Technical Service Bulletins (TSBs) for the 1990 Allante are official communications between Cadillac & 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)

    • TSB #130089009

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

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

    STRUCTURE:BODY:ROOF AND PILLARS

    • TSB #98045

      Date Announced:
      NOV 01, 1998
      NHTSA ID:
      #603612

      COMMENTS ABOUT A CONDITION IN WHICH THE CONVERTIBLE FOLDING TOP DOES NOT LATCH PROPERLY AT THE WINDSHIELD HEADER. *YC Read More »

    • TSB #98045

      Date Announced:
      OCT 28, 1998
      NHTSA ID:
      #615096

      SOME OWNERS OF CERTAIN VEHICLE MAY COMMENT ABOUT A CONDITION IN WHICH THE CONVERTIBLE FOLDING TOP DOES NOT LATCH PROPERLY AT THE WINDSHIELD HEADER. *TT Read More »