There are 2 owner-reported brakes complaints for the 2008 Hummer H3in NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
MY BRAKES WENT OUT AND I ALMOST HAD 3 WRECKS. I WENT TO HAVE THE BRAKES CHECKED AND THEY FOUND NO PROBLEMS. BUT I AM NOW WORRIED THAT THEY WILL GO OUT AGAIN FOR NO REASON AND I MIGHT NOT BE AS LUCKY NEXT TIME. *TR
2008 HUMMER H3 ALPHA NUMEROUS PROBLEMS WITHIN THE FIRST 30-DAYS OF OWNERSHIP. ALIGNMENT REPAIR 3 TIMES, LEAKING BRAKE FLUID REPAIR, 2 TIMES, BELT REPLACED 2 TIMES. *TR
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 Apr 26, 2026