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.


fairly significant
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
12,829 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 #2

May 102011

Suburban 4WD 8-cyl

  • 15,200 miles


Tire pressure monitoring system was problematic for years. The display would light and message center would indicate all tires were low when none were by check of accurate gauge. This problem has finally been addressed at least temporarily. Check engine lights stay on. Vehicle has been to shop and dealer on multiple occasions. Tests have been run and the codes reset, to no avail. The check engine light is on and vehicle performance seems normal, however, the warning light remains useless for any "real" problem. Please consider the low mileage (currently 18,224) when considering problems.

- Kill Devil Hills, NC, USA

problem #1

Dec 122007


  • 10,458 miles
No crashes or injuries. On the indicated date I had the engine turned off with the keys in the ignition, listening to the radio. After a short time approximately 10 minutes, I discovered that the car battery was completely drained. I have been careful not let these incidents occur again but it has repeated at least 6 times. The most recent time was when I had a flat tire replaced and the tire service tech attempted to reprogram the tire pressure monitor system at which time, the battery was drained immediately. The reprogramming was impossible because the battery would not provide electricity to complete the TPMS. I followed the owner's manual's instructions┐ and had the same results, a dead battery and unsuccessful attempt. I now have a useless TPMS and the danger of getting stranded with a dead battery. The dealership offers to attempt to fix the problem starting at $99 +. a new vehicle should be free of these types of defects. I should not be paying for the repair.

- Bakersfield, CA, USA

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