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No air coming from air conditioner in 1976 Chevy Cheyenne Truck. What can it be and how to fix?

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  • Cars & Trucks Master
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Are you saying the blower motor is not running ?

Posted on Jul 30, 2013

  • 5 more comments 
  • strawberry57 Jul 31, 2013

    No there is air but it comes out at floor and not dashboard vents.

  •  Stephen
    Stephen Jul 31, 2013

    Ok. That would be the control on the dash or a vac leak.

  • strawberry57 Jul 31, 2013

    OK now can you tell me how to fix it? This is an older truck that our son received from his grandmother when his grandfather passed away. He's not really sure what to do. They did check for vac leaks already.

  •  Stephen
    Stephen Jul 31, 2013

    If it has factory ac, chances are it has a vac control for the blend doors. The vac modulators open and close the door flaps which direct air thru the vents. If there is no vac at the blend door, the control is faulty or there is no vac getting to the control from the engine. If the control is cable operated, one of the cables is not moving the flap.

  • strawberry57 Aug 05, 2013

    This is a funny story! They dug deeper to see what they could see about the controls and found out that Grandpa had placed a block of wood in to keep the air on defrost. No one knows why...Thanks for the help.

  • strawberry57 Aug 05, 2013

    Got a new question about other son's pickup. 1966 Ford pickup. Put battery in and it won't start. Radio, lights, etc work but won't start. Do you think it might be the starter?

  •  Stephen
    Stephen Aug 05, 2013

    Easy enough to find out. If you have power at the starter solenoid on the fender, and nothing happens at the starter, I would say its the starter. The solenoid puts battery power at the starter when the key switch is in the start position.

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Posted on Jan 02, 2017

fastboyz
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SOURCE: distributor cap firing order on a 1993 chevy cheyenne truck v6

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Posted on Nov 28, 2008

  • 2 Answers

SOURCE: distributor cap firing order 1993 chevy cheyenne truck v6

Firing order is 1-6-5-4-3-2 cyls. # 1-3-5 on drivers side front to back and cyls. # 2-4-6 passenger side front to back.

Posted on Nov 30, 2008

  • 1 Answer

SOURCE: air conditioner problem with 2005 chevy 1500 silverado

I have the same problem exactly, if i turn off the ignition and then turn it back on it begins blowing cold air again. I would like to know what the problen is as it sounds like it is not unique to just my vehicle.

Posted on Oct 10, 2009

  • 407 Answers

SOURCE: removal of 1976 chevy truck ignition switch

need a special tool to remove the locking plate behind steering wheel then pull turn signal switch back a little then remove screw that keeps lock cylinder in place

Posted on Oct 22, 2009

xdmann
  • 43 Answers

SOURCE: 99' Chevy Tahoe Air Conditioner not working

It doesn't blow cold air? Doesn't come on at all? What's the problem? If it doesn't blow cold after a charge, it leaks. Either on the compressor or in a line or both. To start at the dealer, a compressor is about $1200. That's what they told me. I have two leaks. You can buy remanufactured compressor on ebay for under $200. Or find a good shop (polar bear around here) with reasonable prices and have them do it for something in between.

If it no air is moved at all by your climate control system, the blower motor could be fried, the switch may have gone bad or a fuse is blown perhaps. If it moves air, but not cold air, recharge it and see if it stays cold. If so, great! If not, find the leak.

Posted on Jan 30, 2010

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