heater

2006 GMC ENVOY
94,000 MILES • 6 CYL • 4WD • AUTOMATIC
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ALFREDJONES
  • MEMBER
  • 3 POSTS
2006 gmc envoy my heat works but only blows out of the top and bottom but not the vents
Nov 30, 2010 at 6:13 PM
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ALFREDJONES
  • MEMBER
  • 3 POSTS
heater works bloes from top and bottom but not the vents
Nov 30, 2010 at 6:15 PM
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ALFREDJONES
  • MEMBER
  • 3 POSTS
2006 gmc envoy heat works but only blows out of top and bottom but not thr vents
Nov 30, 2010 at 6:24 PM
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HMAC300
  • ✓Experienced Mechanic
  • 48,601 POSTS
there are a couple of actuators that direct the air flow. they are usually electric. check tosee if they are getting power. Also pull the heater fuse for a minute to see if the heater control will reset to fix it.
Nov 30, 2010 at 6:55 PM
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