There are 3 owner-reported powertrain & transmission complaints for the 2007 Buick Rainierin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
TL* THE CONTACT OWNS A 2007 BUICK RAINIER. THE CONTACT STATED THAT AFTER SHIFTING INTO PARK, THE GEAR WOULD NOT LOCK. AS A RESULT, THE ENGINE COULD NOT BE SHUT OFF. THE VEHICLE WAS NOT INSPECTED BY A DEALER OR AN INDEPENDENT MECHANIC. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS CONTACTED AND OFFERED NO ASSISTANCE. THE FAILURE MILEAGE WAS APPROXIMATELY 95,000. THE CURRENT MILEAGE WAS APPROXIMATELY 110,000. *TR
TL* THE CONTACT OWNS A 2007 BUICK RAINIER. THE CONTACT STATED THAT WHILE DRIVING 5 MPH, THE REAR END OF VEHICLE JERKED AND THE STABLE TRACK SYSTEM WARNING LIGHT ILLUMINATED. THE VEHICLE WAS TAKEN TO THE DEALER WHO STATED THAT THE OUTPUT SHAFT ON TRANSFER CASE AND SLIP YOKE NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED BUT THE PROBLEM RECURRED. THE MANUFACTURER WAS NOT NOTIFIED. THE APPROXIMATE FAILURE MILEAGE WAS 59,507. *TR
BUICK RAINIER 2007 WITH ONLY 45000 MILES AND THE TRANSMISSION LINE ARE CORRODED SOO BAD THEY ARE LEAKING. UNBELIEABLE!! THE CAR WAS ALWAYS GARAGE KEPT AND TAKEN CARE OF. *TT
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 25, 2026