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1991 Ford Mustang CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Ford REPAIR SHOPS DON'T WANT YOU TO KNOW
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- 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
Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 1991 Ford Mustang 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 Mustang automobile. Try the Automotix DIY solution today!
A/C & HEATER SERVICE PROCEDURES FOR 1991 Ford Mustang AUTOMOBILES
A/C & Cooling System Maintenance -> Ford Motor Co. -> 1990-2002 Ford Mustang
Vehicle: 1991 Ford Mustang LX 5.0 V8 GAS
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BRAKE SERVICE PROCEDURES FOR 1991 Ford Mustang AUTOMOBILES
DISC BRAKES, FORD MOTOR CO. -> General Information -> GENERAL PRECAUTIONS
Vehicle: 1991 Ford Mustang LX 5.0 V8 GAS
- Grease or any other foreign material must be kept off the caliper, surfaces of the disc and external surfaces of the hub, during service procedures. Handling the brake disc and caliper should be done in a way to avoid deformation of the disc and nicking or scratching brake linings.
- If inspection reveals rubber piston seals are worn or damaged, they should be replaced immediately.
- During removal and installation of a wheel assembly, exercise care so as not to interfere ...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 1991 Ford Mustang AUTOMOBILES
Ford Motor Co. Passenger Cars -> Fuel Filter Scheduled Maintenance -> 1980-98 Mustang & 1980-86 Capri -> Normal Service -> Severe Service
Vehicle: 1991 Ford Mustang GT 5.0 V8 GAS
Normal Service
Ser...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 1991 Ford Mustang AUTOMOBILES
DRIVESHAFT, Replace
Vehicle: 1991 Ford Mustang LX 5.0 V8 GAS
- To maintain balance, mark relationship of rear driveshaft yoke and drive pinion flange of axle if alignment marks are not visible.
- Disconnect rear U-joint from companion flange, Fig. . Wrap tape around loose bearing caps to prevent them from falling off spider.
- Pull driveshaft tow...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 1991 Ford Mustang AUTOMOBILES
Starter, Replace
Vehicle: 1991 Ford Mustang LX 2.3 L4 GAS
- Disconnect battery ground cable.
- Raise and support vehicle.
- Disconnect starter cable from motor.
- Remove starter motor mounting bolts, then starte...
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MAINTENANCE LAMP RESET PROCEDURES FOR 1991 Ford Mustang AUTOMOBILES
Ford Motor Co. Cars -> Powertrain Malfunction Indicator ->
Vehicle: 1991 Ford Mustang GT 5.0 V8 GAS
This lamp should light when the ignition is turned On. After engine starts, the lamp should go off, unless a fault condition is detected in the powertrain system. If the lamp remains On a diagnostic trouble code is stored in the PCM. Following diagnosis and repair, the Powertrain Malfunction Indicator will automatically reset when stored diagnostic trouble codes are cleared from PCM memory. The PCM reset procedure allows the scan tool to command the PCM to clear all diagnostic trouble codes.
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 1991 Ford Mustang AUTOMOBILES
Radiator, Replace
Vehicle: 1991 Ford Mustang LX 5.0 V8 GAS
- Disconnect battery ground cable.
- Drain cooling system into a suitable container.
- Disconnect coolant recovery hose at radiator.
- Disconnect upper radiator hose.
- Disconnect lower radiator hose.
- Disconnect transmission oil cooler lines.
- Remove two upper shroud retaining bolts at radiator support.
- Lift fan shroud sufficiently to disengage lower retaining clips and lay sh...
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SERPENTINE BELT SERVICE PROCEDURES FOR 1991 Ford Mustang AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 1991 Ford Mustang GT 5.0 V8 GAS
- Lift or rotate automatic tensioner.
- Remove old belt.
- I...
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COMPONENT LOCATION DIAGRAMS FOR 1991 Ford Mustang AUTOMOBILES
Component location diagrams for most 1991 Ford Mustang cars and light trucks sold in the U.S. from 1990+.
 Body Components Diagram for 1991 Ford Mustang LX 5.0 V8 GASComponents on diagram: |
 Engine Compartment Components Diagram for 1991 Ford Mustang LX 2.3 L4 GASComponents on diagram: |
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WIRING DIAGRAMS FOR 1991 Ford Mustang AUTOMOBILES
OEM drawn wiring diagrams for most 1991 Ford Mustang cars and light trucks sold in the U.S.
 1991 Ford Mustang LX 2.3 L4 GAS Wiring DiagramComponents on diagram: |
 1991 Ford Mustang LX 2.3 L4 GAS Wiring DiagramComponents on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 1991 Ford Mustang AUTOMOBILES
OEM TSB listings for most 1991 Ford Mustang cars and light trucks sold in the U.S. from 1985+.
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Document: MERCON ATF IS BEING REPLACED BY MERCON V AS A SERVICE FLUID FOR SOME MANUAL TRANSMISSIONS Vehicle: 1991 Ford Mustang GT 5.0 V8 GAS Auto Systems: |
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Document: WHINING / BUZZING NOISE COMES THROUGH ENTERTAINMENT OR TWO-WAY RADIO SPEAKER Vehicle: 1991 Ford Mustang GT 5.0 V8 GAS Symptoms: |
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COMPONENT/PARTS SPECIFICATIONS FOR 1991 Ford Mustang AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1991 Ford Mustang 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 Mustang 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 Mustang 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 Mustang 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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