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1991 Ford Ranger CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Ford REPAIR SHOPS DON'T WANT YOU TO KNOW
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- Component Locations
- Wiring Diagrams
- Technical Service Bulletins
- Specifications
- A/C & Heater Service
- Brake Service
- Fuel Filter Replacement
- Driveline, U-Joint & CV Axles Replacement
- Starter & Alternator Replacement
- Maintenance Lamp Reset
- Radiator & Hose Replacement
- Serpentine Belt Service
A/C & HEATER SERVICE PROCEDURES FOR 1991 Ford Ranger AUTOMOBILES
A/C & Cooling System Maintenance -> Ford Motor Co. -> 1990-93 Ford Aerostar, Bronco II & Explorer & 1990-94 Ranger
Vehicle: 1991 Ford Ranger Super 4.0 V6 GAS
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BRAKE SERVICE PROCEDURES FOR 1991 Ford Ranger AUTOMOBILES
DRUM BRAKES, FORD -> General Information -> GENERAL INSPECTION -> ADJUSTER MECHANISM -> BACKING PLATE -> BRAKE DRUMS -> BRAKE LININGS & SPRINGS -> PARKING BRAKE CABLE
Vehicle: 1991 Ford Ranger Super 2.3 L4 GAS
BRAKE DRUMS
Any time brake drums are removed for brake service, braking surface diameter should be checked with a suitable micrometer at several points to determine if they are within the safe oversize limit stamped on the brake drum outer surface. If braking surface diameter exceeds specifications, the drum must be replaced. If braking surface diameter is within specifications, drums should be cleaned and inspected for cracks, scores, deep grooves, taper, out of round and heat spotting. If drums are cracked or heat spotted, they must be replaced. Minor scores should be remove...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 1991 Ford Ranger AUTOMOBILES
Ford Motor Co. Light Trucks, SUVs & Vans -> Fuel Pressure Relief -> Gasoline Fuel Injected Engines Except Escape, Freestar, Mariner, Monterey, Villager, 2005-06 Aviator, Explorer & Mountaineer, 2005-06 Expedition & Navigator & 2004-06 F150 & Mark LT
Vehicle: 1991 Ford Ranger 2.3 L4 GAS
The fuel system remains under high pressure even when the engine is not running. This residual pressure must be relieved before servicing the fuel system. To avoid injury or fire, release pressure from the fuel system before disconnecting any fuel line.
The fuel system pressure must be relieved prior to disconnecting fuel lines to prevent accidental spray of fuel.
After the battery ...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 1991 Ford Ranger AUTOMOBILES
DRIVESHAFT, Replace -> Front -> Rear
Vehicle: 1991 Ford Ranger 4.0 V6 GAS
Front
- Raise and support the vehicle.
- Index-mark front driveshaft to front axle flange and at transfer case flange.
- Remove and discard bolts and U-joint retainers.
- Remove and discard flange bolts.
- Compress and separate front driveshaft from front axle, then separate driveshaft from transfer case. Wrap electrical tape around the bearing cups to prevent them from falling off the U-joint spider.
- Reverse procedure to install, noting the following:
- Tighten transfer case flange bolts in a cross pattern.
- Torque front propeller shaft flange bolts to transfer case to 75 ft. lbs. if equipped.
- T...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 1991 Ford Ranger AUTOMOBILES
Alternator, Replace
Vehicle: 1991 Ford Ranger Super 2.9 V6 GAS
- Disconnect battery ground cable.
- Remove air cleaner assembly, if required.
- Disconnect wire harness connectors from voltage regulator.
- Remove accessory drive belt.
- Remove alternator mounting bolts, then alternator from vehi...
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MAINTENANCE LAMP RESET PROCEDURES FOR 1991 Ford Ranger AUTOMOBILES
Ford Motor Co. Trucks -> Traction Control System Warning Lamp ->
Vehicle: 1991 Ford Ranger Super 4.0 V6 GAS
This lamp should light for a approximately 6-8 seconds when the ignition is turned On as a bulb check. If the warni...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 1991 Ford Ranger AUTOMOBILES
Heater Hose, Replace -> Inlet -> Outlet
Vehicle: 1991 Ford Ranger Super 2.9 V6 GAS
Inlet
- Drain cooling system into a suitable container.
- Reposition hose clamp at heater core and remove hose.
- Reposition hose clamp at coolant tube and remove hose.
- Remove hose from vehicle.
- Reverse procedure t...
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SERPENTINE BELT SERVICE PROCEDURES FOR 1991 Ford Ranger AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 1991 Ford Ranger 4.0 V6 GAS
- Remove air cleaner outlet tube.
- Rotate tensioner by turning counterclockwis...
