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I have a 2008 GMC Sierra 1500. There was message on dash
I have a 2008 GMC Sierra 1500. There was message on dash stating to service 4X4. Got a code wich is C0321. Any suggestions on how to repair. Thank you… read more
Daniel Chaidez
Daniel Chaidez
Technician
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Shifts out of gear when driving. 2015gm 1500. 2015 gmc 12
if you shut off and restart put in gear it will go about 200 yards then go into neutral… read more
Jake
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I'm looking at a GMC Sierra 1500 SLE Extended cab with
I'm looking at a GMC Sierra 1500 SLE Extended cab with 194700 miles to purchase. I took a test drive and it drives very well considering the miles. Should I consider this truck for $6995?… read more
Eric
Eric
Retired
N/A
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2006 gmc sierra 4wd not engaging, its the manual shift one
2006 gmc sierra 4wd not engaging, its the manual shift one on the floor, No dash lights, shifter just moves up and down smoothly, not engaging in any 4wd.… read more
Pete
Pete
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I have a 2001 2500 suburban with a 8.1 has push buttio. 4x4
I have a 2001 2500 suburban with a 8.1 has push buttio. 4x4 with the auto button truck is a automatic. Just bought this thing so don't have any history on it. Here is what it does while driving in 2wh… read more
Jared D
Jared D
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4wd service light is on replaced switch worked fine for few
4wd service light is on replaced switch worked fine for few days and light came back on. now stuck in 4wd … read more
Gary
Gary
ASE Certified Technician
Vocational, Technical or Trade Scho
1,589 satisfied customers
I have a GMC Yukon Denali 2015. My truck was running great
I have a GMC Yukon Denali 2015. My truck was running great until i got stuck in snow and was trying to get out i ended up getting out the snow, but i notice how when i change the gear to 4WD low and p… read more
Gm Tech (Cam)
Gm Tech (Cam)
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Vocational, Technical or Trade Scho
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My gMc top kick c4500 front drive shaft locks in during
My gMc top kick c4500 front drive shaft locks in during 4wheel drive but the front tires womt engage n turn… read more
Pete
Pete
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I have a 2005 GMC Sierra 1500 z71. When I put my truck in
I have a 2005 GMC Sierra 1500 z71. When I put my truck in 2WD(push button) it will run about 100yds then pop out of gear...I can run in auto(push button) no problem except when it seems to want to go … read more
Gm Tech (Cam)
Gm Tech (Cam)
GMC Mechanic
Vocational, Technical or Trade Scho
2,126 satisfied customers
GMC Sierra 1500 Classic SLE: When i engage my 4wd the front
When i engage my 4wd the front wheels lock up and the truck does not move, when I shift to 2wd everything is ok , I have a 2005 gmc sierra z71 , what up!… read more
Pete
Pete
Automotive Diagnostic Specialist
General auto certifications
37,074 satisfied customers
GMC 2500 Sierra: I have a 1998 GMC 2500 4x4 front actuator
I have a 1998 GMC 2500 4x4 front actuator that will not engage. I just put in a new actuator, still won't engage. Where should I look from here? I checked the fuse, thanks… read more
Pete
Pete
Automotive Diagnostic Specialist
General auto certifications
37,074 satisfied customers
GMC Sonoma 4x4: I have a 2002 GMC Sonoma, 4.3 4x4. When i
I have a 2002 GMC Sonoma, 4.3 4x4. When i shift into 4wd i get a whining noise in the right front. If i shift back to 2wd in takes about a half mile to come out and it does with a load bang. If i stop… read more
sprinkles08
sprinkles08
Technician
High School or GED
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2004 GMC Sierra 2500hd crew cab, 4wd, 6.0l. The transfer case
2004 GMC Sierra 2500hd crew cab, 4wd, 6.0l. The transfer case failed and seized up. After replacing the t-case and installing a new slip yoke and u-joints, there was a vibration in the drive-train all… read more
Chris (aka-Moose)
Chris (aka-Moose)
GMC Technician
Vocational, Technical or Trade School
904 satisfied customers
GMC Sierra 1500 Classic SLT: My GMC Sierra(2006) had a "sevice
My GMC Sierra(2006) had a "sevice 4wd" indicator come on a couple of times, and the 4wd won't work. If I turn off truck and restart it, it goes away and the 4wd works.… read more
Gm Tech (Cam)
Gm Tech (Cam)
GMC Mechanic
Vocational, Technical or Trade Scho
2,126 satisfied customers
GMC Sierrra 1 ton dually: I just bought a GMC Sierra Dually
I just bought a GMC Sierra Dually to tow our new 5th wheel. I have never owned a Dually, but have driven several RV's and have owned an AWD Express van for 8 years before my new truck. Given my experi… read more
Gm Tech (Cam)
Gm Tech (Cam)
GMC Mechanic
Vocational, Technical or Trade Scho
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GMC Sierra 1500 Classic SLE: Is the encoder motor on my 2007
Is the encoder motor on my 2007 Sierra 1500 Classic covered under my power train warranty. My truck is stuck in 4wd high and they say it's the encoder motor on the Shift Control Module… read more
Dave Nova
Dave Nova
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Associate Degree
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GM sierra 3500HD: Can I get a build sheet for my 2002 GMC vin
Can I get a build sheet for my 2002 GMC vin # XXXXX It would help in repairs and maintenence greatly. Thanks Pete… read more
Vern
Vern
Vocational, Technical or Trade Scho
160 satisfied customers
I have a 2000 gmc jimmy with 4wd. Yesterday it worked perfect.
I have a 2000 gmc jimmy with 4wd. Yesterday it worked perfect. Today the "service 4 wd" light came on. The light come on 4wd. Then the other drive light won't come on. After pushing serveral of the bu… read more
Gary
Gary
ASE Certified Technician
Vocational, Technical or Trade Scho
1,589 satisfied customers
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Meet the Experts:

Gm Tech (Cam)

Gm Tech (Cam)

GMC Mechanic

2,126 satisfied customers

GM Grand Master Technician 2007. 14 year experience.

Gary

Gary

ASE Certified Technician

1,589 satisfied customers

GCM master tech over 25 years

Dave Nova

Dave Nova

GMC Technician

929 satisfied customers

ASE Master Certification. GM World Class Certification

Chris (aka-Moose)

Chris (aka-Moose)

GMC Technician

904 satisfied customers

24 years of experience diagnosing & repairing

JFN1

JFN1

ASE Certified Technician

272 satisfied customers

GM Master Technician

Mike S.

Mike S.

ASE Certified Technician

256 satisfied customers

GMC N.A.I.S.E. Certified Auto-Mechanic

George H.

George H.

ASE MasterTechnician

233 satisfied customers

15+ Years ASE Master Technician with Level 1 Certification

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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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