Technical Service Bulletins (TSBs) for the 1990 Grand Marquis are official communications between Mercury & 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.

    SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC

    • TSB #985A13

      Date Announced:
      MAR 18, 1998
      NHTSA ID:
      #601012

      THE USE OF PETROLEUM-BASED GREASE AS A LUBRICANT IN SERVICING DISC BRAKES IS NO LONGER ACCEPTABLE. *YC Read More »

    • TSB #BC3032950401

      Date Announced:
      APR 01, 1995
      NHTSA ID:
      #3030413

      UNKNOWN Read More »

    • TSB #9562

      Date Announced:
      MAR 01, 1995
      NHTSA ID:
      #39900

      ROUGHNESS CONCERN DURING BRAKE APPLICATION. *TW Read More »

    SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP

    • TSB #95212

      Date Announced:
      OCT 01, 1995
      NHTSA ID:
      #46478

      THE USE OF PETROLEUM-BASED GREASE AS A LUBRICANT IN SERVICING DISC BRAKES IS NO LONGER ACCEPTABLE BECAUSE IT MAY BE INCOMPATIBLE WITH THE RUBBER MATERIAL USED IN THE DISC BRAKE SYSTEM. Read More »

    ENGINE AND ENGINE COOLING:ENGINE

    ENGINE AND ENGINE COOLING:ENGINE:GASOLINE

    • TSB #99816

      Date Announced:
      MAY 03, 1999
      NHTSA ID:
      #606420

      FORD MOTOR COMPANY NOW RECOMMENDS SAE 5W-30 VISCOSITY GRADE FOR SERVICING ANY FORD GASOLINE-POWERED VEHICLE REGARDLESS OF MODEL YEAR. *TT Read More »

    • TSB #9582

      Date Announced:
      APR 01, 1995
      NHTSA ID:
      #41025

      A REVISED SERVICE WINDSHIELD WIPER MOTOR IS NOW AVAILABLE. *TW Read More »

    ENGINE AND ENGINE COOLING:EXHAUST SYSTEM

    • TSB #9864

      Date Announced:
      MAR 30, 1998
      NHTSA ID:
      #601312

      INFORMATION ON A BUZZING OR RATTLE NOISE FROM THE EXHAUST SYSTEM. *TT Read More »

    FUEL SYSTEM, GASOLINE

    • TSB #9523

      Date Announced:
      JAN 01, 1995
      NHTSA ID:
      #39119

      ERRATIC DISTANCE-TO-EMPTY AND FUEL GAUGE READINGS. *TW Read More »

    POWER TRAIN:AUTOMATIC TRANSMISSION

    • TSB #0015

      Date Announced:
      JAN 10, 2000
      NHTSA ID:
      #612203

      INFORMATION REGARDING THE NEW TRANSMISSION COOLER FLUSHER- SERVICE TIP. *MJS Read More »

    • TSB #99152

      Date Announced:
      JUL 26, 1999
      NHTSA ID:
      #608431

      INFORMATION ON THE NEW FLUSH AND FILL TOOL AVAILABLE THROUGH ROTUNDA. *TT Read More »

    • TSB #9888

      Date Announced:
      APR 27, 1998
      NHTSA ID:
      #601238

      INFORMATION ON A NEW TRANSMISSION FLUID USAGE CHART. *YC Read More »

    • TSB #97511

      Date Announced:
      MAR 03, 1997
      NHTSA ID:
      #51945

      FLUID- TRANSMISSION FLUID USAGE CHARTS. *JD Read More »

    • TSB #BC3032950401

      Date Announced:
      APR 01, 1995
      NHTSA ID:
      #3030413

      UNKNOWN Read More »

    POWER TRAIN:AUTOMATIC TRANSMISSION:COOLING UNIT AND LINES

    • TSB #002310

      Date Announced:
      NOV 13, 2000
      NHTSA ID:
      #616522

      SUBJECT REGARDING CONTAMINATION FROM PRIOR TRANSMISSION CONCERNS OR EXCESS WEAR MAY BE TRAPPED IN THE TRANSMISSION FLUID COOLING SYSTEM. *TT Read More »

    POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER

    • TSB #962612

      Date Announced:
      DEC 16, 1996
      NHTSA ID:
      #50997

      TRANSAXLE - TORQUE CONVERTER REPLACEMENT GUIDELINES AND TORQUE CONVERTER/TRANSAXLE COOLING SYSTEM CLEANING PROCEDURES - SERVICE TIP. *TW Read More »

    • TSB #96249

      Date Announced:
      NOV 18, 1996
      NHTSA ID:
      #50908

      TORQUE CONVERTER - LEAK TEST PROCEDURE - SERVICE TIP. *TW Read More »

    • TSB #BC3032950401

      Date Announced:
      APR 01, 1995
      NHTSA ID:
      #3030413

      UNKNOWN Read More »

    ELECTRICAL SYSTEM

    • TSB #01194

      Date Announced:
      OCT 01, 2001
      NHTSA ID:
      #627747

      THIS ARITLCE IS TO PROVIDE INFORMATION ON REPLACEMENT OF OLD STYLE HOOD LAMP SWITCH TO THE RVISED MECHANICAL HOOD LAMP SWITCH. *TT Read More »

