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Chevy Silverado and GMC Sierra 4x4 Questions

239 messages,  Last post on Dec 01, 2009 at 1:47 PM

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What is this discussion about? Chevrolet Silverado 1500, Chevrolet Silverado 2500, Chevrolet Silverado 3500, GMC Sierra 1500, GMC Sierra 2500, GMC Sierra 3500, Truck


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#21 of 239
front tires, no spin by cooperbiker
Feb 18, 2007 (7:14 am)
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I have a 2000 Silverado Z71 with push button 4WD, when i put my truck into 4WD i can hear it shifting and my gears get lower but i have no power to my front wheels(i fround this out after i was stuck in the mud) i have the lower gears but no power to front wheels, anybody had a problem like this?
#22 of 239
Service 4wd Warning Message by harley1970
Mar 12, 2007 (5:56 pm)
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#23 of 239
Service 4wd Warning Message by harley1970
Feb 24, 2007 (7:05 am)
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I have a 2003 Chevy 1500 and have been getting a service 4wd warning message. I have changed the oil in both axles and the transfer box. Does anyone know what the heck I am supposed to 'Service' now???
#24 of 239
Re: Service 4wd Warning Message [harley1970] by johndeer9400
Feb 25, 2007 (8:37 am)
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Replying to: harley1970 (Feb 24, 2007 7:05 am)

I have had the same light flash on my pickup as well. I have a 2002 Chevy Z71. I would only see if flash once when I started my pickup but it would not come on and stay on like the other warning lights for changing engine oil or low washer fluid.
I was like you and I changed the front and rear differential fluids along with the xfer case. I believe that the manual says something possibly with the xfer case and that my have to do with the fact that the Z71s have the automatic xfer case or the auto 4wd button. The last time it came on I changed the front differential fluid and hasn't come on since.
#25 of 239
Re: Service 4wd Warning Message [johndeer9400] by rockylee
Feb 25, 2007 (2:47 pm)
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Replying to: johndeer9400 (Feb 25, 2007 8:37 am)

Is there a sensor in the system ?
 
That is interesting.
 
Rocky
#26 of 239
same problem by southernstyle
Mar 04, 2007 (3:33 pm)
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I have a 2000 z71 and that message always comes on did you ever find out why or what it is? southernstyleschotmail.com
#27 of 239
Possible solution by sly4i
Mar 07, 2007 (2:37 pm)
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I have a 2000 Chevy Silverado 2500, my sevice 4wd light was on. I had taken it to a local transmission repair shop and I was informed that my transfer case connectors were corroded and was not getting a good connection, so whenever it would rain or snow my service light was on. After repairing this and $450.00 later. The service light still persisted to come on. So I went to a GM dealer and bought a new switch, this finally fixed the problem. hope this helps everyone. Major suggestion given "check the switch first it is only $65-$70 brand new.
#28 of 239
Re: Possible solution [sly4i] by harley1970
Mar 09, 2007 (10:54 am)
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Replying to: sly4i (Mar 07, 2007 2:37 pm)

Thanks for the heads up!!...I will try the switch first. I also spoke with a couple of buddies who work for GM electrical and they suggested replacing the switch also. Interesting about the connectors on the transfer box...I think I will clean them up just in case and spray them with a protective coating, if nothing more might save me $450 later on.
#29 of 239
Re: Service 4wd Warning Message [harley1970] by denncat22
Mar 12, 2007 (5:56 pm)
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Replying to: harley1970 (Feb 24, 2007 7:05 am)

You need to try and change your transfer case control switch.
#30 of 239
96 silverado 4wd kicked in at 75mph by kegabear
May 05, 2007 (8:12 am)
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Replying to: denncat22 (Mar 12, 2007 5:56 pm)


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