Question about 1996 Chevrolet Blazer

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Ventalation system not working on my chevy blazer 1996

No air hot or cold comes out of the vents on my blazer. some air comes out at feet but not much. No cool air at all on feet.

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  • 3 more comments 
  • cummingswafe May 23, 2009

    blower sounds like it is blowing but not switching

  • cummingswafe May 23, 2009

    yes, the fan speed changes

  • cummingswafe May 23, 2009

    yes, switch changes the speed

  • cummingswafe May 23, 2009

    keep talking to me its420_us
    I really need your help


  • cummingswafe May 23, 2009

    thank you so much, I am going to try your suggestion. I am a female
    and I use to help my dad rebuild VW engines when I was in high school but have not done anything mechanical for decades.


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  • Master
  • 316 Answers

Is it your ventilation not switching, or your blower motor not blowing air?

Posted on May 23, 2009

  • 1 more comment 
  • its420_us May 23, 2009

    Can you change the fan speed from the switch or no?

  • its420_us May 23, 2009

    Ok, the issue is in the vaccuum control switch for the vents. Should be located on the ventilation system, drivers side. there will be a few vacuum lines connected to it. Check the lines, make sure their plugged in, and not damaged. Switch the vents while listening for a leak in the area. If you find no leak the lines are all good, the switching mechanism is bad.

  • its420_us May 23, 2009

    You're very welcome, and I hope you get it fixed.

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