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SuspensionPart report

2003 Chevrolet Trailblazer EXT Suspension Problems

Complaints
12about this part
Share
4%of 313 total for the year
Median mileage
43,000miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 12 complaints about the suspension of the 2003 Chevrolet Trailblazer EXT, 4% of the 313 complaints for this model year. Where a mileage was given, the median is 43,000 miles.

Fewer than 15 complaints name this part, so treat the figures as a rough indication only.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“Purchased a 2003 chevy trailblazer-ext lt in dec 2002 from the dealer, team Chevrolet in pasadena. Since purchasing the vehicle, there's been several recalls, one in particular that keeps recurring are the brake lights keep burning, the dealer changed both units but it keeps burning out. I got tired of taking it to the dealer, so I purchased new bulbs and looked into replacing them myself. …”

NHTSA complaint #10315703, filed 2010-03, 89,500 miles

“This vehicle is 4 months old and just rolled over to 7000 miles. It is in the shop currently for the sixth time and has now been out of commission for over 30 days. It has had multiple transmission problems; valve body twice, torque converter, shift solenoid, btsi solenoid, floor shifter (with console) all had to be replaced. It is in the shop now for the 4 wheel drive for the second time; 1st time to repair problem I was having and repaired per service bulletin. Obviously that did not repair the problem as I just had the same problem again. …”

NHTSA complaint #10056991, filed 2004-02, 4,041 miles

“Dt: the contact stated when turning a corner or driving over a bump heard a loud noise. It sounded as though metal was rubbing together. This happened when she drove the vehicle off of the lot. The vehicle has been to the dealership multiple times. They replaced the front suspension sway bar and front control arm six times, and had to be replaced every six months or 3,000 miles. The vehicle was still experiencing the same problems. Updated 12/27/2005.”

NHTSA complaint #10144210, filed 2005-12, 3 miles

“Passenger side upper ball joint came out causing the lower ball joint to also come out resulting in a cut ABS sensor wire and a bent strut and finally a axle that ripped out of the transfer case which destroyed the case cover.”

NHTSA complaint #10171395, filed 2006-10, 56,000 miles

“Contact states: left and right lower control arm failed and vehicle makes a noise when coming to a stop or making a right turn. Contact says that 2002 Chevrolet, trailblazer was recalled for the same problem that he is having.”

NHTSA complaint #10119590, filed 2005-05, 58,000 miles

Related service bulletins

Suspension: other model years

YearComplaintsShare of year
2003124%
200244%

Other parts of the 2003 Chevrolet Trailblazer EXT

Fuel system
89 complaints
Electrical system
77 complaints
Transmission and drivetrain
49 complaints
Visibility (wipers, defrost, mirrors)
26 complaints
Exterior lighting
23 complaints
Body and structure
20 complaints
Engine cooling
16 complaints
Brakes
13 complaints
Latches, locks and linkages
13 complaints
Other or unknown
7 complaints
Vehicle speed control
7 complaints
Steering
6 complaints

← All problems reported for the 2003 Chevrolet Trailblazer EXT

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology