There are 5 stored owner reports matching the powertrain & transmission leading-label group for the 2000 Buick Regal 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 5 of 5 matching reports.
Open the full vehicle complaint log (all categories)TRANSMISSION AFTER WARM UP BECOMES ROUGH WHILE SHIFTING THROUGH GEARS. WHINNING SOUND OCCURS AND SHIFTING THROUGH GEARS IS ROUGH. CAN TEMPORARY CORRECT THE CONDITION BY SIMPLY SHUTTING DOWN ENGINE AND RESTARTING, BUT THIS CAN BE DANGEROUS ON HIGHWAYS....THIS CONDITION STARTED AT 30,000 MILES....BUT AFTER THE 3 YEAR CAR WARRANTY EXPIRED. *AK
WHILE DRIVING VEHICLE WAS NOT SHIFTING GEARS PROPERLY. ALSO, OVERDRIVE GEAR WAS INOPERATIVE. CONTACTED DEALER. *AK
NO SUMMARY LISTED FOR ABOVE VEHICLE. *AK
TRANSMISSION "CLUNKS" WHEN SHIFTED FROM PARK TO REVERSE. HARD SHIFTS FELT THROUGH STEERING COLUMN. ENTIRE VEHICLE SHUDDERS AT 70 MPH AND LESS, FEELS AS IF CAR LURCHING FORWARD/BACK. FELT THROUGH STEERING WHEEL, SEATS, GEARSHIFT. DEALER HAS NOT BEEN ABLE TO REPAIR.*AK
CONSUMER STATES THAT THE BOLTS WERE STRIPPED FROM THE MANUFACTURER. THIS CAUSED BOLT TO FLY INTO A GASKET AND SPLIT. AS A RESULT, TRANSMISSION FLUID WAS SPRAYED ALL OVER TRANSMISSION. *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.
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.