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.

Print this page 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.


definitely annoying
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
45,000 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 brakes problems

brakes problem

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2007 Chevrolet Suburban Owner Comments

problem #3

Aug 192011


  • 61,000 miles


Our 2007 Suburban lurched forward, and doors locked when my wife started it today. She said it also 'felt like it wouldn't go' she also stated that 'the steering locked up' and that she was scared to take it on the road from the store she was at. In the last few months we noticed 1) using excessive oil between changes 2) radio, and dash lights quitting 3) ac working intermittently. In the last 3 weeks we've had 1) the stabilitrac/tcs/check engine light come ON2) hard shifting between 1st and 2nd gear 3) abnormal idling 4) car lurching when started and doors locking on their own when this happened 4) vehicle steering locking up 5) and sluggish acceleration. 8/29/11--vehicle is at dealer for the 2nd time for the check engine/tcs/stabilitrac light....many more have had this problem on edmunds, however dealer wasn't interested in the details unless there was a fix, however I had not completed reading all of the complaints yet...

- Mesa, WA, USA

problem #2

Jan 292009

Suburban 4WD 8-cyl

  • Automatic transmission
  • 39,000 miles
The contact owns a 2007 Chevrolet Suburban. While driving from Michigan to Florida at 65 mph, the contact noticed that the brakes exhibited a really loud grinding noise when the brake pedal was depressed. He took the vehicle to a dealer in Kentucky but, due to an ice storm, there was no electricity. Approximately 12 miles from his destination, the contact discovered that he had no braking power. He placed the vehicle into low gear and applied the emergency brake when necessary in order to reach his destination. He then drove the vehicle to an independent mechanic, who stated that all of the components appeared disintegrated on the front driver's side brake system. This was deemed as the likely cause of the brake failure. The rear and front passenger side brakes were functional in comparison to the front driver's side brakes. The mechanic repaired the driver's side brake cylinder, discs, and pads at the contact's expense. There had been no failures since the repairs were performed. The manufacturer stated that they could not assist because the dealer did not perform the repairs. The current mileage was approximately 42,000 and failure mileage was approximately 39,000. Updated 4/23/09 the consumer stated the left front brake was not releasing and therfore destroyed the entire brake system. Updated 04/27/09.

- Roscommon, MI, USA

problem #1

Aug 082008


  • 35,000 miles
I stopped into to teton motors in jackson, wy. And told them I heard a squeal from my brakes. They asked how many miles on the car I told them 36,000. They said not to worry that I would not need the brakes done till 100K. I traveled 1,000 miles had the oil changed and discovered that my rear inside brake pad was gone. It could not be repaired because of lack of parts so I made the return trip under those circumstances.

- Jackson, WY, USA

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