HEATER WILL BLOW COLD AIR AND SOMETIMES IT WARMS...

2003 Pontiac Montana

Tiny

Anonymous

November, 10, 2012 AT 7:49 PM

Heater will blow cold air and sometimes it warms up, but mostly cold, what could be problem

FOUND 4982 RELATED QUESTIONS

No Heat

37 ANSWERS
5 IMAGES

2 Answers

Tiny

hmac300

November, 10, 2012 AT 7:58 PM

Make sure hoses are both hot on heater when engine warm. Then you'll hav eto check actuator in heater box. Pic is of actuator but it shold be scanned to see what is wrong

Tiny

johnviallet

November, 19, 2012 AT 5:25 AM

I think your water pump is needing replacement as this was the problem same problem that I had

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