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.
3.4
definitely annoying
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
39,000 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.
My drver door has an electrical issue. Camt roll down window or control anything else from drver door. I have been told on numerous occasions that its mot a bad switch that its an electrical issue. Also dash wont ligjtnup now. Rear passenger side tail light has a short
Faults or shorts in the electrical harnesses have caused premature failure of headlamps and brake lights. Taking the vehicle to the dealership and the auto parts store they confirm that many people come in with this similar failure. Known issue with supplier quality on GM forums suggest that this has been an ongoing issue since model launch. We have replaced all lights and fuses chasing the harness and not still have the dealership stating that the entire electrical harness system needs replaced.
The contact owns a 2007 Chevrolet Suburban 1500. While placing fuel in the vehicle, the gasoline spews back out onto the contact. Also, the rear door opened automatically and the flip-N-fold seats flipped up and down while the vehicle was in motion. Lastly, the turn signals do not work. The contact took the vehicle to the dealer and they made her an offer; however, the contact refused. The vehicle was taken to the dealer on several occasions. The contact was aware of the safety risk involved. The failure mileage was 18,000 and current mileage was 25,000.
- Lancaster, WI, USA
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- Philadelphia, PA, USA