HEATER

  • Tiny
  • GLEN133
  • Chevrolet Blazer

1999 Chevrolet Blazer. 4.3 Engine 85270 miles: My Heater will not blow onto floor. It will switch to defrost or Panel {face} only. You can switch it to floor but it comes out up top. Any suggestions. : (

Tuesday, February 6th, 2007 AT 3:52 PM

2 Answers

  • Tiny
  • Service Writer
  • Expert
  • 9,254 posts

Sounds like it may have a broken control lever that operates the vent flap (valve) to allow air to move. It's in the heater box, in the dash.

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Tuesday, February 6th, 2007 AT 6:00 PM
  • Tiny
  • ffas23
  • Member

Get a flashlight and take a look under the dash. It may just be a vacuum hose that disconnected that opens that duct.

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Wednesday, February 7th, 2007 AT 8:20 AM

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