Technical Service Bulletins (TSBs) for the 1991 Park Avenue 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

    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 »

    FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS

    • TSB #436302

      Date Announced:
      NOV 01, 1994
      NHTSA ID:
      #37848

      FAINT BUZZING NOISE FROM FRONT OF DASH AREA. *TW Read More »

    POWER TRAIN:AUTOMATIC TRANSMISSION

    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 #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:REARVIEW MIRRORS/DEVICES:INTERIOR

    • TSB #731608

      Date Announced:
      JUN 01, 1997
      NHTSA ID:
      #52564

      EXCESSIVE VIBRATION OF ELECTROCHROMIC INSIDE REARVIEW MIRROR. *TW Read More »

    VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM

    • TSB #931531

      Date Announced:
      JUN 01, 1993
      NHTSA ID:
      #39549

      LITTLE TO NO AIR FLOW FROM SIDE WINDOW DEFROSTER DUCTS. *TW Read More »

    STRUCTURE:BODY

    • TSB #832006

      Date Announced:
      DEC 01, 1998
      NHTSA ID:
      #603085

      SOME CUSTOMERS MAY COMMENT THAT THERE IS CORROSION ( RUST ) APPEARING ON THE LEFT AND /OR RIGHT ROCKER PANEL(S). *YC Read More »

    STRUCTURE:BODY:DOOR