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Discussion Starter · #1 ·
I need an HVAC vacuum lines diagram for my 84. My a/c will not blow out the dash vents, just on the floor. I have a hard plastic line that comes from the reservoir/cannister on the pass side and goes to the center and stops ( by the heater valve). It was connected to something, it has blue rtv residue on it. It isn't the line to the heater valve.
 
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