Vent blows warm air

Discussion in 'Chevy Silverado Forum (GMC Sierra)' started by bgbird, Mar 28, 2007.

  1. bgbird

    bgbird New Member

    04 Silverado (no mods) - stock factory split manual heat control.

    When using the vent and no air conditioning the delivered air is about 3-6 degrees warmer than ambient outside air - even when traveling at highway speeds. Is there some adjustment that's a bit off?
     
  2. TrailLeadr

    TrailLeadr Epic Member 5+ Years 1000 Posts

    I'm fairly certain this is normal. Our Avalanche is the same way, so is my 'burb. I think a certain amount of the vent air catches heat from the engine as it comes in.
     

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