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Cars » GMC

Resources for the Repair and Maintenance of your GMC

GMCs Models:

Image for car images GMC 1995 1999 GMC Yukon size thumb Image for car images GMC 2004 2009 GMC Canyon size thumb Image for car images GMC 1998 2004 GMC Sonoma size thumb Image for car images GMC 2000 2006 GMC Yukon XL size thumb Image for car images GMC 2000 2006 GMC Denali size thumb Image for car images GMC 1995 2005 GMC Safari size thumb Image for car images GMC 1990 1993 GMC 3500 Pickup size thumb Image for car images GMC 2007 2009 GMC Yukon size thumb Image for car images GMC 1994 1999 GMC Suburban size thumb Image for car images GMC 2007 2009 GMC Sierra 3500 HD size thumb Image for car images GMC 2006 2007 GMC Sierra 1500 Hybrid size thumb Image for car images GMC 1994 2000 GMC 2500 Pickup size thumb

GMC Problems

Erratic Fuel Gauge Operation

Electrical & Lights -- Verified

The fuel level sensor in the fuel tank may fail causing erratic fuel gauge operation. Our technicians tell us that on high mileage vehicles you may wish to replace the complete fuel pump module assembly if this condition occurs.
On certain 2005 - 2007 vehicles, General Motors has extended the warranty on the fuel level sensor to 10 years or 120,000 miles, agreeing to pay 50% of the repair cost. Please contact your local GM dealer for...

Loss of One or More HVAC Blower Motor Speeds

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.

Rear Suspension Low Due to Failed Air Compressor

Suspension & Steering -- Verified

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

Outside Door Handles May Break

Miscellaneous -- Verified

The outside door handles are prone to breaking—all doors are affected by this condition.

Check Engine Light Due to Gas Cap Issue

Exhaust & Emissions -- Verified

A Loose or worn gas cap may cause Check Engine Light to illuminate.

GMC Recalls (Recent)

Windshield Wipers May Fail

Body, Interior & Misc., May 5, 2011
RepairPal Expert Overview:

The windshield wiper motor crank arm nut may not be tightened to specification. If the wipers are operated with a buildup of snow or ice, or when the windshield is dry, the crank arm nut could loosen to the point where the wipers become inoperative. This could reduce driver visibility, increasing the risk of a crash. Dealers will secure the crank arm nut to correct this concern. This recall is expected to begin by May 11, 2011. The General Motors recall number is 11095.

GMC Canyon

Possible Brake Fluid Leak

Brakes, May 5, 2011
RepairPal Expert Overview:

The right rear brake hose may contact the tire or wheel rim, which can cause a hole to be worn into the brake hose. This may result in fluid loss, which would reduce the effectiveness of the rear brakes and increase the risk of a crash. Dealers will secure the right rear brake hose to ensure sufficient clearance. This recall is expected to begin by May 13, 2011. The General Motors recall number is 11126.

GMC Savana 1500

Transmission Shift Indicator May Indicate Incorrect Gear

Drive Train, June 28, 2011
RepairPal Expert Overview:

Certain vehicles may have been assembled with an automatic transmission shift cable adjustment clip that may not retain the cable in the correct position. If the cable is not properly retained, the shift indicator may not show the correct transmission gear. The driver could move the shifter to "Park" and remove the ignition key, but the transmission gear may not be in "Park." The driver may not be able to restart the vehicle and the vehicle could roll unexpectedly, increasing the risk of a crash or personal injury. Dealers will install a new automatic transmission adjustment clip to correct this concern. This recall is expected to begin on July 19, 2011. The General Motors recall number is 11181.

GMC Canyon

Potential Loss of Steering Ability

Suspension & Steering, June 28, 2011
RepairPal Expert Overview:

The intermediate steering shaft attaching bolts may not have been tightened to the proper specification. This could allow the steering shaft to separate. The driver could experience a loss of steering ability, increasing the risk of a crash. Dealers will inspect and ensure the intermediate steering shaft bolts are tightened to the proper specification. This recall is expected to begin on July 13, 2011. The General Motors recall number is 11191.

