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I have a 2000 Chevy Silverado 1500 that the air has totally went out on it. It won't blow a/c or heat. It just clicks when I turn the knob. What could it be?

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  • 8 Answers

Check for blown fuse. Check for fan not spinning fast or binding, check wires and cables for loose or bad connections. That's all I can think of. Good luck.

Posted on Jul 25, 2013

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Posted on Jan 02, 2017

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emissionwiz
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SOURCE: 1999 1500 silverado heater

Sounds like the blend door in the ducting has failed, this door is what controls the temp of the outlet air by blending heat and outside air or AC cooled air.

Posted on Nov 07, 2008

hankfan18436
  • 62 Answers

SOURCE: 2000 Chevy Silverado 4X4 - Heater isn't blowing hot air

No your thermostat is stuck open which will not hurt the engine. but needs to be replaced, the thermostat is what allows the engine get up to operating temp. before allowing water to flow through the radiator and when it is stuck open it doesnt allow the engine to reach operating temp. so the heater never gets hot. I hope that helps you out.

Posted on Nov 24, 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

  • 1 Answer

SOURCE: I have a 99 chevy Silverado 1500 and my ac blows

bad actuator

Posted on Mar 02, 2010

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1 Answer

Have 99 chevy silverado 1500 I have a headlight problem all the other lights work but headlights won't turn on


-Check "headLight fuse"
-Check connector at the headlight.
-Check the bulb. (It could burn out)

Mai

Apr 03, 2013 | 1999 Chevrolet Silverado 1500

1 Answer

No in 99 chevy silverado


Sounds like the blend door is not moving. Most blend door actuators are located on the bottom of the heater box near the middle of the car. If the temp control is a round knob, it is an electronic actuator.

Dec 12, 2012 | 1999 Chevrolet Silverado 1500

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You'll have to figure out if it is a fuel or ignition problem.
Is the check engine light on ?

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It may be your mode door that is not closing to make that transition to heat or your head unit has a leak(if controlled by vacuum) or if it is electronic then you might need to get a new one.

Jun 17, 2012 | Cars & Trucks

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When i turn my A/C on it blows hot air and there is a leek on my pasenger side dash board. what is it


Had exact same problem with my 2006 Chevy Silverado 1500. Would blow hot air thru drivers vents only and sometimes if I turned truck off and restarted would blow air conditioner for a bit. Rec'd recall letter from Chevrolet in January for this problem.

May 10, 2012 | 2003 Chevrolet Silverado 1500

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2000 Chevy silverado 1500 blower not blowing


there are two or three things to check first the fuse in the fuse box next there is a resistor that controls the fan speed that will go bad and last the blower motor itself if you can get to it you can run a twelve volt source to the hot or positive terminal and it should come on if it is still working .

Feb 28, 2012 | 2000 Chevrolet Silverado 1500

1 Answer

2000 Chevy Silverado 1500 The heater does not


Had the same thing happen to my truck, the blen door actuator is under the console on passenger side, but the heater core is going to be clogged if you dont have any heat coming through, but a/c works..

Sep 08, 2009 | 2000 Chevrolet Silverado 1500

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Intermittant hot/cold air from heater


Had the same problem with my Mazda6 awhile back. Took it to the dealer and they found the radiator wasn't holding pressure. They replaced the whole radiator under warranty (WHEW!). Not sure how to check for that kind of thing, but it's a start.

Jan 01, 2009 | 2004 Chevrolet Silverado 1500 Crew Cab

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i had the same problem with my 2000 chevy truck!! i took both hoses off engine and flushed the heater core with water and air frome air compresser,added new coolent and it works perfect!!!! so try flushing your system............

Nov 17, 2008 | 2002 Chevrolet Silverado 1500HD

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