rear air conditioning hot

  1. M

    I only have hot air blowing in the back of my 2003 Savana - HELP!

    I recently purchased a 2003 GMC Savana Conversion fan. I only have the rear heating system on the front dash (w/ the thumbwheel). I do not have rear controls for temperature. Here is my question. When I turn the air on high I get nice cold air in the front. If I have the thumbwheel shut of...
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