1991 Ford Explorer Service and Repair Manual

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Factory-Grade Data

The 1991 Ford Explorer service and repair manual is a detailed, OEM-style reference for diagnostics, maintenance, and repair work. Use it to verify procedures, specifications, and system information before you start a job.

You'll find coverage across key vehicle systems with clear section structure, including wiring diagrams and powertrain, braking, steering, suspension, HVAC, and electrical topics. Digital format makes it easy to search while you work.

Trims covered

  • Eddie Bauer Sport Utility 4-Door
  • XL Sport Utility 4-Door
  • Sport Sport Utility 2-Door
  • 4x4 Sport Utility 4-Door
  • XL Sport Utility 2-Door
  • Base Sport Utility 4-Door
  • XLT Sport Utility 4-Door

Engines covered

  • 4.0L 245Cu. In. V6 GAS OHV Naturally Aspirated

Index / Table of contents

  • Body
  • Brakes
  • Chassis Electrical
  • Driveline
  • Engine Cooling
  • Engine Electrical
  • Engine Mechanical
  • Engine Performance & Emission Controls
  • Fuel System
  • General Information & Identification
  • Heating, Ventilation, & Air Conditioning
  • Hybrid & Electric Vehicle Systems
  • Steering
  • Suspension
  • Transmission, Clutch, & Transfer Case
  • Wiring Diagrams

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Vehicle Safety Data

1991 Ford Explorer Recalls & Complaints

NHTSA #95I00700031/01/1996Component: STRUCTURE:BODY:HATCHBACK/LIFTGATE:SUPPORT DEVICE/STRUT

VEHICLE DESCRIPTION: MULTI-PURPOSE PASSENGER VEHICLES. THIS IS NOT A SAFETY RECALL IN ACCORDANCE WITH FEDERAL REGULATION 573. HOWEVER, IT IS DEEMED A SAFETY IMPROVEMENT CAMPAIGN

Consequence

IF A BRACKET AND GAS ASSIST CYLINDER WERE TO DETACH COMPLETELY FROM THE LIFTGATE AND NO LO

Remedy

FORD DEALERS WILL REINFORCE THE BRACKET ATTACHMENTS.

NHTSA #01X00100022/05/2001Component: TIRES:TREAD/BELT

THIS IS NOT A SAFETY RECALL IN ACCORDANCE WITH THE SAFETY ACT. HOWEVER, IT IS DEEMED A SAFETY IMPROVEMENT CAMPAIGN BY THE AGENCY. EQUIPMENT DESCRIPTION: FORD IS REPLACING A

Consequence

SHOULD THE TREAD SEPARATE AT HIGHWAY SPEEDS, A VEHICLE CRASH COULD OCCUR, POSSIBLY RESULTI

Remedy

THE REPLACEMENT/REIMBURSEMENT PROGRAM FOR THIS CAMPAIGN EXPIRED ON MARCH 31, 2002. HOWEVE

NHTSA #00T00500021/08/2000Component: TIRES:TREAD/BELT

TIRE DESCRIPTION: FIRESTONE WILDERNESS AT, SIZE P235/75R15, PRODUCED AT THE DECATUR, ILLINOIS TIRE PLANT AND ALL FIRESTONE RADIAL ATX AND RADIAL ATX II TIRES, SIZE P235/75R15. OP

Consequence

IF THE TREAD SEPARATES FROM THE TIRE, THE DRIVER CAN LOSE CONTROL OF THE VEHICLE, POSSIBLY

Remedy

THE REPLACEMENT/REIMBURSEMENT PROGRAM FOR THIS CAMPAIGN EXPIRED ON AUGUST 29, 2001. HOWEV

NHTSA #90V09800021/05/1990Component: VISIBILITY:SUN/MOON ROOF ASSEMBLY

IF SUNROOF GLASS IS REMOVED AND REINSTALLED BY VEHICLE OPERATOR, HINGE ASSEMBLIES CAN BE ACCIDENTALLY IMPROPERLY MATED.

Consequence

SUNROOF COULD DETACH FROM THE VEHICLE WHILE BEING DRIVEN,CREATING A RISK TO FOLLOWING VEHI

Remedy

INSTALL REVISED SUNROOF HINGES THAT WILL ADEQUATELY RETAIN SUNROOF ASSEMBLY.

NHTSA #97V23500118/12/1997Component: STRUCTURE:BODY:ROOF AND PILLARS

VEHICLE DESCRIPTION: MULTI-PURPOSE PASSENGER VEHICLES EQUIPPED WITH FACTORY INSTALLED SUNROOF. THE SUNROOF GLASS PANEL ASSEMBLY CAN SEPARATE WHILE THE VEHICLE IS MOVING DUE TO IN

Consequence

UNEXPECTED SEPARATION OF THE SUNROOF GLASS PANEL COULD POSSIBLY DISTRACT THE DRIVER INCREA

Remedy

OWNERS WILL BE PROVIDED WITH AN INSTRUCTION BOOKLET WHICH THOROUGHLY OUTLINES, WITH ILLUST

NHTSA #92V11300017/08/1992Component: SEAT BELTS:FRONT:BUCKLE ASSEMBLY

THE RIGID MOUNTED SAFETY BELT BUCKLES ARE DEFECTIVE IN THREE WAYS. FIRST, A FASTENED SAFETY BELT BUCKLE WILL NOT UNLATCH WHEN THE RELEASE BUTTON IS DEPRESSED. THIS RESULTS FROM INT

Consequence

AN INSUFFICIENTLY LATCHED OR UNLATCHED SAFETY BELTINCREASES THE RISK OF INJURY TO SEAT OCC

Remedy

FORD WILL REPLACE THE RIGID MOUNTED SAFETY BELT BUCKLES WITH END RELEASE SAFETY BELT BUCKL

NHTSA #91V02600012/02/1991Component: STRUCTURE:BODY:BUMPERS

REAR BUMPER REINFORCEMENT MAY BE SUBJECT TO FATIGUE CRACKING UNDER EXTENDED TRAILER TOW SERVICE WHEN USING A BUMPER-MOUNTED TRAILER HITCH BALL.

