Technical Service Bulletins (TSBs) for the 1990 626 are official communications between Mazda & 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 #00-003-19-3583

      Date Announced:
      MAR 20, 2019
      NHTSA ID:
      #10154879

      In support of the new MRT distribution, Mazda will ship to dealers a new Dual Purpose Diagnostic Leak Detector beginning March, 2019. Training videos will be posted to MGSS shortly and Workshop Manual procedures will be revised gradually. Read More »

    FUEL SYSTEM, GASOLINE

    • TSB #00-003-19-3583

      Date Announced:
      MAR 20, 2019
      NHTSA ID:
      #10154879

      In support of the new MRT distribution, Mazda will ship to dealers a new Dual Purpose Diagnostic Leak Detector beginning March, 2019. Training videos will be posted to MGSS shortly and Workshop Manual procedures will be revised gradually. Read More »

    FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY

    • TSB #00-003-19-3583

      Date Announced:
      MAR 20, 2019
      NHTSA ID:
      #10154879

      In support of the new MRT distribution, Mazda will ship to dealers a new Dual Purpose Diagnostic Leak Detector beginning March, 2019. Training videos will be posted to MGSS shortly and Workshop Manual procedures will be revised gradually. Read More »

    ELECTRICAL SYSTEM:12V/24V/48V BATTERY

    • TSB #0102504

      Date Announced:
      JUL 21, 2004
      NHTSA ID:
      #10009427

      BATTERY TEST PROCEDURE REQUIREMENTS. *TT Read More »

    • TSB #001/97G

      Date Announced:
      APR 08, 1997
      NHTSA ID:
      #52503

      MAINTENANCE FREE BATTERY - DIAGNOSTIC AND CHARGING PROCEDURE. *TW Read More »

    ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS

    • TSB #003/97G

      Date Announced:
      JAN 19, 1997
      NHTSA ID:
      #52492

      WIPER MOTOR INOPERATIVE - CIRCUIT BREAKER ACTIVATION. *TW Read More »

    ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL

    • TSB #09-009-19-3566

      Date Announced:
      JAN 14, 2019
      NHTSA ID:
      #10153339

      In accordance with Federal regulations, follow the procedure listed below when replacing a speedometer. NOTE: Tampering with a motor vehicle odometer is strictly prohibited by Federal, and State laws. Read More »

    • TSB #09-035-17-3080

      Date Announced:
      AUG 07, 2017
      NHTSA ID:
      #10118467

      In accordance with Federal regulations, follow the procedure listed below when replacing a speedometer. NOTE: Tampering with a motor vehicle odometer is strictly prohibited by Federal, and State laws. Read More »

    AIR BAGS

    STRUCTURE:BODY:BUMPERS

    • TSB #97102302097

      Date Announced:
      OCT 23, 1997
      NHTSA ID:
      #54319

      PRE-PAINTING PREPARATIONS FOR FRONT AND REAR BUMPERS. *YC Read More »

    VEHICLE SPEED CONTROL

    • TSB #09-034-18-3430a

      Date Announced:
      OCT 10, 2018
      NHTSA ID:
      #10148072

      In accordance with Federal regulations, follow the procedure listed below when replacing a speedometer. NOTE: Tampering with a motor vehicle odometer is strictly prohibited by Federal, and State laws. Read More »

    • TSB #09-034-18-3430

      Date Announced:
      AUG 31, 2018
      NHTSA ID:
      #10144333

      In accordance with Federal regulations, follow the procedure listed below when replacing a speedometer. NOTE: Tampering with a motor vehicle odometer is strictly prohibited by Federal, and State laws. Read More »

    EQUIPMENT

    • TSB #00-003-19-3583

      Date Announced:
      MAR 20, 2019
      NHTSA ID:
      #10154879

      In support of the new MRT distribution, Mazda will ship to dealers a new Dual Purpose Diagnostic Leak Detector beginning March, 2019. Training videos will be posted to MGSS shortly and Workshop Manual procedures will be revised gradually. Read More »

    • TSB #09-034-18-3430a

      Date Announced:
      OCT 10, 2018
      NHTSA ID:
      #10148072

      In accordance with Federal regulations, follow the procedure listed below when replacing a speedometer. NOTE: Tampering with a motor vehicle odometer is strictly prohibited by Federal, and State laws. Read More »

    EQUIPMENT:ELECTRICAL

    EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

    • TSB #09-035-17-3080

      Date Announced:
      AUG 07, 2017
      NHTSA ID:
      #10118467

      In accordance with Federal regulations, follow the procedure listed below when replacing a speedometer. NOTE: Tampering with a motor vehicle odometer is strictly prohibited by Federal, and State laws. Read More »

    EQUIPMENT ADAPTIVE/MOBILITY

    • TSB #09-034-14-2956

      Date Announced:
      AUG 15, 2014
      NHTSA ID:
      #10098367

      IN ACCORDANCE WITH FEDERAL REGULATIONS, FOLLOW THE PROCEDURE LISTED BELOW WHEN REPLACING A SPEEDOMETER.NOTE:┐MAZDA VEHICLES ARE MANUFACTURED WITH TAMPER-PROOF SPEEDOMETERS. Read More »

    EQUIPMENT:APPLIANCE:AIR CONDITIONER