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TSB List for the 1991 Ford Ranger

Technical Service Bulletins (TSBs) for the 1991 Ranger are official communications between Ford & 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.

  • STEERING: STEERING WHEEL/HANDLE BAR
  • SUSPENSION
  • SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS
  • SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC
  • SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP
  • ENGINE AND ENGINE COOLING:ENGINE
  • ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
  • ENGINE AND ENGINE COOLING:COOLING SYSTEM
  • ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
  • ENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSES/LINES/PIPING/FITTINGS
  • ENGINE AND ENGINE COOLING:EXHAUST SYSTEM
  • ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL
  • POWER TRAIN:MANUAL TRANSMISSION
  • POWER TRAIN:AUTOMATIC TRANSMISSION
  • POWER TRAIN:AUTOMATIC TRANSMISSION:COOLING UNIT AND LINES
  • POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER
  • POWER TRAIN:DRIVELINE
  • POWER TRAIN:AXLE ASSEMBLY
  • ELECTRICAL SYSTEM
  • ELECTRICAL SYSTEM:WIRING
  • ELECTRICAL SYSTEM:IGNITION
  • VISIBILITY:WINDSHIELD
  • VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:HEATER CORE
  • STRUCTURE
  • VEHICLE SPEED CONTROL
  • TIRES
  • EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.
  • EQUIPMENT:MECHANICAL:WRECKER AND WHEEL LIFT DEVICES
  • EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
  • EQUIPMENT:APPLIANCE:AIR CONDITIONER
  • UNKNOWN OR OTHER
  • STEERING: STEERING WHEEL/HANDLE BAR

    SUSPENSION

    • TSB #98116

      Date Announced:
      JAN 19, 1998
      NHTSA ID:
      #605577

      INFORMATION REGARDING COMPREHENSIVE PULL AND DRIFT DIAGNOSTIC PROCEDURE DEVELOPED TO ASSIST TECHNICIANS WITH VEHICLE SERVICE. *TT Read More »

    SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS

    • TSB #985A36

      Date Announced:
      MAR 18, 1998
      NHTSA ID:
      #601043

      A GRABBING AND/OR STICKING CONDITION DURING THE FIRST FEW BRAKE APPLICATIONS WHEN THE BRAKES ARE COLD OR IN THE MORNING AFTER AN OVERNIGHT RAIN MAY OCCUR ON SOME VEHICLES. *YC Read More »

    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 »

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

    • TSB #985A22

      Date Announced:
      MAR 18, 1998
      NHTSA ID:
      #601025

      A COMPREHENSIVE PULL AND DRIFT DIAGNOSTIC PROCEDURE HAS BEEN DEVELOPED TO ASSIST TECHNICIANS WITH VEHICLE SERVICE. *YC Read More »

    • 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

    • TSB #01124

      Date Announced:
      JUN 25, 2001
      NHTSA ID:
      #622665

      ON SOME VEHICLES, ENGINE OIL MAY CONTINUE TO LEAK FROM THE ENGINE OIL PAN GASKET AREA AFTER AN ENGINE OIL PAN GASKET REPAIR HAS BEEN PERFORMED. *TT Read More »

    ENGINE AND ENGINE COOLING:ENGINE:GASOLINE

    • TSB #02142

      Date Announced:
      JUL 22, 2002
      NHTSA ID:
      #635982

      SOME VEHICLES EQUIPPED WITH AN AUTOMATIC TRANSMISSION AND A 4.0L OHV ENGINE MAY EXHIBIT A NOISE / VIBRATION, NO DRIVE, UNUSUAL NOISE DURING CRANKING OR A NO CRANK CONDITION. *TT Read More »

    • TSB #01197

      Date Announced:
      OCT 01, 2001
      NHTSA ID:
      #627752

      SOME VEHICLES EQUIPPED WITH THE 4.0L OHV ENGINE MAY EXHIBIT AN ENGINE NOISE WHICH MAY BE PERCEIVED BY THE CUSTOMER AS A PISTON / ONNECTING ROD BEARING KNOCK. *TT Read More »

    • TSB #99183

      Date Announced:
      SEP 06, 1999
      NHTSA ID:
      #6090051

      SERVICE TIP INFORMATION ON REVISED OIL PAN GASKET REPLACEMENT PROCEDURE. *TT Read More »

    • TSB #6896

      Date Announced:
      AUG 01, 1999
      NHTSA ID:
      #608921

      SOME VEHICLES MAY EXHIBIT AN ENGINE NOISE WHICH MAY BE PERCEIVED BY THE CUSTOMER AS A PISTON / CONNECTING ROD BEARING KNOCK. *TT Read More »

