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.


really awful
Crashes / Fires:
0 / 0
Injuries / Deaths:
5 / 0
Average Mileage:
72,454 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 fuel system problems

fuel system problem

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2007 Chevrolet Suburban Owner Comments

problem #5

Feb 042015


  • 79,000 miles


The entire fuel system had corrosion on the metal fuel lines, to the point that they were about to fail, dealer replaced them.

- Avon, CT, USA

problem #4

Oct 012013

Suburban 4WD 8-cyl

  • 95,000 miles
Gas gauge showing inaccurate fuel levels. Continuously shows empty, although wll not take more fuel.

- Oxford, MI, USA

problem #3

May 032010


  • 40,000 miles
The contact owns a 2007 Chevrolet Suburban. The contact stated that after refueling, fuel spewed out from the fuel tank. The contact stated that the fire department had to be contacted. The vehicle was towed to an independent mechanic who was unable to diagnose the failure. The manufacturer was not made aware of the failure. The vehicle was not repaired. The VIN was not available. The failure mileage was 40,000 and the current mileage was 111,000.

- Prosper , TX, USA

problem #2

Oct 122011


  • 70,000 miles
The contact owns a 2007 Chevrolet Suburban. The contact stated that the radio and the entire instrument panel failed. The contact also stated that he would smell gasoline while driving the vehicle. The vehicle was then taken to the dealer for inspection where they stated that a sensor for the throttle body needed to be replaced. The vehicle was repaired but the failure recurred. The vehicle was taken to the dealer for inspection of the radio and they stated that the could not locate any issues with the radio. The vehicle was not repaired. The manufacturer was notified but provided no assistance. The failure mileage was 70,000.

- Griffin, GA, USA

problem #1

Jun 152012

Suburban 8-cyl

  • 78,268 miles
2007 Suburban vehicle came to a stop 25ft behind several stopped cars at a red light. Without provocation, the vehicle strongly accelerated/surged forward while the brakes were engaged. Driver continued to attempt to stop the vehicle by repeatedly hitting the brake pedal, but with no success. Passenger in vehicle reported seeing drivers foot on the brake. Vehicle accelerated forward into the back of another vehicle which was then pushed into a third. All three vehicles suffered damage. Airbags failed to deploy in Suburban despite level of impact. Vehicle was taken to Chevrolet dealer for complete diagnostic. Results inconclusive; no data errors recorded in computers and no apparent mechanical attribute could be found relating to vehicle action. Action could not be repeated by technician. Vehicle released to owner. No explanation could be given as to this action. Dealer did not follow up or continue investigation.

- Fresno, CA, USA

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