There are 1 stored owner reports matching the suspension leading-label group for the 2021 Chevrolet Trailblazer in our NHTSA-sourced dataset. These are unverified consumer reports and may not reflect confirmed defects.
This group counts stored reports whose component label starts with one of this site's matching prefixes, ignoring case. Each matching report counts once within the group. Components mentioned later in the label or only in the narrative are not searched. How component counts work
Loaded 1 of 1 matching reports.
Open the full vehicle complaint log (all categories)The rear shocks on the 2021 trailblazer are faulty and are blowing out causing the rear tires to bounce and eat away at the tread exposing cords becoming a safety hazard. The rear shocks blowing out is happening on several 2021 Trailblazers causing there to be a national back order leaving these vehicles and drivers to be at risk of serious accidents and injuries.
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.
NHTSA source checks for this vehicle year
Checks are recorded separately for each dataset, not for the whole page. Dates use UTC. A missing check date does not mean no records exist.
Vehicle import recorded: Apr 28, 2026. This is the stored import date, not confirmation that every source was successfully refreshed.