    • TSB #13118

      Date Announced:
      AUG 01, 1999
      NHTSA ID:
      #6091931

      SOME VEHICLES MAY EXHIBIT AN ENGINE NOISE WHICH MAY BE PERCEIVED BY THE CUSTOMER AS A PISTON / CONNECTING ROD BEARING KNOCK. *TT Read More »

    • 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 »

    ENGINE AND ENGINE COOLING:COOLING SYSTEM

    • TSB #95128

      Date Announced:
      JUN 01, 1995
      NHTSA ID:
      #45093

      COOLING SYSTEM-PULSATING COOLANT FLOW-NOISE-KNOCK/THUMP - AUDIBLE IN PASSENGER COMPARTMENT. *TW Read More »

    • TSB #9587

      Date Announced:
      APR 01, 1995
      NHTSA ID:
      #41028

      A KNOCKING/THUMPING NOISE MAY BE AUDIBLE IN THE PASSENGER COMPARTMENT ON SOME VEHICLES DUE TO STEAM FORMATION IN THE COOLING SYSTEM. *TW Read More »

    ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY

    • TSB #95153

      Date Announced:
      JUL 01, 1995
      NHTSA ID:
      #45934

      TEMPERATURE GAUGE - FLUCTUATING AND /OR INACCURATE HIGH READINGS. *SD Read More »

    ENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSES/LINES/PIPING/FITTINGS

    • TSB #BC3485972301

      Date Announced:
      JAN 23, 1997
      NHTSA ID:
      #51482

      4.0L EQUIPPED VEHICLES MAY EXPERIENCE TEMPERATURE GAUGE FLUCTUATION THAT MAY BE ACCOMPANIED WITH A THUMPING NOISE OR FEEL IN THE COOLANT HOSE WITH THE ENGINE AT NORMAL OPERATING TEMPERATURE. *JD Read More »

    • TSB #BC1019997230

      Date Announced:
      JAN 23, 1997
      NHTSA ID:
      #51559

      4.0L EQUIPPED VEHICLES MAY EXPERIENCE TEMPERATURE GAUGE FLUCTUATION THAT MAY BE ACCOMPNIED WITH A THUMPING NOISE OR FEEL IN THE COOLANT HOSES WITH THE ENGINE AT NORMAL OPERATING TEMPERATURE. *JD Read More »

    ENGINE AND ENGINE COOLING:EXHAUST SYSTEM

    ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL

    • TSB #982310

      Date Announced:
      NOV 23, 1998
      NHTSA ID:
      #603724

      MASS AIR FLOW (MAF)- SENSOR CONTAMINATION- SERVICE TIP. *AK Read More »

    POWER TRAIN:MANUAL TRANSMISSION

    • TSB #7366

      Date Announced:
      NOV 01, 1999
      NHTSA ID:
      #610793

      SOME VEHICLES EQUIPPED WITH MANUAL TRANSMISSION MAY EXHIBIT NEUTRAL GEAR ROLLOVER NOISE (A LIGHT METALLIC RATTLING SOUND FROM THE TRANSMISSION) WHICH OCCURS AT IDLE WITH TRANSMISSION IN NEUTRAL CLUTCH ENGAGED (CLUTCH PEDAL UP). Read More »

    • TSB #13423

      Date Announced:
      OCT 01, 1999
      NHTSA ID:
      #609688

      VEHICLES EQUIPPED WITH MANUAL TRANSMISSION MAY EXHIBIT NEUTRAL GEAR ROLLOVER NOISE WHICH OCCURS AT IDLE WITH TRANSMISSION IN NEUTRAL AND CLUTCH ENGAGED. *TT 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 #98112

      Date Announced:
      JAN 19, 1998
      NHTSA ID:
      #605573

      SUBJECT REGARDING A NEW SERVICE CENTER SUPPORT THAT USES A THRUST BEARING (#3 AND #4) IN PLACE OF THRUST WASHERS HAS BEEN RELEASED. *TT Read More »

    • TSB #97511

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

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

    • TSB #BC1350950906

      Date Announced:
      SEP 01, 1995
      NHTSA ID:
      #45756

      HIGH ALTITUDE TRANSMISSION AVAILABLE. *TW 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 »

    POWER TRAIN:DRIVELINE

    • TSB #6603

      Date Announced:
      JUL 01, 1999
      NHTSA ID:
      #610704

      SOME VEHICLES MAY EXHIBIT AN AUDIBLE PINGING OR CREAKING NOISE THAT MAY BE HEARD FROM THE DRIVELINE WHEN ENGINE TORQUE IS INITIALLY APPLIED TO THE DRIVELINE. *TT Read More »

