Structure Problems of GMC Sierra

The contact owns a 2011 GMC Sierra. The contact stated that while parked, the contact noticed that the frame is falling off the back of the vehicle. No warning light was illuminated. The vehicle had been diagnosed by an independent mechanic. The contact was informed that the frame rust was the failure. The vehicle had not been repaired. The manufacturer was made aware of the failure and told the contact to go to a dealer for diagnostic. The failure mileage was approximately 112,000.

See all problems of the 2011 GMC Sierra 🔎.

Tl the contact owns a 2019 GMC Sierra denali. While driving 55 mph, the tonneau cover detached form the bed of the vehicle. The contact received a recall notice for NHTSA campaign number: 19e031000 (equipment) on may 11, 2019. The vehicle was not diagnosed or repaired. The dealer and manufacturer were not contacted. The failure mileage was 10,000.

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3 cracks appeared in the top of the dash. One 2" long running from the air bag cover forward to edge of dash section. 2 cracks on back of instrument cluster one on right side 4" long, and one on the left side about 6" long. Vehicle has not been in any accidents. This seems to be a common problem that gm is ignoring.

See all problems of the 2009 GMC Sierra 🔎.

Apparently gm uses peanut oil to lubricate wiring so they can more easily insulate, etc (accorging to the gm dealer). This attracts rats and mice which chew up the wiring - potentially impacting sensors and other items controlling cruise, stability/traction control, and any number of electrical systems that the driver may be relying upon for safety. I actually had map sensor wires chewed up that disabled my stability/traction systems and inhibited engine performance. Luckily for me it happened in my driveway rather than on the highway. Dealer claims it is not warranty item even though caused by a process that gm elects to use in building the vehicle. This could impact any/every vehicle that gm builds with use of peanut oil (may indeed be all of their models).

See all problems of the 2012 GMC Sierra 🔎.

The contact owns a 2002 GMC Sierra. The contact stated that the vehicle was taken to a private mechanic for service and the mechanic stated that there was rust found in the drivers side brake baking plate and brake line. The private mechanic also stated that there may be safety related failures involving the suspension and brake pedal because the pedal had to be depressed all the way to the floor before the brakes functioned properly. In addition, the contact also stated that the safety belts failed to open and close properly. The vehicle was not taken to an authorized dealer and the manufacturer was not notified. The vehicle was not repaired. The failure and current mileages were 101,950.

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The contact owns a 2005 GMC Sierra. The contact stated that the spare tire cable would not release the tire after numerous attempts. The vehicle was taken to an independent mechanic where the spare tire housing unit was removed in order to cut the cable harness which allowed the tire to detach. The contact was in the process of replacing the spare tire housing unit. The failure mileage was 79,000. The VIN was unavailable.

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The contact owns a 2004 GMC Sierra. He was attempted to take the spare tire off of the undercarriage but was unable to remove it. The vehicle was taken to an independent repair shop where the spare tire was cut off. The mechanism that holds the spare tire appeared to be covered with rust. The failure and current mileages were 46,000. Updated 11/22/10 updated 11/23/10.

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While driving at 30-40 mph, the consumer heard a clumping noise coming from the bottom of truck. The consumer took the vehicle to the dealer and who tried to fix the vehicle, but GMC would not the allow dealer to work on the vehicle.

On my 2003 GMC truck the right rear fender broke at the bottom where the bolt screw into the support, but above a 1 1/2" to 2" above bolt. The dealer and gm rep. Said something hit the fender. On the bolt have a chip about 1/8" and no damage to the fender where something broke it.

This vehicle was bought brand new and represented as such. Upon delivery of the vehicle, my husband noticed the bed was 2 crooked on the body. The vehicle was returned to leachman motors who in turn stating it was a factory defect. The attempted to repair the vehicle by bending the frame. This was unacceptable. Gm blames leachman - leachman blames gm and we have returned the vehicle to leachman but continue to make truck payments of $452. So as not to ruin our credit. Now we have no truck and no-one is helping us!! this truck was sold as a brand new vehicle. For $34,000. We should have a perfect truck - not one with a bent frame and crooked bed!.

When the vehicle made a left or right turn the double cabin made rattling noises. The dealer inspected the vehicle but could not duplicate or correct the problem.

The vehicle experienced a rough vibration when traveling between 20 mph and 40 mph.

When traveling between 40 and 50 mph the pickup has a vibration that has been deemed "normal" by the service tech. This determination was by a factory rep. Not the local rep as he was unaware of any noise at this speed in any other vehicle. The tech. Did hear and feel this vibration. This continues to be an everyday occurrence.

Automatic transmission is leaking fluid, dealer replaced clutch slave, cylinder assembly seal and found that the fluid was leaking at the shifter on top of the transmission, transmission mount is also weak which is causing problems shifting. Nlm.

See all problems of the 1996 GMC Sierra 🔎.

Engine uses to much oil, knocks, smokes body- truck bed sides are rippeling because the metal is to thin,& can not handel the weight of a lumber rack, front bumper is dented on both sides but in differant places, was like this at delivery, all the trucks were like this but all of them in differant places. Manufacture defect exhaust- loose parts inside of muffler, exhaust rattels from mounting hardware, muffler retains water and leaks at the seams. Paint-rust on the top of cab seatbelt- driver side belt will not recoil,broken seat belt bracket. (this is a safty issue) tires-below 1/32 tread left at 23,000 miles(this is also a safty issue) transmission-makes a cluncking noise at low speeds,takes a long time to shift when running the a/c also makes a howling noise,transmission slips.

See all problems of the 2001 GMC Sierra 🔎.

The accelerator had stuck, the transmission slipped, the flaps on the fender and the door trim had fallen off, the back window leaked, the heat shield was believed to have caused a vibration in the dash-per service dealer, the coolant light stayed on, the a/c had to be repaired twice, and the rotors vibrated.

See all problems of the 2000 GMC Sierra 🔎.

Truck bed bounces excessivly at 68-75mph, shaking works itself forward to cabin of vehicle, steering wheel also shakes, took to dealer who said all truck beds do that. Problem is gradually getting worse.

See all problems of the 1999 GMC Sierra 🔎.

Brake line on drivers side rear rubbed a hole in the black hose against steel line. Tried to tie up an seperate but its to close to t connection. Both rear fenders cracked and broke. Rear main seal leaking oil.