GMC Yukon, GMC Yukon XL 1500, GMC Sierra 1500

The Low Tire Pressure Warning Light May Not Illuminate as Expected

Suspension & Steering, October 18, 2011
RepairPal Expert Overview:

The tire pressure monitoring system is designed to illuminate the tire pressure warning light when the tire pressure in any one tire is 25% below the recommended cold tire pressure. On these vehicles, the light will not illuminate until the tire pressure is more than 25% below the recommend cold tire pressure. Underinflated tires can result in the tire overheating, which could lead to a blowout and a possible crash. Underinflated tires also affect tire wear, vehicle handling, and fuel economy. Dealers will update the Body Control Module software to correct this concern. The General Motors recall number is 11261.

 

GMC Terrain

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 correct p...

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...

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GMC Owners' Stories

From dunes of Outer Banks to Continental Divide over 13000 ft., has never left me stranded anywhere. New trany at 194,000, still going at 236,000. My 2001 Yukon got swapped in Cash for Clunkers, but this one lives on! Turning radius huge, rear brakes too small--not a vehicle for sissies, but we still love it.

I have 239,000 + miles on my 2002 Yukon Denali. I purchased it used with 36,000 miles on it 6 1/2 years ago and it has just now started to show signs of its use. This has been a great vehicle for my family and I wish I could clone it! I have decided to keep the vehicle and replace the engine and transmission when it gives out. The only major issue so far was a rear main seal oil leak which was taken care os about 8 months ago. I really lucked out on this particular vehicle and have no regrets with purchasing it. Keep up your regular maintenance and these GMC Yukons will run for quite some time.

I have 2000 GMC SLE Jimmy which I bought new. It's been nothing but a nightmare since I've owned it. I've changed the water pump 3 times. A defective radiator seal caused fluid to leak in the oil compartment which cost over $1000 to repair. The A/C condenser coil water leaks on the passenger carpet and the GMC dealership NEVER correctly addressed this problem, while it was still under warranty. The problem still exists. The dealership also never correctly addressed a wheel knock issue on the front right area, while under warranty. Their lame answer for both problems were, "We can't find anything wrong." A World War II Sherman tank has a more comfortable suspension than this royal piece of garbage. I've changed every sensor and switch imaginable, that should not have gone bad, but did. The most qualified mechanics are dumbfounded about the many other problems I continue to have with this vehicle. I would recommend a jackass and buckboard before I would recommend a GM vehicle to anyone. NAFTA has destroyed American manufacturing quality! Our elected officials are bought and paid for traitors!

I have a 2005 Envoy SLT. It has been a decent car. It burns a quart of oil every 500 miles. I have had it into various dealerships and they tell it is normal and they won't do anything until a part failure happens. It has been like this for 3 years. now it has a missfire code. All the dealerships tell me it is not electronic issue put a new motor in it. Well, we have narrowed it down to an exhaust leak in cylinder three. And we found were the oil was going. strait into the spark plugs. GMC would not help us with anything for 3 years. Now I have to rebuild the motor myself because they ignored our complaints and questions. I will not buy a GMC or chevy product again because there is no one there that will help you.

I purchased a new 2002 Envoy and I love this vehicle. I now have 134,000 miles on it and aside from one complete tire replacement at about 70,000 miles (new tires scheduled for spring 2012) and new brakes it has been hassle-free. I have my oil changed, tires balanced and rotated every 3,000 miles since purchase of Envoy. After my last oil change, the "service 4wd" message appeared. I rarely, even in winter, engage the 4wd and I question if this is a switch malfunction or if the techs who changed the oil could have inadvertently bumped something to cause the message to be displayed at this time. What does 4wd service involve and what is the cost?