There are 1 owner-reported suspension complaints for the 2003 Isuzu Ascender in NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
THE 2003 ISUZU ASCENDER IS THE SAME VEHICLE AS A CHEVROLET TRAILBLAZER AND GMC ENVOY. AT APPROXIMATELY 51,000 MILES AND OUT OF WARRANTY. THE FAN CLUTCH MOTOR HAD TO BE REPLACED. I HAD TO ASSUME FULL PAYMENT TO REPLACE IT. NOW, THE TRUCK SOUNDED LIKE THE UNDERCARRIAGEWAS RATTLING. HAD IT TO A MECHANIC, AND THE MECHANIC STATED THAT I MUST HAVE BEEN THE SWAY BAR LINKS REPLACED IN THE VEHICLE. UPON FURTHER DISCUSSION THE MECHANIC DETERMINE D THAT HE HAD TO REPLACE THEM ON THE TRAILBLAZER , AND THE SERVICE MANAGER HAD TO HAVE THEM REPLACED ON THE ENVOY, BOTH WITH THE SAME PLATFORM. THIS SEEMED TO BE A DESIGN PROBLEM THAT GM AND ITS AFFILIATES SHOULD BE RESPONSIBLE FOR REPLACING. *AK
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Sep 8, 2026