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Low heat

Tiny
2004 MONTANA
  • MEMBER
  • 2004 PONTIAC MONTANA
  • 2WD
  • AUTOMATIC
2004 montana, getting low heat output from cold start-after warming up, only 68,000 miles on vehicle. What's going on? No lights coming on, plenty of coolant.
Wednesday, January 5th, 2011 AT 12:29 PM

1 Reply

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Check your actuator in your heater box. There are 2. I'm sending a picture that is not of your car but will give you the idea. It controls air so it may not be opening giving you low heat.
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Wednesday, January 5th, 2011 AT 4:12 PM

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