20 Most Recent 2004 GMC Sierra - Page 3 Questions & Answers

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2004 GMC sierra crew cab my truck alarm goes off by itself and my dome lights turn on and off by them self's to

Sounds like bad door switches. Can be a bad module as well.
12/21/2014 6:54:21 AM • 2004 GMC Sierra • Answered on Dec 21, 2014
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4 WD not working light comes on to switch to 4 WD but dosent stay on and does not shift into 4WD

Scanned ?? Code(s) stored ?? If you need further help, reach me via phone at https://www.6ya.com/expert/ralph_2f0886b7d6af32ce
12/12/2014 12:04:12 AM • 2004 GMC Sierra • Answered on Dec 12, 2014
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Front defroster

No.....Sealed Assy.... If you need further help, reach me via phone at https://www.6ya.com/expert/ralph_2f0886b7d6af32ce
12/11/2014 11:03:10 PM • 2004 GMC Sierra • Answered on Dec 11, 2014
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While driving reduced engine power light comes on truck slows .turn off truck for a minute goes good

1 Scan/ck for code(s) 2 With scanner connected,road test vehicle/ck scanned parameters If you need further help, reach me via phone at https://www.6ya.com/expert/ralph_2f0886b7d6af32ce
12/11/2014 10:50:20 PM • 2004 GMC Sierra • Answered on Dec 11, 2014
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Speedometer not working

Origional size tires wheels ?? If you need further help, reach me via phone at https://www.6ya.com/expert/ralph_2f0886b7d6af32ce
12/11/2014 10:15:01 PM • 2004 GMC Sierra • Answered on Dec 11, 2014
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On my 2004 gmc Sierra dually it reads low oil

Flush the oil put a detergent in to the engine add oil flush again and change the sensor for the oil pressure
12/1/2014 12:08:29 AM • 2004 GMC Sierra • Answered on Dec 01, 2014
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How do I replace the air blend actuator on 2004 gmc sierra

to gain access to it by the glove compartment remove two screws then pull up ... do reverve to install the new one. hope it helps
10/12/2014 8:08:46 PM • 2004 GMC Sierra • Answered on Oct 12, 2014
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Not sure what caused this? It rained hard one afternoon and the drivers seat was wet. Days later the seat will not incline or decline. I can hear the motor making a noise tho. Any suggestions? I also

I would start by taking it apart and drying it out, but there may be damage to the electrical components.
10/11/2014 2:03:39 AM • 2004 GMC Sierra • Answered on Oct 11, 2014
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My blower on 2004 gmc sierra only has high speed. what is location of resistor so I can replace

Most likely is your temperature control panel.These go bad often.But is relatively easy to replace. But if you are unclear of what I am talking about it's the panel that has the knobs on it that controls the fan.
10/7/2014 11:25:37 PM • 2004 GMC Sierra • Answered on Oct 07, 2014
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How do I get the axle out 2004 gmc sierra rearend ?

Other than watch a You Tube Video, on any similar axle housing ? Remove the rear cover,bolt,cross shaft pin,push axles in,remove c-clip & pull axle out !!
10/4/2014 5:40:50 AM • 2004 GMC Sierra • Answered on Oct 04, 2014
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How do I attach the door lock rod clip to the door handle on a 2004 GMC Sierra rear door lower latch?

should be a plastic clip to pop it into
9/24/2014 9:52:02 PM • 2004 GMC Sierra • Answered on Sep 24, 2014
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Why doesn't my check engine light work?

burnt bulb. Pain to change. Unless someone cut wire to turn it off.
9/20/2014 4:11:28 PM • 2004 GMC Sierra • Answered on Sep 20, 2014
manual

2004 Sierra Manual

2004 GMC SierraUploaded on Sep 18, 2014

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I got hot air out of vents instead of cold air

It could be a leak in your vapor hose or you may need to replace your condenser.
9/5/2014 1:03:05 PM • 2004 GMC Sierra • Answered on Sep 05, 2014
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P1631 theft system problem

if your car will not start. then try trun the key on do not try and start it just trun it on let it set for about 10 to 20 min.s then trun it off and try to start it. should reset the computor.
8/15/2014 8:50:19 PM • 2004 GMC Sierra • Answered on Aug 15, 2014
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