2005 Pontiac Grand Prix Heater not working

Tiny
JOHNSON_82
  • 2005 PONTIAC GRAND PRIX

Heater problem
2005 Pontiac Grand Prix 6 cyl Front Wheel Drive Automatic 75000 miles

I am having an issue with my heater in my 05 Grand Prix. About 8 months ago while starting it, I had smoke coming up from the cowl and into the car on the passenger side. I parked the car till now an am trying to fix the issue. I have replaced the heater relay next to the blower motor and have also replaced the blower but still no heat. I had the switch replaced about 2 years ago. Any advise as to where to look next?

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Saturday, October 30th, 2010 AT 9:44 AM

1 Reply

Tiny
BLUELIGHTNIN6
  • EXPERT
  • 17,032 POSTS

Seems like heater core may be at fault here. That smoke was most likely coolant being blown from the faulty heater core.

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Saturday, October 30th, 2010 AT 9:48 PM

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