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rear heat
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  1. The 02-09 "How-To" and DIY Section
    I have no heat or a/c in the rear of my '05 EXT Trailblazer. I have read other threads where a faulty rear actuator (#33 in the exploded diagram) was to blame, so I replaced mine - but it still doesn't work. It feels like it is always pulling in outside air, as it is hot in summer and cold in...
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