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hardly worth mentioning
Crashes / Fires:
0 / 1
Injuries / Deaths:
0 / 0
Average Mileage:
64,971 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 Avalanche engine problems

engine problem

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2007 Chevrolet Avalanche Owner Comments

problem #3

Apr 042011

Avalanche 8-cyl

  • 99,000 miles


Exhaust manifold bolt heads are breaking off causing there to be an exhaust leak. Pollution recall should be inforced to have GM cover all repairs of the exhaust manifold bolts. Check engine light comes on and vehicle can not pass emissions with this problem.

- Fox Lake, WI, USA

problem #2

Feb 102012

Avalanche 8-cyl

  • 77,912 miles
Traveling at a normal rate and speed on a 5-lane highway. Vehicle loss power, engine lights activated. After maneuvering the vehicle off the highway, I shut the engine off. No signs of smoke or any leaks from engine (topside or underneath). I attempted to restart the vehicle and upon doing so the engine turned over and ran at a rough idle, clearly not on all 8 cylinders. I shut the engine off again. From that point on it was towed. The Chevrolet dealership (after 8 days and 449 miles later) then told me they could not find a problem. When they received the vehicle the original codes had been taken by a precision tune mechanic (nearest facility from location of break down) the dealership then informed me they could not duplicate the problem and was apologetic for any inconvenience. I received a bill for $103.95 and my vehicle which had only a 1/8 of a tank of fuel. After a little research I found GM recall no:08048 consequence: May cause electrical features to malfunction. Thanks Chevrolet and Chevrolet service technicians for taking care of your customers. Unfortunately their dealerships and district specialist do not follow their own executive director of safety who is quoted on the GM website "we always want to make sure customers can count on the safety and quality of their GM vehicle." Says, [xxx]. information redacted pursuant to the Freedom Of Information Act (FOIA), 5 U.S.C. 552(B)(6).

- Centreville, MD, USA

problem #1

Oct 292007

Avalanche 8-cyl

  • Automatic transmission
  • 18,000 miles
The contact owns a 2007 Chevrolet Avalanche 1500. While driving 55 mph, the instrument panel lights flickered on and off then the vehicle shut off. In addition, there was smoke inside the vehicle and fire coming from underneath the dash. The fire department extinguished the fire; however, the fire destroyed the vehicle. As of December 5, 2007, the dealer had not inspected the vehicle to determine the cause of the fire. The current and failure mileages were 18,000.

- Town Creek, AL, USA

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