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

10.0

really awful
Typical Repair Cost:
$800.00
Average Mileage:
140,000 miles
Total Complaints:
1 complaints

Most Common Solutions:

  1. not sure (1 reports)
2003 Chevrolet Avalanche engine problems

engine problem

Find something helpful? Spread the word.
Get notified about new defects, investigations, recalls & lawsuits for the 2003 Chevrolet Avalanche:

Unsubscribe any time. We don't sell/share your email.

2003 Chevrolet Avalanche Owner Comments

problem #1

May 012012

Avalanche Z66 5.3L

  • Automatic transmission
  • 140,000 miles

A D V E R T I S E M E N T S

starts with difficulty, runs very rough until warm, then seems to operate fine until the first start in the morning...then all over again

Update from Oct 16, 2013: failing fuel pump fixed the problem

- , Moscow, TN, USA

Not what you are looking for?