1991 Ford Ranger Service and Repair Manual
This factory service and repair manual for the 1991 Ford Ranger has three V6 engines and one inline-four to account for: the 4.0L, 3.0L and 2.9L OHV V6s and the 2.3L SOHC inline-four, every one naturally aspirated and gasoline fueled. Coverage spans the two-door standard cab pickup and the two-door extended cab pickup in five trims, Custom, S, Sport, STX and XLT. Each engine gets its own procedures, specifications, torque values, wiring diagrams and diagnostics, which is the point of a factory manual for a truck sold with three different V6 displacements in a single year.
Engines covered
- 4.0L V6 (245 cu in) — OHV, naturally aspirated, gasoline
- 3.0L V6 (182 cu in) — OHV, naturally aspirated, gasoline
- 2.9L V6 (177 cu in) — OHV, naturally aspirated, gasoline
- 2.3L inline-four (140 cu in) — SOHC, naturally aspirated, gasoline
Body styles covered
- 2-door standard cab pickup
- 2-door extended cab pickup
Trims covered
- Custom
- S
- Sport
- STX
- XLT
Known issues on the 1991 Ranger. Six recalls stand on the federal record for the 1991 Ranger. Two are tied to Firestone tires, one for tread separation on Wilderness AT and Radial ATX tires run at low pressure and one for Ford's replacement of Wilderness AT tires, and another covers studs holding the brake master cylinder to the vacuum booster that could crack from stress corrosion. The automatic transmission park pawl campaign is also listed. Owners have logged 143 complaints with NHTSA: 22 electrical, 17 engine and 17 suspension. Brake booster mounting, suspension and wiring procedures in this manual line up with those concerns.
CERTAIN PRO-A MOTORS CORNER LAMPS, TURN SIGNALS, AND HEADLIGHTS SOLD AS REPLACEMENT LAMPS FOR USE ON CERTAIN PASSENGER VEHICLES LISTED ABOVE. SOME COMBINATION LAMPS THAT ARE NOT E
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
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
EQUIPMENT DESCRIPTION: AFTERMARKET BRAKE ROTORS FOR USE ON CERTAIN FORD AND MAZDA TRUCKS. CRACKED CASTINGS CAUSED CRACKS TO APPEAR ON THE OUTER DIAMETER OF THE ROTOR HAT OR AROUN
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
WHEN THE AUTOMATIC TRANSMISSION SHIFT LEVER IS PLACED IN THE PARK POSITION, THE PARK PAWL DOES NOT ALWAYS ABUT OR ENGAGE THE PARK GEAR.
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
OWNER NOTIFICATION PROGRAM SUPPLEMENT 7 REVISED INFORMATION - REGARDING REPLACEMENT OF WILDERNESS AT TIRES. *TT
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
SOME VEHICLES MAY EXHIBIT HEATER CORE LEAKS. *SLC
INFORMATION REGARDING TRANSMISSION FLUID USAGE CHARTS. *SLC
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
SUBJECT REGARDING CONTAMINATION FROM PRIOR TRANSMISSION CONCERNS OR EXCESS WEAR MAY BE TRAPPED IN THE TRANSMISSION FLUID COOLING SYSTEM. *TT
INFORMATION ON THE NEW FLUSH AND FILL TOOL AVAILABLE THROUGH ROTUNDA. *TT
Showing the 8 most recent of 55 technical service bulletins on file with NHTSA.
WHILE DRIVING 30 MPH, HAD A FRONTAL COLLISION WITH A TRUCK IN WHICH THE DRIVER'S AND PASSENGER'S 3-POINT SEAT BELTS DID NOT RETRACT AND HOLD THE OCCUPANTS BACK, CAUSING INJURIES TO
CRUISE CONTROL FAILURE, DIFFICULTY DISENGAGING THE CRUISE CONTROL. TT
Showing the 2 most serious of 143 complaints filed with NHTSA.
