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dadad 6/24/2010
1995 GMC Safari SLX 6 Cyl 4.3L - Engine
defrost air only no vent functions
I have vacumn to the the vacumn ball but no vacumn up to the dash vent regulator... are there any other componets between the ball and the regulater? i see something attached to the steering column theat has the same hard plastic tubing. any help would be greatly appreciated.
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  • Got Boost!
    Got Boost! 10/29/2012
    From what i can remember there is a blender motor inside the evaporator housing that me be linked to this. I have a trick though. Grab a aquarium air pump with a good length of hose and run the air from the supply to the inlet. (Vacumm Canister- all regulators) 1X1 until you find either a kink or a leak

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