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Service bulletins for the 1998 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.

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

By type

By component

By trouble code

Only bulletins with component: Transmission and driveline are shown. Show all

Bulletins, newest first
PI12172018-05-07. Service bulletin. POWER TRAIN. This preliminary bulletin provides a way to aid the technician in diagnosing transmission fluid leaking from the trans breather vent.
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
8371111999-01-13. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. SOME VEHICLES MAY EXPERIENCE A SHAKING SENSATION WHEN VEHICLE IS OPERATED BETWEEN 35-55 MPH (55-90 KM/H) ON SMOOTH ROADS WITH CURVES OR DIPS. *YC
100011998-08-24. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. INFORMATION ON GROWLING NOISE IN TRANSAXLE DURING FIRST FOUR MINUTES AFTER START UP. *YC

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