1991 Buick LeSabre

3 Technical Service Bulletins (TSBs)

TSB List for the 1991 Buick LeSabre

Technical Service Bulletins (TSBs) for the 1991 LeSabre 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:ENGINE CONTROL MODULE (ECU/ECM)
  • VISIBILITY:REARVIEW MIRRORS/DEVICES:INTERIOR
  • VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM

    • 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 »

    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 »

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