Resources for the Repair and Maintenance of your GMC

GMC Models:

Image for car images GMC 2007 2009 GMC Sierra 2500 HD size thumb Image for car images GMC 1998 2004 GMC Sonoma size thumb Image for car images GMC 1999 2000 GMC Yukon Denali size thumb Image for car images GMC 1999 2002 GMC Savana size thumb Image for car images GMC 2001 2002 GMC Sierra 3500 size thumb Image for car images GMC 1990 1993 GMC 2500 Pickup size thumb Image for car images GMC 1994 2000 GMC 2500 Pickup size thumb Image for car images GMC 2001 2002 GMC Sierra HD size thumb Image for car images GMC 1990 1991 GMC G Van size thumb Image for car images GMC 2003 2007 GMC Sierra 3500 size thumb Image for car images GMC 2003 2006 GMC Sierra 1500 size thumb Image for car images GMC 1995 2005 GMC Jimmy size thumb

GMC Problems

Electrical & Lights -- Verified

It is common for the fuel level sensor in the fuel tank read the fuel level incorrectly. The sensor must be replaced to correct the condition. Our technicians recommend having the complete fuel pump module replaced on high mileage vehicles.

Suspension & Steering -- Verified

On vehicles equipped with rear air springs, the air compressor may fail causing the rear suspension to sit low.

Heating & Air Conditioning -- Verified

The HVAC blower motor may stop working at one or more speeds due to a faulty blower motor resistor block. Our technicians recommend to confirm the resistor is at fault by first checking the operation of the switch.

Drive Train -- Verified

Vehicles with a 6speed automatic transmission may develop one or more of the following faults related to a broken 35R clutch wave plate inside the transmission: Illumination of the Check Engine Light with code P0716, P0776, P0717, P0777, P2714, P2715, and/or P02723, loss of reverse gear, slipping or harsh 3rd or 5th gear shift. Removal and dis-assembly of the transmission will be required to replace the broken 35R wave plate. It ...

Miscellaneous -- Verified

The upper dash may crack, most commonly on vehicles in warm climates and exposed to a lot of sunlight. The common repair is to replace the upper instrument trim panel. Information on a technical service bulletin or extended warranty is not available at this time.

GMC Recalls (Recent)

Air Bag Inflator May Fracture On Deployment

Body, Interior & Misc., August 15, 2002



GMC Recall 06V417000

Body, Interior & Misc., November 6, 2006



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Driver's Air Bag May Not Deploy Properly

Body, Interior & Misc., March 11, 2003
RepairPal Expert Overview:

On 130 vehicles, the driver's air bag may not deploy properly if needed in a crash. Also, the inflator could rupture. This could increase the risk of injury to the driver and other passengers if pieces of the inflator strike them. Dealers will inspect and install a new driver's air bag if needed. The recall began March 11, 2003. The GM recall number is 03008.

The Owner's Manual Does Not Explain the Child Restraint Anchor Location Symbols

Body, Interior & Misc., August 20, 2003
RepairPal Expert Overview:

The owner's manual does not explain the child restraint anchor location symbols for the lower universal anchorage system. This does not meet the Federal Motor Vehicle Safety Standard. Owners were sent supplements to the owner's manual explaining the location symbols in the vehicle. The recall began August 18, 2003. The GM recall number is 03039.

GM Recalls Multiple 2000-2001 Vehicles Due to Possible Seat Belt Failure

Body, Interior & Misc., August 24, 2000
RepairPal Expert Overview:

The seat belt buckles may not have been properly heat-treated during the manufacturing process. This may cause the buckles not to function correctly during a collision, which may cause injury. Dealers will replace the seat belt buckles.


