Technical Service Bulletins (TSBs) for the 1990 Loyale are official communications between Subaru & 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

    • TSB #09-51-08R

      Date Announced:
      JUN 07, 2021
      NHTSA ID:
      #10198749

      This bulletin is to advise of SOAa??s revised catalytic converter recycling program shipping procedure. Read More »

    ELECTRICAL SYSTEM

    • TSB #15-302-22

      Date Announced:
      AUG 23, 2022
      NHTSA ID:
      #10219491

      This bulletin contains illustrations of exchange components and their manufacturer as well as a description of the proper exchange procedure. Read More »

    • TSB #15-192-22R

      Date Announced:
      MAR 18, 2022
      NHTSA ID:
      #10209915

      This bulletin has been developed to outline the steps for gathering basic essential information during diagnosis and repair of the Infotainment concerns. (Applicable to all models with Harman or Denso CP1 Infotainment). Read More »

    • TSB #01-167-08R

      Date Announced:
      JUN 17, 2021
      NHTSA ID:
      #10198758

      This bulletin contains additional information for recommended materials listed in the Service Manuals for individual models Read More »

    EQUIPMENT

    • TSB #15-302-22

      Date Announced:
      AUG 23, 2022
      NHTSA ID:
      #10219491

      This bulletin contains illustrations of exchange components and their manufacturer as well as a description of the proper exchange procedure. Read More »

    • TSB #01-167-08R

      Date Announced:
      AUG 23, 2022
      NHTSA ID:
      #10219492

      This bulletin contains additional information for recommended materials listed in the Service Manuals for individual models. Read More »

    • TSB #01-167-08R

      Date Announced:
      JUN 17, 2021
      NHTSA ID:
      #10198758

      This bulletin contains additional information for recommended materials listed in the Service Manuals for individual models Read More »

    • TSB #09-51-08R

      Date Announced:
      JUN 07, 2021
      NHTSA ID:
      #10198749

      This bulletin is to advise of SOAa??s revised catalytic converter recycling program shipping procedure. Read More »

    • TSB #14-22-16R

      Date Announced:
      FEB 01, 2021
      NHTSA ID:
      #10187315

      To help reduce confusion and increase technician efficiency, Subaru of America, Inc. (SOA) has developed the following cross reference list to help locate the appropriate Special Service Tool. Read More »

    • TSB #14-22-16R

      Date Announced:
      AUG 04, 2020
      NHTSA ID:
      #10179378

      Special Service Tools Cross Reference List. Read More »

    • TSB #01-181-20

      Date Announced:
      APR 30, 2020
      NHTSA ID:
      #10174543

      All Models (Vehicle Cleaning- COVID-19Best Practices) Read More »

    • TSB #Subaru Tech Tips

      Date Announced:
      MAY 21, 2019
      NHTSA ID:
      #10161824

      Subaru Service and Technical Support Line Newletter. Read More »

    • TSB #14-22-16R

      Date Announced:
      MAY 06, 2019
      NHTSA ID:
      #10161813

      To help reduce confusion and increase technician efficiency, Subaru of America, Inc. (SOA) has developed the following cross reference list to help locate the appropriate Special Service Tool. Read More »

    EQUIPMENT:APPLIANCE:AIR CONDITIONER

    • TSB #106896R

      Date Announced:
      AUG 15, 1998
      NHTSA ID:
      #602413

      VARIOUS INSTRUCTIONS AND PROCEDURES ON AIR CONDITIONING RETROFIT. *YC Read More »