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P0785 stuck in limp mode. 1997 Chevy pickup 4.3. It has
P0785 stuck in limp mode. 1997 Chevy pickup 4.3. It has 315,000 miles on it. Shifts when cold then limp mode once warm … read more
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not shifting gears or shifts hard and also leaks oil … read more
Tim\u0027s Auto Repair
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I have a 1994 GMC G2500 Vandura van and the transmission is
I have a 1994 GMC G2500 Vandura van and the transmission is messed up. I'm trying to get a sense of what's likely wrong to see if it's worth trying to fix. I let the fluid get very low from a leak and… read more
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J Hall
retired
none
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I have a 2010 GMC Terrain. Periodically, it will rev to
I have a 2010 GMC Terrain. Periodically, it will rev to 6000-7000 RPMS when I push the accelerator, not change gear (usually in 1st or 2nd gear) and max out at around 20-25 MPH. It's happened about a … read more
Don
Don
fleet superintendent
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1993 GMC Sierra 1500 5.7 liter 4wd won't go into lockup
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2004 GMC Yukon with 5.3 L V8. Engine frequently hesitates
2004 GMC Yukon with 5.3 L V8. Engine frequently hesitates and makes a gurgling sound when accelerating from a stop and the RPM hits around 1500 RPM. I've already replaced the MAF, Throttle body, and t… read more
Matt
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I have a 2001 2500 suburban with a 8.1 has push buttio. 4x4
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Jared D
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DegreeTruck is a diesel: 2007 1Ton crew cab dually. Sierra
degreeTruck is a diesel: 2007 1Ton crew cab dually. Sierra Classic; about 120,000 miles, mostly HWY. LOTS of horse hauling.....Never,ever a problem. Couple weeks ago driving fast (80 to 85....it's Wyo… read more
rpmdiag
rpmdiag
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I have a 2003 Yukon Denali. The temperature gauge in the
I have a 2003 Yukon Denali. The temperature gauge in the lower left corner of the instrument display, no longer registers a temperature. I believe this gauge is for the transmission fluid temperature?… read more
AZTechBrian
AZTechBrian
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Ok so 99 GMC Sierra rebuilt trans about 3 months ago and
Ok so 99 GMC Sierra rebuilt trans about 3 months ago and blew the rear end about two weeks ago swapped it with one from a salvage yard now when it seems like something is sticky when I try to go there… read more
Gary
Gary
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Vocational, Technical or Trade Scho
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GMC Seirra: 1998 GMC 1500 SLT 4X4 with 4L60E automatic transmission.
1998 GMC 1500 SLT 4X4 with 4L60E automatic transmission. Torque converter locking and unlocking. It does un lock when brake applied but starts unlocking and locking as soon as brake released. All sole… read more
Gary
Gary
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GM 3500 Sierra: I have a 93 GMC 3500 Sierra, 4x4,454, with
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Pete
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1500 SIERRA: 2007 gmc sierra 1500, 5.0 litre engine.Check
2007 gmc sierra 1500, 5.0 litre engine. Check engine light on. Shifts hard into second gear, gets harder as transmission warms up. Transmission gear indicator (electronic) not showing Transmission reb… read more
Pete
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I have a 1998 gmc k2500 with the 5.7 vortex, which was
I have a 1998 gmc k2500 with the 5.7 vortex, which was completely overhauled 500 miles ago. My dad took the truck on a test drive a few days ago, and floored to see if the trans would kick down into p… read more
Pete
Pete
Automotive Diagnostic Specialist
General auto certifications
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GMC Sierra 1500 Classic SLE: 2008 gmc sierra 1500 z71 5.3 38xxx
2008 gmc sierra 1500 z71 5.3 38xxx mi i have slight hard shifting from 1st to 2nd. heard it could be epc sensor or 1st-2nd gear solenoid. how much would it cost for a dealer to replace?… read more
Gary
Gary
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GM Envoy XUV 4wd: I have a 2004 Envoy XUV, 4wd, 6 cyl. with
I have a 2004 Envoy XUV, 4wd, 6 cyl. with about 87K miles. When I start up in the morning cold, I have a strong vibration in drive when brakes are applied. I also feel a thump and shudder in the under… read more
Amedee
Amedee
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Vocational, Technical or Trade Scho
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Hello,I have 1998, 350-Engine, 4x4 manual transmission (4WD
Hello,I have 1998, 350-Engine, 4x4 manual transmission (4WD lever type not the electronic button type), 2-cabin GMC HD3500 pick up with long bed. I bought it a week ago and there was no problem when d… read more
Gm Tech (Cam)
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GMC Sierra 1500: 4l60e transmission problems I rebuilt the
4l60e transmission problems I rebuilt the transmission to replace the broken sunshell gear and went ahead and replaced the 3-4 clutches. When put it reverse there is a thump at certain points (went aw… read more
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Gm Tech (Cam)
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Vocational, Technical or Trade Scho
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Meet the Experts:

Gm Tech (Cam)

Gm Tech (Cam)

GMC Mechanic

2,015 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)

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831 satisfied customers

16 years of experience

JFN1

JFN1

ASE Certified Technician

272 satisfied customers

GM Master Technician

Don - Mo Lurch

Don - Mo Lurch

ASE Certified Technician

261 satisfied customers

GM, GMC, Chevrolet Cert., Heavy Line Mech, Race Shop Owner, Mobile Electronics

Mike S.

Mike S.

ASE Certified Technician

245 satisfied customers

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

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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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