Technical Service Bulletins (TSBs) for the 1993 Regal 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.

    SUSPENSION

    • TSB #990309004

      Date Announced:
      OCT 01, 1999
      NHTSA ID:
      #6088680

      CUSTOMERS MAY COMPLAIN OF GRINDING / SCRAPING / GROANING NOISE FROM REAR SUSPENSION. *TT Read More »

    SUSPENSION:FRONT:MACPHERSON STRUT

    • TSB #133405

      Date Announced:
      JAN 01, 1995
      NHTSA ID:
      #39080

      REAR STRUT RELATED THUMPING/SQUEAKING NOISE. *TW Read More »

    SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP

    • TSB #970801735026

      Date Announced:
      AUG 01, 1997
      NHTSA ID:
      #54419

      COMMENT THAT THE ABS LIGHT IS ON WITH DIAGNOSTIC TROUBLE CODES (DTC'S) 46 AND 86 SET AS CURRENT OR HISTORY. *YC Read More »

    SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:ABS WARNING LIGHT

    • TSB #435012A

      Date Announced:
      JAN 01, 1995
      NHTSA ID:
      #39072

      ABS WARNING LIGHT IS ON. *TW Read More »

    • TSB #435012

      Date Announced:
      DEC 01, 1994
      NHTSA ID:
      #37955

      ABS WIRE HARNESS FOR THE RIGHT FRONT WHEEL MAY RUB ON THE BRAKE LINE CAUSING THE ABS WARNING LIGHT TO COME ON. *TW Read More »

    ENGINE AND ENGINE COOLING:ENGINE

    ENGINE AND ENGINE COOLING:ENGINE:GASOLINE

    • TSB #876002A

      Date Announced:
      JUL 01, 1998
      NHTSA ID:
      #615073

      SOME V6 ENGINES MAY, ON A VERY INFREQUENT BASIS, HAVE AN OIL ODOR CONDITION THAT IS GENERALLY ENCOUNTERED AFTER THE ENGINE'S OIL HAS BEEN CHANGED. Read More »

    ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)

    • TSB #130089009

      Date Announced:
      SEP 01, 2013
      NHTSA ID:
      #10246631

      Expanded Availability for Remanufacture and Return (R&R) Electronic Control Modules Read More »

    ENGINE AND ENGINE COOLING:EXHAUST SYSTEM

    • TSB #98033

      Date Announced:
      NOV 10, 1998
      NHTSA ID:
      #603002

      EVAPORATIVE EMISSION CANISTER PURGE SOLENOID VLAVE REPLACEMENT AND CONVERTIBLE ONLY, PROM REPLACEMENT. *YC Read More »

    • TSB #98033

      Date Announced:
      OCT 19, 1998
      NHTSA ID:
      #615100

      VOLUNTARY EMISSION CAMPAIGN INVOLVING THE EVAPORATIVE EMISSION CANISTER PURGE SOLENOID VALVE REPLACEMENT AND, CONVERTIBLE ONLY, PROM REPLACEMENT. *TT Read More »

    • TSB #98033

      Date Announced:
      OCT 01, 1998
      NHTSA ID:
      #602746

      VOLUNTARY EMISSION RECALL CAMPAIGN - EVAPORATIVE EMISSION CONISTER PURGE SOLENOID VALVE REPLACEMENT AND, CONVERTIBLE ONLY, PROM REPLACEMENT. *YC Read More »

    POWER TRAIN:AUTOMATIC TRANSMISSION

    POWER TRAIN:DRIVELINE

    POWER TRAIN:DRIVELINE:DRIVESHAFT

    • TSB #577106A

      Date Announced:
      FEB 01, 1997
      NHTSA ID:
      #51497

      COLD START RATTLE NOISE (DIAGNOSIS/SERVICE PROCEDURE). *TW 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 »

    • TSB #10001

      Date Announced:
      APR 01, 1998
      NHTSA ID:
      #601769

      INFORMATION ON GROWLING NOISE IN TRANSAXLE DURING FIRST FOUR MINUTES AFTER START UP. *YC Read More »

    VISIBILITY:WINDSHIELD

    • TSB #531005

      Date Announced:
      FEB 01, 1995
      NHTSA ID:
      #39278

      FRONT WINDOW SCRAPING NOISE WHEN ROLLING GLASS DOWN. *TW Read More »

    VISIBILITY:POWER WINDOW DEVICES AND CONTROLS

    VEHICLE SPEED CONTROL