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1998 Ford Mustang CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Ford REPAIR SHOPS DON'T WANT YOU TO KNOW
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- 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 1998 Ford Mustang AUTOMOBILES
Component Replacement & Adjustment -> Passenger Cars -> Cooling System Bleed -> 2.0L -> 2.5L Engine -> 3.0L Engine -> 3.4L Engine -> 3.8L Engine -> 3.9L Engine -> 4.6L Engine -> Continental, Mark VIII & Town Car -> Crown Victoria & Grand Marquis -> Except Focus -> Focus -> LS -> Mustang -> Sable & Taurus
Vehicle: 1998 Ford Mustang GT 4.6 V8 GAS
2.0L
Except Focus
These engines do not require a specific bleed procedure. To ensure coolant level is satisfactory, start the engine, turn heater control to its maximum heat and vent positions. After engine reaches normal operating temperature, hot air should be blowing from the A/C vents. If cool air is blowing from the vents, coolant level is low, turn engine off and add coolant as necessary.
Focus
- Disconnect heater supply hose from engine.
- Fill cooling system through supply hose until coolant starts to trickle from engine. ...
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BRAKE SERVICE PROCEDURES FOR 1998 Ford Mustang AUTOMOBILES
Disc Brakes -> Rear Disc Brakes & Parking Brakes -> Caliper Specifications
Vehicle: 1998 Ford Mustang GT 4.6 V8 GAS
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FUEL FILTER REPLACEMENT PROCEDURES FOR 1998 Ford Mustang AUTOMOBILES
Ford Motor Co. Passenger Cars -> Fuel Pressure Relief -> Except Aspire, Festiva, Focus, Fusion, Milan, 2003-06 Crown Victoria, Grand Marquis, Sable, Taurus & Town Car, 1991-96 Escort, 1988-96 Tracer, 1991-94 Capri, 1989-91 Probe & 2005-06 Mustang
Vehicle: 1998 Ford Mustang Cobra 4.6 V8 GAS
Do not smoke or allow an open flame of any type when working on or near any fuel system related components. The highly flammable vapor mixtures may ignite, resulting in serious personal injury.
Prior to disconnecting fuel lines, the fuel system pressure must be relieved to prevent accidental spray of fuel.
When installing the fuel filter, ensure the flow arrow is facing in the proper direction...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 1998 Ford Mustang AUTOMOBILES
DRIVESHAFT, Replace
Vehicle: 1998 Ford Mustang Cobra 4.6 V8 GAS
- To maintain balance, mark relationship of rear driveshaft yoke and drive pinion flange of axle if factory alignment marks are not visible.
- Disconnect rear U-joint from companion flange.
- Wrap tape around loose bearing caps to prevent them from falling off spider.
- Pull driveshaft toward rear of car until slip yoke clears transmission extension housing and seal.
- Install suitable plug into extension housing to prevent...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 1998 Ford Mustang AUTOMOBILES
Alternator, Replace
Vehicle: 1998 Ford Mustang 3.8 V6 GAS
- Disconnect battery ground cable.
- Remove accessory drive belt from alternator pulley.
- Disconnect wire harness attachments to alternator and voltage regulator assembly.
- Remove mounting bracket top of ...
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MAINTENANCE LAMP RESET PROCEDURES FOR 1998 Ford Mustang AUTOMOBILES
Ford Motor Co. Cars -> Traction Control System Warning Lamp ->
Vehicle: 1998 Ford Mustang 3.8 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 1998 Ford Mustang AUTOMOBILES
Heater Hose, Replace -> Bypass -> Inlet -> Outlet
Vehicle: 1998 Ford Mustang 3.8 V6 GAS
Inlet
- Drain cooling system into a suitable container.
- Reposition heater hose inlet clamp at heater core.
- Remove heater inlet hose from heater core.
- Reposition heater core inlet hose clamp at engine.
- Remove hose from engine.
- Remove hose from vehicle.
- Reverse procedure to install.
Outlet
- Drain cooling system into a suitable container.
- Reposition heater hose outlet clamp at heater core.
- Disconnect heater outlet hose f...
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SERPENTINE BELT SERVICE PROCEDURES FOR 1998 Ford Mustang AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 1998 Ford Mustang GT 4.6 V8 GAS
- Insert a suitable square drive tool into square hole in tensioner arm, then rotate tensioner...
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COMPONENT LOCATION DIAGRAMS FOR 1998 Ford Mustang AUTOMOBILES
Component location diagrams for most 1998 Ford Mustang cars and light trucks sold in the U.S. from 1990+.
![]() Components on diagram: |
![]() Components on diagram: |
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WIRING DIAGRAMS FOR 1998 Ford Mustang AUTOMOBILES
OEM drawn wiring diagrams for most 1998 Ford Mustang cars and light trucks sold in the U.S.
![]() Components on diagram: |
![]() Components on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 1998 Ford Mustang AUTOMOBILES
OEM TSB listings for most 1998 Ford Mustang cars and light trucks sold in the U.S. from 1985+.
Document: RECALL - CERTAIN 1992-2003 MODEL YEAR CARS AND TRUCKS - FUSED JUMPER HARNESS REPLACEMENT FOR VEHICLES SERVICED WITH AN INCOMPATIBLE FUSED JUMPER HARNESS Vehicle: 1998 Ford Mustang 3.8 V6 GAS Auto Systems: |
Document: RECALL - 1992-2004 MULTIPLE VEHICLE LINES - SPEED CONTROL SYSTEM MODIFICATION Vehicle: 1998 Ford Mustang 3.8 V6 GAS |
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COMPONENT/PARTS SPECIFICATIONS FOR 1998 Ford Mustang AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1998 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 1998 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 1998 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 1998 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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