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BrakesPart report

2003 Isuzu Ascender Brakes Problems

Complaints
3about this part
Share
9%of 35 total for the year
Median mileage
19,000miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 3 complaints about the brakes of the 2003 Isuzu Ascender, 9% of the 35 complaints for this model year. Where a mileage was given, the median is 19,000 miles. 1 of these say a crash was involved, according to the filers.

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.

“The brake pedal went to the floor at a rapid pace when slowing down. This resulted in the vehicle not slowing down immediately. The ABS warning light came on. The dealership replaced the ABS module. The consumer had an accident after being told by the dealer that the brakes worked normally. The brakes would go to the floor and there was a humming sound when the vehicle was turned off.”

NHTSA complaint #10050233, filed 2004-01, 3,733 miles

“Dt: driver's seat belt became stuck, it was jammed on the inside. Will not come out at all. It has done this before but was able at that time to get it out. Also, when pushing down on the brakes consumer could hear a clanking noise.”

NHTSA complaint #10126792, filed 2005-06, 19,000 miles

“The contact owns a 2003 Isuzu Ascender. The contact stated that upon inspection, it was found that the brake line was perforated due to rust. The vehicle was taken to a private mechanic where the failure was confirmed. The vehicle was being repaired. The manufacturer was contacted and informed the contact that the vehicle was not included in the manufacturer's recall. The failure mileage was 102,000.”

NHTSA complaint #10551022, filed 2013-11, 102,000 miles

Related service bulletins

Brakes: other model years

YearComplaintsShare of year
200512%
200435%
200339%

Other parts of the 2003 Isuzu Ascender

Electrical system
9 complaints
Exterior lighting
7 complaints
Fuel system
6 complaints
Transmission and drivetrain
4 complaints
Body and structure
3 complaints
Engine cooling
2 complaints
Steering
2 complaints
Air bags
1 complaints
Latches, locks and linkages
1 complaints
Seat belts
1 complaints
Seats
1 complaints
Suspension
1 complaints

← All problems reported for the 2003 Isuzu Ascender

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 30, 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