Technical Service Bulletins (TSBs) for the 1993 Century are official communications between Buick & their dealerships that describe processes for troubleshooting or fixing certain common problems. All vehicle manufacturers are required by U.S. law to make their TSBs available to the public.

    ENGINE AND ENGINE COOLING:ENGINE

    • TSB #98876121A

      Date Announced:
      APR 01, 1998
      NHTSA ID:
      #601058

      VEHICLES MAY EXHIBIT A CLATTERING NOISE AT IDLE SPEED ORIGINATING FROM THE TIMING CHAIN AND FRONT COVER AREA. *YC Read More »

    POWER TRAIN:DRIVELINE

    • TSB #9573T4001

      Date Announced:
      AUG 01, 1995
      NHTSA ID:
      #45881

      GRINDING AND/OR GROWLING NOISE IN PARK ON INCLINE.*SD Read More »

    POWER TRAIN:AXLE ASSEMBLY

    • TSB #990730030A

      Date Announced:
      APR 01, 2001
      NHTSA ID:
      #619370

      OWNERS OF SOME VEHICLES EQUIPPED WITH HYDRA-MATIC 3T40, 4T60, 4T60-E OR 4T65-E TRANSAXLES MAY COMMENT ON A GRINDING AND / OR GROWLING NOISE THAT IS NOTICEABLE WHEN STANDING IN PARK ON A HILL OR SLOPE WITH THE ENGINE RUNNING AND THE ... Read More »

    • TSB #990730030

      Date Announced:
      DEC 01, 1999
      NHTSA ID:
      #6089996

      SOME VEHICLES EQUIPPED WITH HYDRA-MATIC 3T40, 4T60 OR 4T60-E TRANSXALES MAY COMMENT ON A GRINDING AND / OR GROWLING NOISE THAT IS NOTICEABLE WHEN IN PARK ON INCLINE. *TT Read More »