Huge win for car owners! All TSBs to be made public. The Center for Auto Safety just made the NHTSA (US Government) make public the full text of all TSBs from now on. They are the same organization that has petitioned the NHTSA & filed lawsuits to protect car owners over exploding gas tanks & other major safety issues. Whenever you drive in your car, you are safer thanks in part to a lot of work over the years by this small but very effective consumer advocacy group.

Please take a moment & say thank you by donating $5 or whatever you can to the Center for Auto Safety.

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CarComplaints.com Notes: Engines shouldn't need a new quart of oil every 500-1000 miles, but for thousands of Suburban owners that's exactly what's happening. Engine oil consumption on aluminum block engines with Active Fuel Management (AFM) is out of control and owners are left looking for answers.

The most likely culprit is an uncovered AFM valve which, in many cases, can be covered under warranty. The problem is the issues don't stop there and many owners have been told by GM just to buy a new engine. Take one guess who they want to pick up the tab.

1.9

hardly worth mentioning
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
85,251 miles

About These NHTSA Complaints:

This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.

So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.

2007 Chevrolet Suburban drivetrain problems

drivetrain problem

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2007 Chevrolet Suburban Owner Comments

problem #12

Jun 062016

Suburban

  • 169,887 miles

A D V E R T I S E M E N T S

The contact owns a 2007 Chevrolet Suburban. While driving 50 mph, the vehicle failed to accelerate when the accelerator pedal was depressed. The check engine, electronic stability control, check suspension, and traction control warning lights illuminated. The failure recurred whenever the vehicle was in operation. The vehicle was taken to the dealer, but was not diagnosed or repaired. The manufacturer was not made aware of the failure. The failure mileage was 169,887.

- Clinton, MD, USA

problem #11

May 122010

Suburban

  • 50,000 miles
The contact owns a 2007 Chevrolet Suburban 1500. While driving approximately 30 mph, the vehicle failed to accelerate when the accelerator pedal was depressed and the vehicle began to reverse. The contact had to immediately place the shift lever into the park position. The failure occurred four times. The vehicle was taken to an independent mechanic who stated that the transmission needed to be replaced. The vehicle was repaired, but the failure persisted. The manufacturer was not notified of the failure. The approximate failure mileage was 50,000.

- Mira Loma , CA, USA

problem #10

Jun 302014

Suburban

  • 107,000 miles
Ignition does not engage engine when key is turned. Takes several attempts of turning key on, completely off, then on again until engine will engage and start. Stabilitrak light illuminates and goes off every 20-40 miles. Rough shift between first and second gear.

- Highland, CA, USA

problem #9

Mar 272014

Suburban

  • 106,000 miles

A D V E R T I S E M E N T S

The forward sprag unit broke which ended up not only causing the vehicle to come out of drive while we were driving but also caused significant enough damage to the transmission to requite an entire rebuild. Faulty transmissions are a very common issue with this vehicle, and the Tahoe, Yukon and because the company refuses to back their products and recall the issue, it ends up becoming a huge financial burden on a family. Thankfully there was no one following directly behind us when this happened or it could have been much worse. Chevrolet needs to take note and stand behind their products. Consumers have a right to expect a quality vehicle that should last well beyond 100K miles without requiring this kind of major repair. Note that GM is so aware of this safety problem, they actually updated their input sprag on later cars to make them stronger. Thats right, they have updated the component but refuse to recall the ones already in vehicles that were weak. The transmission shop that rebuilt my transmission had the exact same issue on the vehicle that followed mine. This seems to be a pattern with GM that the NHTSA should look into.

- Azle, TX, USA

problem #8

Mar 032008

Suburban

  • 10,000 miles
Like to place a formal complaint regarding the oil consumption for 2007 Chevy Suburban and the horrible quality of vehicle. A few months after purchasing the vehicle the transmission gave out. I've been having problems with oil consumption and its horrible. I believe that Chevy should stand behind their product and do a massive recalls for these vehicle. Again, Chevy should stand behind their product. There are so many reviews about this same problem. Obvious there is a problem. Will never buy a Chevy again nor will I recommend Chevy vehicles!!