Consequence

UNDER EXTREME CONDITIONS, BUMPER COULD SEPARATE FROM THEVEHICLE WHEN USING A BUMPER MOUNTE

Remedy

INSTALL TWO BRACKETS TO REINFORCE THE BUMPER.

NHTSA #91V02500011/02/1991Component: FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY

THE HOT PLATE WELD WHICH ATTACHES THE VAPOR VENT VALVE CARRIER TO THE TOP OF THE PLASTIC FUEL TANK MAY PARTIALLY FRACTURE, ALLOWING VAPOR OF FUEL TO ESCAPE FROM THE TOP OF THE TANK

Consequence

THE ESCAPED VAPOR OR LEAKED FUEL COULD CAUSE A FIRE INTHE PRESENCE OF A SOURCE OF IGNITION

Remedy

FUEL TANK WILL BE REMOVED AND INSPECTED FOR WELD INTEGRITY. FUEL TANKS WITH INADEQUATE WEL

NHTSA #91V02400011/02/1991Component: FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY

THE FRONT HEAT SHIELD MAY CONTACT THE FRONT OF THE PLASTIC FUEL TANK, CAUSING CUTS OR OTHER DAMAGE TO THE EXTENT OF PENETRATION.

Consequence

THIS PENETRATION OF THE FUEL TANK CAUSES VAPORS TO ESCAPEAND POSSIBLY FUEL TO SPILL, WHICH

Remedy

RELOCATE THE HEAT SHIELD; INSPECT AND REPLACE DAMAGED FUEL FUEL TANKS.

NHTSA #96V02400105/02/1996Component: SERVICE BRAKES, HYDRAULIC:POWER ASSIST:HYDRAULIC

THE STUDS WHICH ATTACH THE BRAKE MASTER CYLINDER TO THE POWER BRAKE VACUUM BOOSTER ASSEMBLY CAN DEVELOP STRESS CORROSION CRACKING AFTER BEING OPERATED FOR AN EXTENDED PERIOD OF TIM

Consequence

IF A CRACK OCCURS, IT COULD RESULT IN ONE OR BOTH STUDS FRACTURING. THE MASTER CYLINDER CO

Remedy

DEALERS WILL REPLACE THE POWER BRAKE VACUUM BOOSTER ASSEMBLY.

TSB #10002643

VARIOUS NOISE ISSUES FROM THE REAR LEAF SPRINGS WHILE DRIVING. *TT

TSB #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

TSB #628153

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

TSB #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

TSB #623944

SOME VEHICLES MAY EXHIBIT HEATER CORE LEAKS. *SLC

TSB #623988

INFORMATION REGARDING TRANSMISSION FLUID USAGE CHARTS. *SLC

TSB #618532

SUBJECT PERTAINING TO SUPPLEMENTAL TIRE INFLATION LABEL. *JB

TSB #616531

ON SOME VEHICLES, THE ACCELERATOR PEDAL BRACKET MAY BECOME LOOSE OR SEPARATED FROM THE DASH PANEL. THIS MAY BE CAUSED BY REPEATED EXCESSIVE FORCE ON THE ACCELERATOR PEDAL, RESULTING IN CRACKING OF THE DASH PANEL SHEET METAL AT THE ACCELERAT

Showing the 8 most recent of 63 technical service bulletins on file with NHTSA.

20001018Component: TIRES:TREAD/BELTCrash reported5 injured1 fatalities

PE00 020; CONSUMER WAS TRAVELING ABOUT 65MPH ON HIGHWAY WHEN THE TREAD SEPARATED FROM TIRE. DRIVER LOST CONTROL OF VEHICLE, AND IT FLIPPED OVER. THERE WERE SIX PASSENGERS INS

20000813Component: TIRES:TREAD/BELTCrash reported4 injured1 fatalities

FORD EXPLORER WAS INVOLVED IN A SOLO COLLISION, WHERE THE RIGHT REAR TIRE SUSTAINED A LOSS OF IT'S TREAD, WHILE THE VEHICLE WAS TRAVELING SOUTHBOUND STATE ROUTE 99, CA. THIS TREAD

20030818Component: SEAT BELTS:FRONTCrash reported2 injured

MVA, DAMAGE TO REAREND & DRIVETRAIN; DRIVERSEAT & SEATBELT POSS. COMPROMISED. *AK

20030818Component: SEATSCrash reported2 injured

MVA, DAMAGE TO REAREND & DRIVETRAIN; DRIVERSEAT & SEATBELT POSS. COMPROMISED. *AK

Showing the 4 most serious of 764 complaints filed with NHTSA.

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