99 Ram 1500 AC damper door stuck

I only get air blowing out at the windshield. The air control knob seems okay. I was surprised to see about 4 different colors of vacuum lines at the back side of the knob. (see pic). The Haynes printed repair module says there is a vacuum supply line coming from the intake manifold and has an internal check valve in it. I have not been able to locate this hose. U-tube video's do not match my apparently different attachment point. Apparently checking this supply line hose is step one in... 99 Ram 1500 AC damper door stuck

I only get air blowing out at the windshield. The air control knob seems okay. I was surprised to see about 4 different colors of vacuum lines at the back side of the knob. (see pic). The Haynes printed repair module says there is a vacuum supply line coming from the intake manifold and has an internal check valve in it. I have not been able to locate this hose. U-tube video's do not match my apparently different attachment point.

Apparently checking this supply line hose is step one in...

99 Ram 1500 AC damper door stuck

Mon, 05 Sep 2022 17:53:39 +0000
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