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Pretty sure I had a yearly account but will have to look
pretty sure I had a yearly account but will have to look further. None the less have a 2012 Sierra 1500 5.3 SLT - 4x4 was working fine but of course as soon as it snows it buggered up. 4x control dial… read more
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JOHN aka Eauto
self employed
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1988 GMC Sierra SLT K1500 4x4 Single cab long bedwon't
1988 GMC Sierra SLT K1500 4x4 Single cab long bed*****won't engage what I shift the transfer case into 4lo or 4hi. The transfer case is functioning properly cause if I shift into 4lo it basically is 2… read more
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J Hall
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I have a 2007 GMC 2500HD 4X4. It has a manual transfer case.
Hi. I have a 2007 GMC 2500HD 4X4. It has a manual transfer case. The transfer case goes into 4X4, front drive shaft locks up but the front wheels don't. I replaced the actuator on the front drive axle… read more
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1993 GMC Cheyenne pick up truck 4WD v8 5.7 No power to the
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GMC sle, new body style: I have 2007 gmc sierra 4.8. I turned
I have 2007 gmc sierra 4.8. I turned my switch to engage my 4x4 and it did not engage the front axle. It would not go back to 2 high once I turned the switch back. I took my negative cable off of the … read more
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I have a 97 gmc sierra and the front axle won't engage and i have flashing 4 hi and lo buttons. I have replaced the actuator and the transfer case switch. The front drive shaft does engage. All fuses … read more
Gm Tech (Cam)
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GMC 2500 Series: Have a 2005 GMC 2500 HD had snow today was
Have a 2005 GMC 2500 HD had snow today was driving in 4x4 and after a while it went to popping then had no 4x4 light on dash shows engaged when I shift in hi or low its a floor shift also any ideas… read more
Gary
Gary
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GMC K1500 4x4: I have a 96 gmc pu 4x4 k1500 that when it you
I have a 96 gmc pu 4x4 k1500 that when it you are starting to drive it seems like the 4x4 wants to engage after you speed up the grinding noise goes away.… read more
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GMC Jimmy 4x4 (Mid Size): I have a 2000 GMC jimmy, my 4x4 doesnt
I have a 2000 GMC jimmy, my 4x4 doesn't work. When it's up on a hoist it engages inXXXXXwhen it's off the hoist it doesn't engage in XXXXX I've replaced the switch in the car, the computer, the encode… read more
Dave Nova
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gmc jimmy: 97 gmc jimmy: 4wd will not engauge. ichanged the
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2001 gmc ext cab 1500 4wd works only in high range...try to
2001 gmc ext cab 1500 4wd works only in high range...try to engage in low range light flashes then goes back to high… read more
Gm Tech (Cam)
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GMC Sierra 2500 HD SL: I have a 1998 gmc 2500 diesel 4x4.
I have a 1998 gmc 2500 diesel 4x4. The 4x4 light flashes when try to switch into 4x4. the transfer case is engaging but the front actuator is not. bought new actuator still not working. This is a 4 wi… read more
Hal
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GMC Suburban K2500 4x4: Hello, I recently got a 94 gmc suburban.
Hello, I recently got a 94 gmc suburban. I noticed that the 4x4 shifter was in neutral while driving around inXXXXX i engaged the 4x4 over the weekend in the snow (used 4L when i got stuck and 4H for … read more
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GMC Jimmy: I have a 1999 GMC Jimmy 4 Door. At first, it was
I have a 1999 GMC Jimmy 4 Door. At first, it was staying in 4WD and when 2WD was selected in would not completely disengage. We replaced the vaccuum switch (it seemed it was staying open all the time … read more
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GM Jimmy: Hi,I have a 2000 GMC 4x4 , theXXXXXstopped
Hi,I have a 2000 GMC 4x4 , theXXXXXstopped working. The electronic 4x4 switch says that it changes but it doesn't. I'm concerned that its might not be a simple fix, any idea what it could be?… read more
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GM 1500 I have a 1994 gmc 1500 4x4. The 4wheel drive does
I have a 1994 gmc 1500 4x4. The 4wheel drive does not engage. I checked the 4x4 actuator in the front end and it is not getting any power when I shift into 4 hi. I checked the 4x4 fuse and it is good … read more
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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

18,052 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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