low heat

2004 PONTIAC MONTANA
2WD • AUTOMATIC
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2004 MONTANA
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  • 1 POST
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.
Jan 5, 2011 at 12:29 PM
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HMAC300
  • ✓ASE Certified Mechanic
  • 48,601 POSTS
  • ASE Certified Mechanic
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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Jan 5, 2011 at 4:12 PM
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