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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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- 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
Computer Relearn Procedures -> Ford Motor Co. -> 1999-2002 -> 2003-04 -> Automatic Data Transfer -> Except 1999-2002 -> Manual Data Entry -> Powertrain Control Module (PCM)
Vehicle: 1998 Ford Mustang GT 4.6 V8 GAS
Powertrain Control Module (PCM)
Except 1999-2002
Disconnect negative battery cable for a minimum of five minutes. After clearing memory, it is required to drive vehicle a minimum of 10 miles to allow PCM time to relearn operating strategy.
1999-2002
Automatic Data Transfer
- Prior to removing old PCM, connect a suitably programmed scan tool to Data Link Connector (DLC).
- Follow scan tool manufacturers' instructions to download data from old PCM.
- Install new PCM and connect scan tool to DLC.
- Follow scan tool manufactur...
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BRAKE SERVICE PROCEDURES FOR 1998 Ford Mustang AUTOMOBILES
Disc Brakes -> Front Disc Brakes -> Caliper Service -> 1997-98 Mustang Cobra -> Aspire -> Assemble -> Contour & Mystique -> Disassemble -> Escort, Tracer & ZX2 -> Except Aspire, Contour, Escort, Mystique, Probe, Tracer, ZX2 & 1997-98 Mustang Cobra -> Except Aspire, Escort, Probe, Tracer, ZX2 & 1997-98 Mustang Cobra -> Inspection -> Overhaul -> Probe -> Replacement
Vehicle: 1998 Ford Mustang 3.8 V6 GAS
Replacement
On models with anti-lock brakes, the brake booster system must be depressurized before disconnecting any hydraulic lines or fittings. Depressurize the system by pumping the brake pedal a minimum of 25 times with the ignition in the Off position.
Except Aspire, Contour, Escort, Mystique, Probe, Tracer, ZX2 & 1997-98 Mustang Cobra
Before removing calipers, mark lefthand and righthand calipers so they can be installed in the same position.
- On Town Car and Continental, turn air suspension service switch off if equipped.
- On all models, raise and support front of vehicle, then ...
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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 GT 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
Starter, Replace
Vehicle: 1998 Ford Mustang Cobra 4.6 V8 GAS
- Disconnect battery ground cable.
- Raise and support front of vehicle.
- Disconnect S terminal connector. Pull on connector only.
- Disconnect starter cable from starter.
- Remove starter...
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MAINTENANCE LAMP RESET PROCEDURES FOR 1998 Ford Mustang AUTOMOBILES
Ford Motor Co. Cars -> Anti-Lock Brake Warning Lamp ->
Vehicle: 1998 Ford Mustang GT 4.6 V8 GAS
This lamp should light when the ignition is turned On. It may light for as long as 30 seconds as a bulb and system inspect. If the lamp remains lit or lights while operating the vehicle, a fault condition in the anti-lock brake system is indicated. When the lamp is lit, turn ignition Off, then start...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 1998 Ford Mustang AUTOMOBILES
Heater Hose, Replace -> Bypass -> Inlet -> Outlet
Vehicle: 1998 Ford Mustang GT 4.6 V8 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 from heater core.
- Reposition heater core outlet hose clamp at engine.
- Remove hose from engine.
- Remove hose from vehicle.
- Reverse procedure to install.
Bypass
- Disconnect battery gro...
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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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