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Service bulletins for the 2000 Buick Regal

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

337 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

Only bulletins with component: Automatic transmission are shown. Show all

Bulletins, newest first
PIP53462017-08-15. Service bulletin. EQUIPMENT; POWER TRAIN:AUTOMATIC TRANSMISSION:COOLING UNIT AND LINES; POWER TRAIN. This Preliminary Information communication provides information to the technician about cooler line fittings that come with the 4T65E General Motors remanufactured transmission may not be the same as Original equipment manufacturer quick connect verses inverted flare. Dealer will need to contact General Motors Technical Assistance Center for further assistance.
00704A2003-11-22. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. THE 4T65E AUTOMATIC TRANSMISSION MAY EXHIBIT A CONDITION OF A HARSH GARAGE SHIFT INTO REVERSE OR DRIVE ON A COLD START. *TT
0207490012002-10-10. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:LEVER AND LINKAGE:FLOOR SHIFT. SOME CUSTOMERS MAY COMMENT THAT THERE IS A HOLE IN THE SHIFTER BOOT IN VEHICLES WITH FLOOR SHIFTS. *TT
010730032B2002-03-25. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. SOME OWNERS MAY COMMENT ON A TRANSMISSION OIL LEAK. *TT UPDATED *EH
0406012001-10-30. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. SOME VEHICLES MAY EXPERIENCE NO FORWARD, DELAYED FORWARD, OR THE TRANSMISSION MAY LOCK UP IN REVERSE INTERMITTENTLY, SOME VEHICLES WILL NOT MOVE WHEN PLACED IN REVERSE INTERMITTENTLY. *SLC
2602012001-05-21. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. SOME VEHICLES EQUIPPED WITH THE 4T65E TRANSMISSION MAY EXPERIENCE A CONDITION WHERE THE FOURTH CLUTCH IS BURNT UP. *TT
0101012001-03-26. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. GM POWERTRAIN IS CURRENTLY SEEKING INFORMATION REGARDING 4T65E TRANSMISSIONS WITH A WHINE NOISE IN PARK AND NEUTRAL. *TT
2102012001-03-19. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. SUBJECT REGARDING AUTOMATIC TRANSMISSION CODES P0741, P0742 - REQUEST FOR INFORMATION. *TT
990772000-01-13. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). SUBJECT REGARDING VOLUNTARY EMISSION RECALL CAMPAIGN - EVAPORATIVE EMISSION SYSTEM ODB-II DIAGNOSTIC CALIBRATION - REFLASH PCM. *TT

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.