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2000 gmc sierra heater problems - 2000 GMC Sierra

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  • Mickgiever
    Mickgiever May 11, 2010

    What kind of heater problems?

  • Tyler Craig
    Tyler Craig May 11, 2010

    What kind of problems are you having?

  • chevyhpdude May 11, 2010

    No hot air?Leaks?No fan?

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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SOURCE: 2000 GMC Heater Problem

I had problems with a similar truck,a 1998 GMC diesel after checking to make sure the control cables were operating the blend door and blowing the mess of the heater core,I replace the thermostats.Still no heat turns out there was a small amount of debris collecting in the fitting for the inlet hose at the thermostat housing after removing it and blowing out the lines the heat was fine.

Posted on Dec 05, 2008

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SOURCE: 2000 gmc sierra

ur gonna have to tear the dash apart to get to the heater core, once u access that u can take the pastic housing off and reconnect the hoses

Posted on Oct 27, 2008

  • 3 Answers

SOURCE: 2000 gmc sierra heater

the quick connect can be removed it requires a special tool thatr i dont seem to have and one can be picked up from the nearest parts store for about 6.00 dollars i cut mine off with a drimmal tool

Posted on Dec 09, 2008

OLDERQT
  • 1 Answer

SOURCE: 93 gmc sierra heater not working

THERMOSTAT REPLACE IF NOT SEE IF HOSES ARE CLOGGED SHOT OF AIR COULD HELP OR DISSCONNECT BATTERY CABLE 10-15 MIN CONNECT BACK TRY HEATER

Posted on Jan 04, 2009

  • 1 Answer

SOURCE: 2003 GMC Sierra heater Blower wont shut off

My 2003 Sierra's blower came on by itself in the garage while I was sleeping and ran the battery completely down. I had to replace the blower switch located under the glove box next to the blower at the bottom of the right corner of the dash. The switch is in front of the blower and held in by two screws. Disconnect the two wire connections. This is a "dealer only" part and cost me 65.00. Also check the wire harness with seven wires connected to it for melted plastic. It will be marked "ABCDEFG". If it has melted, you'll need to replace it. Pay attention when reinstalling either part, that the wires "ABCDEFG" match the switch in that order.

Posted on Jan 17, 2009

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http://www.buywiring.com/products/2-7-wire-blower-motor-resistor-harness-with-12-pigtail?template_id=2&image_id=7

in the picture it is the part with the white sticker

It is in the duct work under the passenger side dash.

I got mine locally for under $50

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1 Answer

2000 gmc sierra


ur gonna have to tear the dash apart to get to the heater core, once u access that u can take the pastic housing off and reconnect the hoses

Oct 26, 2008 | 2000 GMC Sierra

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