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:
33,768 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 wheels / hubs problems

wheels / hubs problem

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2007 Chevrolet Suburban Owner Comments

problem #3

Feb 162011


  • 66,945 miles


2007 Chevy Suburban. Consumer states problems with vehicle tires the consumer stated he experienced two delaminated cord failures. The tires continued to hold air, but was completely distorted.

- Park Ridge, IL, USA

problem #2

Jun 032008


  • 20,860 miles
We went on vacation and got a hole in the tread of the front passenger side tire on June 3, 2008. We got it replaced, and blew out the front driver's side tire on June 5, 2008. We got two new tires and put them on the rear and moved the old tires to the front. On June 18, 2008 we got another hole in the driver's side tire. We got rid of the first two tires, but still have the two we moved to the front.

- Seward, NE, USA

problem #1

Sep 022007

Suburban 8-cyl

  • Automatic transmission
  • 13,500 miles
The treadwalls on the outside of the tire at the top slits and loss air. This is unrepairable. This is the 2nd of 4 tires with the same issue. The 1st we were standing outside and the truck was parked and we heard a pop and then heard air coming from the tire. This time we were traveling and the instrument panel sensed the loss of air and alerted me and we pulled off the interstate just in time to avoid an unforeseen accident. I had 8 people including myself in the vehicle at this time.

- Houston, TX, USA

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