96 S 10 No Air Through Front Vents

Discussion in 'Chevy S10 Forum (GMC Sonoma)' started by spirittoo, Jun 30, 2013.

  1. spirittoo

    spirittoo Rockstar

    Howdy:yes: ... Well sir ... when I have the ac on and turn on the fan the air will come through the vents next to the windshield, but not the vents that blow air on me.:surprised: Any idea what the problem could be?:neutral:
  2. 09mgray

    09mgray Member 1 Year

    Could allways be the Switch is bad i have a 99 Sonoma and all the switchs are bad the temp and air one the switches between then vent cycle
  3. spirittoo

    spirittoo Rockstar

    Any idea where?

    Do you know where this switch is located? Is it easy to remove and replace?
  4. stchman

    stchman Active Member 2 Years 1000 Posts

    He's referring to the set of knobs that control the vent location, temperature, and fan speed. You pull the dash panel off to remove them.
  5. RayVoy

    RayVoy Epic Member 5+ Years 5000 Posts

    The S10 trucks use vacuum motors to switch the mode doors. If the doors are not operating, there could be a vacuum leak.
  6. spirittoo

    spirittoo Rockstar

    Is it hard to fix?

    Vacuum motors? Are they hard to remove and replace? Is that what you ask for at the part store "vacuum motor?"
  7. RayVoy

    RayVoy Epic Member 5+ Years 5000 Posts

    Yep, vacuum motors. A diaphragm with a cable/rod attached. The vacuum moves the diaphragm and the diaphragm moves the rod/cable. A vacuum motor. The motors seldom fail, it is usually a leak in the vacuum hose.
  8. spirittoo

    spirittoo Rockstar

    So all I have to do is find and replace the hose ... what area of the truck is the hose located?:neutral:

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