2003 Chevrolet Trailblazer EXT drivetrain & axles problems

18 complaints about drivetrain & axles have been filed for the 2003 Chevrolet Trailblazer EXT, which is 4% of all its NHTSA complaints.

Complaints: 18 4% of this year's complaints
Typical mileage: 58,000 miles 14 complaints with mileage
Crashes and fires: 1 and 1
Injuries and deaths: 0 and 0

Source: NHTSA owner complaints

When drivetrain & axles problems show up

Based on 14 complaints that include mileage. 50% were reported before 60,000 miles. The amber marker shows the median: half of these complaints happened before that mileage.

View the numbers

Mileage	Complaints
0k to 20k miles	2
20k to 40k miles	4
40k to 60k miles	1
60k to 80k miles	2
80k to 100k miles	3
100k to 120k miles	0
120k to 140k miles	0
140k to 160k miles	2
160k to 180k miles	0
180k to 200k miles	0
200k+ miles	0

What the data shows

Of the 14 drivetrain & axles complaints that report mileage, the median is about 58,000 miles, and 50% were reported before 60,000 miles.

These complaints mention 1 crash, 1 fire.

What owners wrote

I purchased a 2003 trailblazer from an individual. The front differential had a hole in it. So I purchased a differential from a scrap yard. 90 day warranty. Still had a noise . I still had a noise front differential was out again. I purchased the third differential from a different yard took it apart . Found the driver side bearing bad. It seems to be a very common problem because the driver side drivers constant. I was wondering if there is a recall. I see a lot of complaints online.

May 2015 Fire

Driving down road on the way to hospital and trailblazer made a loud clunk. Then started making a whirring noise. Finished driving slowly to hospital as not to mess anything else up. Pulled in and parked. Got ready to leave hospital and had no reverse only foward.

Reported at 150,000 miles, July 2017

Drivetrain & axles problems in other years

2007
2006
2005
2004
2003
2002

Drivetrain & axles problems across all Chevrolet models