1997 Slverado 1500 Heater Control Issue

Discussion in 'Chevy C/K Truck Forum' started by partyman97_3, Feb 27, 2014.

  1. partyman97_3

    partyman97_3 New Member

    The mode control knob on my silverado has no effect. The air seems to come out every where. When I was trouble shooting the actuator on the side of the heater box by the gas pedal, I noticed the little knob the actuator controls is broke off. Does any one have a tip or pointer on how to repair this? I look back through several pages on the forum and couldn't find anything. There seems to be several post on the blend door, but I couldn't find anything on this one. Thanks
  2. fugitive

    fugitive Member

    U-Tube!!!!!!!!!!!!!! you will be suprised what's on there!
  3. partyman97_3

    partyman97_3 New Member

    I seem to find a lot of info on the blend door itself, but I can't seem to find any info about the mode door, or whatever the correct name is.
  4. terry lo

    terry lo New Member

    No heat out of the windshield defroster - the problem was the blend door actuator LINKAGE had come unhooked, that's the forward linkage bar - pressed it back in and it works fine - photo attached Blend Door Linkage 1996 Chevy 2500 - Copy.jpg

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