    • TSB #971110972312

      Date Announced:
      NOV 10, 1997
      NHTSA ID:
      #53668

      CONCERNS WITH "PINGING" OR "CREAKING" BEING HEARD FROM THE DRIVELINE WHEN SHIFTING FROM PARK TO DRIVE OR REVERSE, BETWEEN DRIVE AND REVERSE, OR WHEN ENGAGING THE CLUTCH. *YC Read More »

    • TSB #962417

      Date Announced:
      NOV 18, 1996
      NHTSA ID:
      #50915

      NOISE - PINGING OR CREAKING FROM DRIVELINE WHEN VEHICLE IS PUT INTO GEAR. *TW Read More »

    POWER TRAIN:AXLE ASSEMBLY

    • TSB #12905

      Date Announced:
      JUN 01, 1999
      NHTSA ID:
      #606937

      SOME VEHICLES MAY EXPERIENCE AXLE WIND UP AND / OR CLUNKING, POPPING, RATCHETING TYPE NOISES WHEN MAKING CORNERING MANEUVERS ON VEHICLES EQUIPPED WITH A FOUR WHEEL DRIVE HI OR LOW RANGE MODE. *TT Read More »

    • TSB #983074

      Date Announced:
      FEB 27, 1998
      NHTSA ID:
      #607369

      CONCERNS WITH AXLE WIND-UP AND / OR CLUNKING, POPPING, RATCHETING TYPE NOISES WHEN MAKING CORNERING MANEUVERS. *TT Read More »

    • TSB #BC0131960102

      Date Announced:
      DEC 01, 1995
      NHTSA ID:
      #46438

      4X4 FRONT AXLES MUST USE HYPOID 4X4 GEAR OIL P/N F1TZ-19580-A & HIGH TEMP 4X4 FRONT AXLE & WHEEL BEARING GREASE WHEN SERVICING. IT IS NOT RECOMMENDED TO USE HEAVIER WEIGHT LUBES IN THESE FRONT AXLES. Read More »

    ELECTRICAL SYSTEM

    • 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

    • TSB #95102

      Date Announced:
      MAY 01, 1995
      NHTSA ID:
      #42087

      VEHICLES MAY HAVE A DISCONNECT OF THE IGNITION CONTROL MODULE (ICM) CONNECTOR OR MOISTURE BUILDUP WITHIN THE CONNECTOR. *TW Read More »

    VISIBILITY:WINDSHIELD

    • TSB #96221

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

      WINDSHIELD AND INTERIOR GLASS - FOG/FILM. *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

    • TSB #9747

      Date Announced:
      FEB 17, 1997
      NHTSA ID:
      #51689

      FRAME- RIVET REPLACEMENT WITH BOLTS- SERVICE TIPS. *JD Read More »

    VEHICLE SPEED CONTROL

    TIRES

    • TSB #01B77

      Date Announced:
      OCT 01, 2001
      NHTSA ID:
      #628153

      OWNER NOTIFICATION PROGRAM SUPPLEMENT 7 REVISED INFORMATION - REGARDING REPLACEMENT OF WILDERNESS AT TIRES. *TT Read More »

    • TSB #995157

      Date Announced:
      MAY 01, 1999
      NHTSA ID:
      #606945

      INFORMATION ON MAINTAINING TIRE PRESSURE. *TT Read More »

    • 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 »

    EQUIPMENT:MECHANICAL:WRECKER AND WHEEL LIFT DEVICES

    • TSB #985A12

      Date Announced:
      MAR 18, 1998
      NHTSA ID:
      #601010

      RECOMMENDED GUIDELINES FOR TOWING BEHIND RECREATIONAL VEHICLES. *TT Read More »

    EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

    • TSB #SFA/94L04

      Date Announced:
      MAR 01, 1995
      NHTSA ID:
      #39823

      SPECIAL FIELD ACTION - 94L04 - RANGERS EQUIPPED WITH 2.3L DUAL SPARK PLUG ENGINES, MAY NOT HAVE HAD THE SPARK PLUGS CHANGED AT THE PROPER INTERVAL. Read More »

    • TSB #SFA/94L04

      Date Announced:
      MAR 01, 1995
      NHTSA ID:
      #3055120

      UNKNOWN Read More »

    EQUIPMENT:APPLIANCE:AIR CONDITIONER

    • 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 #BC2361970501

      Date Announced:
      MAY 01, 1997
      NHTSA ID:
      #52810

      AUTHORIZED WARRANTY PART REPLACEMENT OF BRAKE PADS TO CORRECT EXCESSIVE BRAKE NOISE. *TW Read More »

    • TSB #9768

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

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

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