HEATER

  • Tiny
  • marshall35@fuse.net
  • 2005 Chevrolet Avalanche
  • V8
  • 4WD
  • 180,000 miles

Heater blows cold air for about 20 minutes before it heats up

Friday, December 3rd, 2010 AT 12:01 AM

1 Answer

  • Tiny
  • rasmataz
  • Member

Check the air blend door and actuator if okay could be coming from the HVAC control module itself

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Friday, December 3rd, 2010 AT 12:14 AM

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