There are 2 stored owner reports matching the brakes leading-label group for the 2007 GMC Acadia 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 2 of 2 matching reports.
Open the full vehicle complaint log (all categories)TL* THE CONTACT OWNS A 2007 GMC ACADIA. THE CONTACT STATED THAT THE BRAKE WARNING LIGHT ILLUMINATED AND THE VEHICLE WARNED THE CONTACT TO PUT THE VEHICLE IN PARK VIA THE MESSAGE DISPLAY. THE VEHICLE WAS TAKEN TO THE DEALER WHO DIAGNOSED THAT THE MASTER CYLINDER EXHIBITED A LEAK. THE CONTAMINATED BOOSTER AND THE MASTER CYLINDER WERE REPLACED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 80,390 AND THE CURRENT MILEAGE WAS 90,000.
2007 GMC ACADIA. CONSUMER EXPRESSES DISCONTENT IN REGARDS TO SEVERAL REPAIRS AND MALFUNCTIONS WITH THE VEHICLE *TGW THE HEATER CORE LEAKED, THE CHECK ENGINE LIGHT ILLUMINATED DUE TO A FAULTY TUNING VALVE, THE AUXILIARY A/C EVAPORTOR WAS LEAKING AND HAD TO E REPLACED, THE WATER PUMP, ENGINE MOUNT, AND TORQUE CONVERTER ALL HAD TO BE REPLACED, AS WELL AS THE MASTER CYLINDER WHICH WAS LEAKING. ALSO, THE ABS LIGHT AND STABILTRAK LIGHTS ILLUMINATED.
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.