    • TSB #98246

      Date Announced:
      DEC 07, 1998
      NHTSA ID:
      #604059

      FORD MOTOR COMPANY HAS RELEASED A NEW ELECTRICAL GREASE ( F8AZ - 19G208-AA ) TO REDUCE THE POSSIBILITY OF MOISTURE CORROSION AT THE TERMINALS. *YC Read More »

    ELECTRICAL SYSTEM:WIRING

    • TSB #99222

      Date Announced:
      OCT 18, 1999
      NHTSA ID:
      #6089681

      SUBJECT ON A WIRE HARNESS TERMINAL REPAIR KIT AVAILABLE FOR REPAIRING ELECTRICAL WIRING HARNESSES. *TT Read More »

    • TSB #96246

      Date Announced:
      NOV 18, 1996
      NHTSA ID:
      #50905

      WIRING - ELECTRICAL DIODE IDENTIFICATION AND SERVICE REPLACEMENTS. *TW Read More »

    ELECTRICAL SYSTEM:IGNITION:MODULE

    EXTERIOR LIGHTING:HEADLIGHTS

    VISIBILITY:WINDSHIELD

    • TSB #96221

      Date Announced:
      OCT 21, 1996
      NHTSA ID:
      #50940

      WINDSHIELD AND INTERIOR GLASS - FOG/FILM. *TW Read More »

    VISIBILITY:WINDSHIELD WIPER/WASHER

    • TSB #011201

      Date Announced:
      JUN 25, 2001
      NHTSA ID:
      #622660

      THIS INFORMATION IS A SUPPLEMENT TO THE WIPER SYSTEM SERVICE INFORMATION PROVIDED IN THE WORKSHOP MANUALS. THIS SERVICE INFORMATION IS INTENDED AS AN AID TO ASSIST IN DIAGNOSIS AND REPAIR OF ERRATIC WIPER SYSTEM CONDITIONS. Read More »

    VISIBILITY:WINDSHIELD WIPER/WASHER:MOTOR

    • TSB #02107

      Date Announced:
      MAY 27, 2002
      NHTSA ID:
      #636080

      TRANSFER SERVICE TIPS FOR THE FRONT WIPER MOTOR MOUNT BRACKET AND DEPRESSED PARK OUTPUT ARM. *TT Read More »

    • TSB #9582

      Date Announced:
      APR 01, 1995
      NHTSA ID:
      #41025

      A REVISED SERVICE WINDSHIELD WIPER MOTOR IS NOW AVAILABLE. *TW Read More »

    • TSB #9546

      Date Announced:
      FEB 01, 1995
      NHTSA ID:
      #39237

      REVISED WIPER MOTOR. *TW Read More »

    • TSB #9546

      Date Announced:
      FEB 01, 1995
      NHTSA ID:
      #39717

      WIPER MOTOR REPLACEMENT - UPGRADED SERVICE KITS. *TW Read More »

    VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:HEATER CORE

    • TSB #01156

      Date Announced:
      AUG 06, 2001
      NHTSA ID:
      #623944

      SOME VEHICLES MAY EXHIBIT HEATER CORE LEAKS. *SLC Read More »

    STRUCTURE:BODY:DOOR

    TIRES

    • TSB #9852

      Date Announced:
      APR 13, 1998
      NHTSA ID:
      #601290

      INFORMATION ON TIRE COMPANY TELEPHONE NUMBERS FOR CUSTOMER ASSISTANCE. *YC Read More »

    EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.

    • TSB #99129

      Date Announced:
      JUN 14, 1999
      NHTSA ID:
      #606460

      EXPERIENCING A WHINE / BUZZ TYPE NOISE IN THE SPEAKERS OF THE ENTERTAINMENT RADIO OR TWO-WAY RADIO ON VEHICLES WITH AN IN-TANK ELECTRIC FUEL PUMP. *TT Read More »

    • TSB #9873

      Date Announced:
      APR 13, 1998
      NHTSA ID:
      #601341

      EXPERIENCING A WHINING / BUZZING NOISE IN THE SPEAKERS OF THE ENTERTAINMENT RADIO OR TWO-WAY RADIO. *TT Read More »

    EQUIPMENT:APPLIANCE:AIR CONDITIONER

    • TSB #00213

      Date Announced:
      OCT 16, 2000
      NHTSA ID:
      #618546

      SUBJECT REGARDING CLIMATE CONTROL - EATC - BLOWER MOTOR CONTROL SERVICE TIPS. *JB Read More »

    • TSB #99196

      Date Announced:
      SEP 20, 1999
      NHTSA ID:
      #6090087

      INFORMATION ON IDENTIFYING NON-APPROVED / ALTERNATE REFRIGERANTS WHICH COULD CAUSE SAFETY, AND PERFORMANCE CONCERNS IF INSTALLED IN FORD A/C SYSTEMS. *TT Read More »

    • TSB #9848

      Date Announced:
      MAR 02, 1998
      NHTSA ID:
      #601269

      ANNOUNCING THE FORD OEM AIR CONDITIONING RETROFIT KIT AVAILABILITY. *YC Read More »

    UNKNOWN OR OTHER

    • TSB #01157

      Date Announced:
      AUG 06, 2001
      NHTSA ID:
      #623988

      INFORMATION REGARDING TRANSMISSION FLUID USAGE CHARTS. *SLC Read More »

    • TSB #9768

      Date Announced:
      MAR 17, 1997
      NHTSA ID:
      #51987

      FUEL ECONOMY- CUSTOMER EXPECTATIONS VERSUS VEHICLE USAGE. *JD Read More »