Mechanics

PONTIAC MONTANA HEATER PROBLEM

2003 Pontiac Montana • 150,000 miles

Heater will blow cold air and sometimes it warms up, but mostly cold, what could be problem
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Guest
November 10, 2012.




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
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Hmac300
Nov 10, 2012.
I think your water pump is needing replacement as this was the problem same problem that I had


Tiny
Johnviallet
Nov 19, 2012.

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