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COMPONENT LOCATION DIAGRAMS FOR 1991 Ford Ranger AUTOMOBILES
Component location diagrams for most 1991 Ford Ranger cars and light trucks sold in the U.S. from 1990+.
Body Components Diagram for 1991 Ford Ranger 4.0 V6 GAS Components on diagram: |
I/P Components Diagram for 1991 Ford Ranger Super 2.3 L4 GAS Components on diagram: |
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WIRING DIAGRAMS FOR 1991 Ford Ranger AUTOMOBILES
OEM drawn wiring diagrams for most 1991 Ford Ranger cars and light trucks sold in the U.S.
1991 Ford Ranger Super 3.0 V6 GAS Wiring Diagram Components on diagram: |
1991 Ford Ranger 3.0 V6 GAS Wiring Diagram Components on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 1991 Ford Ranger AUTOMOBILES
OEM TSB listings for most 1991 Ford Ranger cars and light trucks sold in the U.S. from 1985+.
Document: MERCON ATF IS BEING REPLACED BY MERCON V AS A SERVICE FLUID FOR SOME MANUAL TRANSMISSIONS Vehicle: 1991 Ford Ranger 2.3 L4 GAS Auto Systems: |
Document: MERCON ATF IS BRING REPLACED BY MERCON V ATF AS A SERVICE FLUID Vehicle: 1991 Ford Ranger 2.3 L4 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 1991 Ford Ranger AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1991 Ford Ranger cars and light trucks sold in the U.S. and Canada from 1970+.
- Brake caliper mounting bolt torque
- Brake drum runout, machining, & discard specs
- Minimum brake lining thickness.
- Brake rotor runout, parallelism, machining, discard, & finish specs
A/C SYSTEM SPECIFICATIONS: Air conditioning refrigerant capacity and type as well as lubricant capacity for most 1991 Ford Ranger cars and light trucks sold in the U.S. and Canada from 1980+.
- Refrigerant capacity & type, compressor oil viscosity, total system oil capacity & compressor clutch gap
COOLING SYSTEM BLEED: Cooling system bleeder valve identification, bleeder type and bleed procedures for most domestic and imported cars and light trucks sold in the U.S. and Canada from 1986+.
PREVENTIVE MAINTENANCE: Preventive maintenance recommendations and required services for most domestic and imported cars and light trucks sold in the U.S. and Canada from 1980+. Includes severe and routine service schedules
QUICK-LUBE and ILLUSTRATIONS: Fluid recommendations, capacities, drain plug torques, tire data, and severe service recommended preventive maintenance schedules. Information covers most 1991 Ford Ranger cars and light trucks sold in the U.S. and Canada from 1980+. Engine and chassis service images.
- Automatic transmission/transaxles capacities, lubricant recommendations
- Differential/final drive capacities, lube recommendations, grades, & viscosities
- Final drive fill & drain plug torques
- Number of lubrication fittings & plugs
- Power steering, brake, & clutch fluid recommendations
- Manual transmission/transaxle capacities, lube recommendations, grades, & viscosities
- Number of lubrication fittings & plugs
- Power steering, brake, & clutch fluid recommendations
- Engine oil capacities, API grade recommendations, SAE viscosity recommendations, drain plug torque
- Severe service maintenance & interval recommendations
- Tire sizes, wheel nut/bolt torque, pressures & rim sizes
- Transfer case capacities, lube recommendations, grades, & viscosities
TUNE-UP & DRIVEABILITY SPECIFICATIONS: Most tune-up specifications for most 1991 Ford Ranger cars and light trucks sold in the U.S. and Canada from 1980+
- Airflow sensor electrical specifications
- Tensioning specifications for systems with automatic tensioners
- Barometric pressure sensor specs
- Battery group number and cranking performance
- Crankshaft & camshaft position sensor resistance
- Engine compression pressures
- Coolant temperature sensor specs
- Computer advance.
- Diesel fuel temperature sensor resistance.
- Distributor advance specifications
- Ignition pickup coil resistance
- Exhaust gas recirculation temperature sensor resistance
- Engine fastener torque values
- Firing order diagrams
- Fuel system pressures
- Generator (alternator) specs
- Intake air temperature sensor specs
- Ignition coil specifications
- Fuel injector resistance
- Engine idle speeds
- Knock sensor resistance
- Manifold absolute pressure sensor specs
- Mixture control solenoid resistance
- Voltage regulator specs
- Spark plug applications & gaps
- Starter motor electrical specs.
- Tensioning specifications for systems without automatic tensioners
- Throttle body temperature sensor resistance
- Ignition timing in degrees at rpm
- Transmission oil temperature sensor resistance
- Throttle position sensor specs
- Vacuum sensor valve specs
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