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1991 Ford F-150 Pickup CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Ford REPAIR SHOPS DON'T WANT YOU TO KNOW

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Get Full Access Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 1991 Ford F-150 Pickup car and truck repair procedures including Ford engine diagrams, wiring diagrams, repair work estimating measures, technical service bulletins, auto body work guidance, starter & alternator replacement procedures, serpentine belt replacement procedures, radiator & hose replacement procedures, tune-up & drivability specifications, quick lube illustrations, preventive maintenance guide, engine light reset instructions, parts removal and install procedures, fuel filter replacement directions, component location diagrams, air filter locations & replacement instructions, a/c system specifications, and general auto service procedures. You don't have to be a car mechanic or technician to know how to fix your Ford F-150 Pickup automobile. Try the Automotix DIY solution today!
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Using the Automotix DIY repair procedures will save you hundreds and even thousands of dollars! In addition, it will save you hours of touring the city searching for Ford mechanics you can trust. The Automotix DIY solution is particularly affordable. A full access to the entire DIY repair procedures and diagrams for your 1991 Ford F-150 Pickup vehicle will cost less than a single gallon of gas. Here are some of the DIY repair tips and procedures you will find here:

A/C & HEATER SERVICE PROCEDURES FOR 1991 Ford F-150 Pickup AUTOMOBILES

A/C & Cooling System Maintenance -> Ford Motor Co. -> 1990-93 Ford Bronco, E-Series, Expedition, F-Series & F-Super Duty
Vehicle: 1991 Ford F-150 Pickup 5.0 V8 GAS

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BRAKE SERVICE PROCEDURES FOR 1991 Ford F-150 Pickup AUTOMOBILES

DRUM BRAKES, FORD -> Except E & F 250-350 & F-Super Duty -> BRAKE ADJUSTMENTS -> Aerostar -> Bronco II & Ranger -> PARKING BRAKE -> SERVICE BRAKE -> With Drums Installed -> With Drums Removed
Vehicle: 1991 Ford F-150 Pickup 5.0 V8 GAS

SERVICE BRAKE

The rear brake shoes, Figs. and , adjust automatically when the vehicle is driven forward or reverse and the brakes are applied sharply several times. Manual adjustment is required only when brake shoes are replaced. When adjusting rear brakes, ensure that parking brake is properly adjusted and that equalizer is operating freely.

With Drums Removed
  • With drums removed, clean areas where shoes contact backing plate, then apply suitable lubricant to these contact areas, ensuring that lubricant does not contaminate linings.
  • Using suitable brake shoe adjusting gauge, ad...

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FUEL FILTER REPLACEMENT PROCEDURES FOR 1991 Ford F-150 Pickup 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 F-150 Pickup Super CAB 5.0 V8 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 F-150 Pickup AUTOMOBILES

DRIVESHAFT U-JOINT, Replace -> Assemble -> Disassemble -> Double Cardan -> Single Cardan, Flange Yoke -> Single Cardan, Slip Yoke
Vehicle: 1991 Ford F-150 Pickup Super CAB 4.9 L6 GAS

Single Cardan, Slip Yoke

Disassemble

Do not, under any circumstance, clamp the shaft in the jaws of a vise or similar holding fixture. Denting or localizing fracture can result, causing shaft failure during vehicle operation. Place the shaft on a suitable workbench. Do not damage the tube. If components are not marked and installed incorrectly, driveline imbalance can occur.

  • Index-mark the shaft components.
  • Remove and discard all four snap rings.
  • Clamp bearing cup removal tool No. 205-086 or equivalent in a vise.
  • If necessary, use a pair of pliers to remove a bearing cup t...

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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 1991 Ford F-150 Pickup AUTOMOBILES

Starter, Replace
Vehicle: 1991 Ford F-150 Pickup Super CAB 5.0 V8 GAS

  • Disconnect battery ground cable.
  • Raise and support vehicle, if required.
  • Disconnect electrical connector or solenoid relay wire from starter motor.
  • Remove starter motor attach...

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MAINTENANCE LAMP RESET PROCEDURES FOR 1991 Ford F-150 Pickup AUTOMOBILES

Ford Motor Co. Trucks -> Check Engine Lamp -> 1990-91 EEC-IV
Vehicle: 1991 Ford F-150 Pickup Super CAB 4.9 L6 GAS

This lamp will light when the ignition is turned On. After engine is started the lamp should go off, unless a problem has been detected by the EEC-IV system. After diagnosis and repair, the Check Engine/MIL lamp will automatically reset when stored codes are cleared from EEC-IV system memory. After diagnosis and repair, EEC-IV memory may be cleared of stored codes as follows:

  • With ignition turned Off, connect a jumper wire between Self Test and Self Test Input (STI) connectors.
  • On Aerostar, the Self Test and STI connectors are gray in color and are located on lefthand fender apron...