GMC Questions and Answers

ronjbird, 1990 GMC Jimmy, 5.7L V8, Detroit, MI

my 1988 gmc jimmy backfires through the throttle body and looses pressure when driving , and cuts off. can anyone help me?

bjc78, 1990 GMC Jimmy, 5.7L V8, Woodland Hills, CA

how do i access the key cylinder on the rear power window? the power window works from the interior switch but not from the outside key. i cant access it in order to check the connection.

bjc78, 1990 GMC Jimmy, 5.7L V8, Woodland Hills, CA

thanks for the responce oakman...i went thru the panel originally, but with the window up, the motor mechanism is in the way of the two screws on the cylinder. the does tailgate come apart somehow...

butchorion72, 1990 GMC Jimmy, Shelburne Falls, MA

The tailgate window only goes down part way on one side and seems to bind up. I took off the cover & found some rusted metal pieces/arms? in there. what are they called so I can order the corre...

chipsplitter, 1990 GMC Jimmy, Beverly Hills, CA

It is actually a 1987. Does not want to start on first try. Cranks over, i was told something about a starter clutch, didnt realize that they are on cars too. Obviously gas and power is good, an...

Write a Review About Your Car

GMC Owners' Reviews

Bought 1997 Sonoma with 4.3 V6 and 5 speed Trans with 36000 miles on her. Since then I have 0ver 373000 miles on her as of today. She's one tough truck. Since New I have replaced 1 water pump, 1 fuel pump, 1 intake gasket. Believe it or not. I,m still on the original clutch, though She starting to chirp once in a while now. So my baby letting me know its getting to be time for replacement. I'm not afraid to travel anywhere in Her. and as I work out of town we've spent a lot of long hours on the road. Hope to find out just how long she'll keep going. And I'll definitely be buying another GM truck if its got the Vortec Engine.

no where near the f-150 ford I just sold! This truck is a rust bucket brake and transmission lines all rust! Lots of surface rust! The Ford is a credit to this rust bucket!!!

1995 GMC 1500 5.0L. 280K and still running strong. Had to replace intake gaskets twice, heater hose connectors and fuel pump. Only run 20w50 Castrol with Lucas oil stabilizer. I believe that is the secrete to a strong running 305.

Nice vehicle for hauling a family and full load, lots of room. We bought our 2003 Yukon Denali brand new. Issues we have had with this car have been the following : 1. Replace the intake gaskets, very pricey fix about $1000 2. Instrument panel lights 3. Rear suspension auto levelling system went bad, installed aftermarket overload suspension to replace the auto level system 4. Leaks from power steering pump 5. Tire wear not even due to articulating wheels 6. Front steering issues due to worn ball joints and other worn items
We did not get any of the recall items sent to us from the manufacturer, there appears to be three recalls dating back to 2003 and 2004.
This vehicle cruises real nice down the highway, gas mileage not stunning we usually get 15 mpg in town and 17 mpg on highway, I have personally done all the oil changes except for one but we always used a synthetic blend oil. I don't think the Yukon Denali XL is worth the extra money spent to get it, compared to the regular Yukon XL, we had two YUKON XL and now this YUKON DENALI XL, the price difference quite a spread. I was satisfied with our vehicle but I would have been better off with the YUKON XL two wheel drive model.

I brought my 2001 Yukon XL Denali new and still drive it today. It has 183K+ and is still in what I would call excellent condition. I'm a mechanic and have done all of my own work after my warranty expired. Although, I've had many parts failures (2 x more than my 97 Chevy C1500 PU which I also still drives), I still would rate this vehicle as "good". The largest part replaced was front differential @ 70k good thing I purchased the extended warranty package. Then there is your normal parts that wear out as well as your service parts (tires, wiper blades, brake pads, rotors and park brake shoes, air & fuel filters, fuel pump, ect.) but I did have problems with water leaking in on passenger floor, an annoying squealing noise and engine serpentine belt wearing faster than normal which took a couple of years of going back and forth to dealer (vehicle under warranty) and they found nothing. So I decided after the warranty ended to T.S. myself and after changing about 3-4 tensioners I decided to buy a high quality tensioner that corrected the belt alinement & wear problem and replacing the A/C belt & tensioner took care of the squealing noise. I just found that the moon roof clogged drains where the culprit that allowed the water drain onto the pass. floor. I would recommend this vehicle.