed the thermostat on it bled it and still cold air..what else could it be?

2 Answers

37,335

Clogged heater core.

10 people found this helpful.
80

I am having the same problem. I turn on the heater and adjust the heater temps turner but the control just turns up to about 60 then will only go up to about 64 but if I stop and start my car some times the heater will start working. Any help would be appreciated.

8 people found this helpful.

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