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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 1991 Ford F-150 Pickup AUTOMOBILES

Radiator, Replace
Vehicle: 1991 Ford F-150 Pickup 5.0 V8 GAS

  • Disconnect negative battery cable at battery.
  • Drain cooling system into a suitable container.
  • Remove overflow tube from coolant recovery bottle and detach it from radiator shroud.
  • Remove four shroud attaching bolts and position it over fan.
  • Remove lower radiator hose and position aside.
  • Remove upper radiator hose and p...

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SERPENTINE BELT SERVICE PROCEDURES FOR 1991 Ford F-150 Pickup AUTOMOBILES

Serpentine Drive Belt, Replace -> Automatic Tension -> Manual Tension
Vehicle: 1991 Ford F-150 Pickup 5.0 V8 GAS

Automatic Tension

  • Install suitable 5/16 inch closed end wrench on tensioner pulley bolt, then lift tensioner arm away from belt. Do not use socket and ratchet.
  • Remove belt, slowly release tensioner. Do not allow tensioner to snap back, as damage may result.
  • Reverse procedure to install.

Manual Tension

  • Loosen accessory adjustment bolt and pivot bolt.
  • Remove belt.
  • Reverse procedure to install, adjust belt tension as follows:
    • Lo...

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COMPONENT LOCATION DIAGRAMS FOR 1991 Ford F-150 Pickup AUTOMOBILES

Component location diagrams for most 1991 Ford F-150 Pickup cars and light trucks sold in the U.S. from 1990+.

Frame Rail Components Diagram for 1991 Ford F-150 Pickup Super CAB 5.0 V8 GASFrame Rail Components Diagram for 1991 Ford F-150 Pickup Super CAB 5.0 V8 GAS

Components on diagram:
  • Vehicle Speed Sensor
  • Heated Exhaust Gas Oxygen Sensor
  • Back-Up Lamp Switch
  • Fuel Tank Selector Valve
  • Manual Lever Position
  • CLICK HERE TO GET FULL ACCESS TO 1991 Ford F-150 Pickup PARTS/COMPONENTS LOCATION DIAGRAMS!

    WIRING DIAGRAMS FOR 1991 Ford F-150 Pickup AUTOMOBILES

    OEM drawn wiring diagrams for most 1991 Ford F-150 Pickup cars and light trucks sold in the U.S.

    1991 Ford F-150 Pickup Super CAB 5.0 V8 GAS Wiring Diagram1991 Ford F-150 Pickup Super CAB 5.0 V8 GAS Wiring Diagram

    Components on diagram:
  • A/C-Heater Control Assembly
  • Electronic Engine Control Module
  • A/C Clutch Field Coil
  • Blower Switch
  • A/C Clutch Cycling Pressure Switch
  • 1991 Ford F-150 Pickup Super CAB 5.0 V8 GAS Wiring Diagram1991 Ford F-150 Pickup Super CAB 5.0 V8 GAS Wiring Diagram

    Components on diagram:
  • Ignition Switch
  • VIP Test Connector
  • EEC Power Relay
  • Fuel Pump Relay
  • CLICK HERE TO GET FULL ACCESS TO 1991 Ford F-150 Pickup WIRING DIAGRAMS!

    TECHNICAL SERVICE BULLETINS FOR 1991 Ford F-150 Pickup AUTOMOBILES

    OEM TSB listings for most 1991 Ford F-150 Pickup cars and light trucks sold in the U.S. from 1985+.

    Document: MERCON ATF IS BRING REPLACED BY MERCON V ATF AS A SERVICE FLUID
    Vehicle: 1991 Ford F-150 Pickup 5.0 V8 GAS

    Auto Systems:
  • Chemicals, Antifreeze, Additives
  • Automatic Trans, Coolers, Torque Converter
  • Document: TRANSMISSION - 4R100/E40D - TORQUE CONVERTER ACCESS EXTERNAL DUST PLUG MAY BECOME DISLODGED
    Vehicle: 1991 Ford F-150 Pickup 5.0 V8 GAS

    Auto Systems:
  • Automatic Trans, Coolers, Torque Converter
  • CLICK HERE TO GET FULL ACCESS TO 1991 Ford F-150 Pickup TECHNICAL SERVICE BULLETINS!

    COMPONENT/PARTS SPECIFICATIONS FOR 1991 Ford F-150 Pickup AUTOMOBILES

    BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1991 Ford F-150 Pickup 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 F-150 Pickup 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 F-150 Pickup 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 F-150 Pickup 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

    CLICK HERE TO GET FULL ACCESS TO 1991 Ford F-150 Pickup SPECIFICATIONS DATA!

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    Click here to view more details1985 Ford F-150 Pickup Used Front Drive Shaft, 5.0, AUTO, 4X4 AOD, Very Good.

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