- Maxwell, TX, USA

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problem #7

May 242013

Suburban 8-cyl

  • 121,000 miles
Oil consumption - after advising terry labonte Chevrolet (greensboro, nc) of oil consumption issues from 60K thru 99K and former diagnostics completed by collins Chevrolet (mt. Airy, nc) @ 55K 59K & 60K GM is unwilling to make repair under warranty at 121K stating that no notes were recorded of incidents upon prior notification. Dealership stated repair require piston rebuild for $5100 GM rep approved repair for $1365. GM cust care unwilling to cover repair and has disregarded prior documentation of complaint at 55K, 59K, & 60K. Dealership are aware of problematic 5.3 stating upon description of issue without review of records that vehicle is 07.

- Greensboro, NC, USA

problem #6

Oct 102012

Suburban 8-cyl

  • 89,000 miles

A D V E R T I S E M E N T S

Transmission stopped working while driving had been slight vibration several month prior which was reported to dealer-he said wheel balance-did not help only 1st and 2nd gear worked. Local dealer quoted $2,800 to replace. Dealer had the car for over a month.GM offered to pay 45%. I would pay $1540. When picked up car I had to pay $2300! told the warranty from GM caused the price to go up. The car still has a vibration. A car with 80,000 miles should not need a new transmission.

- Easton, CT, USA

problem #5

Oct 182012

Suburban

  • 138,000 miles
The contact owns a 2007 Chevrolet Suburban 1500. The contact stated that while driving 45 mph, the transmission failed. The vehicle was towed to a transmission specialist for inspection where they stated that the transmission needed to be repaired. The vehicle was repaired but the failure recurred. The manufacturer was notified and stated that the failure was not a common problem and that they could provide no assistance. The failure mileage was 138,000.

- Bethel, CT, USA

problem #4

Jan 092012

Suburban 8-cyl

  • 58,000 miles
On two occasions an error message that read "service 4 wheel drive" appeared on the display. I mentioned this to the service department while there for an oil change, and was told that everything checked out okay, and that I should drive the vehicle in 2wd, not auto. Also, I have been having a transmission slippage issue that started between 50,000 miles and 58,000 miles and was very sporadic. When starting from a dead stop (stop light for example), the transmission wouldn't engage as I pressed the accelerator. After 10 to 15 seconds of pressing my foot on the accelerator, the transmission would finally engage and the vehicle would move slowly with the engine revving. I mention this to the dealer when the vehicle has approximately 58,000 miles and I'm told that they will need to keep the vehicle for a few hours and there is a cost of $120 plus tax to perform diagnostic testing. As my schedule did not allow for this that day, I left. The problem was very sporadic at this point. At 63,000 miles I am driving over a mountain pass and the display reads something along the lines of "transmission overheating". I pull off the road and wait for it to cool, then make my way home. I entire trip home the transmission is slipping between all gears and shifting hard in the higher gears. I take it into the dealer for diagnostics the next business day and I'm told that I need a new transmission. I am advised by the dealer that there is "no external cause for this failure" and " the inner mechanism of the transmission has fallen apart and cannot be repaired". my powertrain warranty ended 6 months ago, so I face a $3,350 bill for this repair. After I complain to GM customer assistance, they agree to pay 30% of the repair and 5 days of the rental car, but I feel they should pay the entire amount.

- Des Moines, WA, USA

problem #3

May 132012

Suburban 8-cyl

  • 79,000 miles
My Suburban wont shift or move in drive or in 3rd. It will go in to 2nd and 1st and reverse. It just revs up when in drive. I was reading online and found several other people to have the same problem with this vehicle. This should be a recall on the transmission or defective parts causing this in the transmission.

- Bullhead City, AZ, USA

problem #2

Feb 082012

Suburban

  • miles
I just got a call today from my mechanic and he told me that the whole rear axle had to be replaced and if I don't replace it I could have an accident. What can I do to get this replace at no cost. Is there a recall for this "??"

- Dublin , TX, USA

problem #1

Jan 222012

Suburban

  • 95,122 miles
I was proceeding from an intersection and turning left, I reached a speed of 15-20 mph and there was a "bang" and a "clunk" and the power to the wheels was gone, I coasted to the roadside and was unable to put the car in "D" drive or "3" it was as if it was in neutral. I was able to limp home using 1st and 2nd gears. Vehicle was towed to dealership for a transmission replacement due to the failure of the forward sprag component.

- Townsend, MA, USA

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