1998 Ford Mustang A/C & Heater Service (ONLINE REPAIR MANUALS)

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We have info for following modifications of 1998 Ford Mustang

  • 1998 Ford Mustang 3.8 V6 GAS, CID:232, Fuel Injection, Aspiration:232, Engine VIN:, Desg:4
  • 1998 Ford Mustang GT 4.6 V8 GAS, CID:281, Fuel Injection, Aspiration:281, Engine VIN:, Desg:X
  • 1998 Ford Mustang Cobra 4.6 V8 GAS, CID:281, Fuel Injection, Aspiration:281, Engine VIN:, Desg:V

A/C & HEATER SERVICE PROCEDURES FOR 1998 Ford Mustang AUTOMOBILES

Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 1998 Ford Mustang cars and light trucks from 1990+

Automatic Temperature Control Systems Diagnosis & Testing -> Technical Service Bulletins -> Air Conditioning System Does Not Maintain Set Temperature -> Action -> Expedition & Navigator -> Issue
Vehicle: 1998 Ford Mustang GT 4.6 V8 GAS

Expedition & Navigator
Issue

The blower motor may stay on high after desired temperature is reached and/or the system does not maintain set temperature

Action

Check for proper connection of the in-car temperature sensor as follows:

  • Cut a piece of 1.5x1.5 inch toilet or tissue paper (paper towel will not work).
  • Turn ignition to On position, then turn fan speed to High.
  • Select Panel or Vent mode, the...

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A/C & HEATER SERVICE PROCEDURES FOR 1998 Ford Mustang AUTOMOBILES

Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 1998 Ford Mustang cars and light trucks from 1990+

Electric Cooling Fans -> Component Replacement -> 1998 -> 1999 -> 1999-2000 -> 1999-2000 w/2.0L Engine -> 1999-2000 w/2.5L Engine -> 2.0L Engine -> 2.5L Engine -> 2000 -> CCRM -> Continental -> Contour & Mystique -> Cooling Fan Motor -> Cougar -> Crown Victoria, Grand Marquis & Town Car -> Escort, Tracer & ZX2 -> Focus -> Mark VIII -> Mustang -> Sable & Taurus -> Villager -> Windstar
Vehicle: 1998 Ford Mustang 3.8 V6 GAS

CCRM
Mustang
  • On models equipped with 3.8L engine, remove right inner fender splash shield.
  • On all models, disconnect CCRM and remove CCRM mounting nuts.
  • Reverse procedure to install, noting the following:
    • On models equipped with 3.8L engine, torque CCRM mounting nuts to 12-17 inch lbs.
    • On models equipped with 4.6L engine, torque CCRM mounting nuts to 36 inch lbs.
Cooling Fan Motor
Continental
  • Drain cooling system.
  • Remove air cleaner, then the upper radiator hose from water bypa...

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A/C & HEATER SERVICE PROCEDURES FOR 1998 Ford Mustang AUTOMOBILES

Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 1998 Ford Mustang cars and light trucks from 1990+

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 3.8 V6 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...

CLICK HERE TO GET FULL ACCESS TO 1998 Ford Mustang A/C & HEATER SERVICE PROCEDURES

A/C & HEATER SERVICE PROCEDURES FOR 1998 Ford Mustang AUTOMOBILES

Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 1998 Ford Mustang cars and light trucks from 1990+

General Service Domestic Vehicles -> 1998-2000 -> Precautions -> A/C Refrigerant Oil -> Battery Ground Cable -> Cleanliness -> Engine Coolant -> Exercise System -> General Service -> Product Compatibility -> R-134a -> Safety
Vehicle: 1998 Ford Mustang GT 4.6 V8 GAS

Battery Ground Cable

Prior to service disconnect battery ground cable and isolate as required.

Product Compatibility
A/C Refrigerant Oil

Before replenishing refrigerant oil, ensure product compatibility with the system being serviced. Refer to "A/C Data" for specifications.

Engine Coolant

Before adding or replacing engine coolant, ensure product compatibility with the system being serviced. If using orange silicate-free coolant, do not mix with green silicated coolant. If mixed, premature engine, heater core or radiator corrosion may result.

...

CLICK HERE TO GET FULL ACCESS TO 1998 Ford Mustang A/C & HEATER SERVICE PROCEDURES

A/C & HEATER SERVICE PROCEDURES FOR 1998 Ford Mustang AUTOMOBILES

Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 1998 Ford Mustang cars and light trucks from 1990+

Component Replacement & Adjustment -> Passenger Cars -> Thermostat, Replace -> 2.0L Engine -> 2.5L Engine -> 3.0L Engine -> 3.4L Engine -> 3.8L Engine -> 3.9L Engine -> 4.6L Engine -> DOHC Engine -> SOHC Engine
Vehicle: 1998 Ford Mustang Cobra 4.6 V8 GAS

2.0L Engine
  • Remove engine air intake resonators from air cleaner assembly.
  • Drain engine cooling system so engine coolant level is below thermostat, then disconnect upper radiator hose and overflow hose from water hose connection.
  • Remove water outlet connection bolts, then the connection from thermostat housing, Fig. .
  • Remove thermostat and seal from housing.
  • Reverse procedure to install.
2.5L Engine
  • Drain engine cooling system so engine coolant level is below water thermostat.
  • Disconnect radiator hoses from thermostat h...

CLICK HERE TO GET FULL ACCESS TO 1998 Ford Mustang A/C & HEATER SERVICE PROCEDURES

A/C & HEATER SERVICE PROCEDURES FOR 1998 Ford Mustang AUTOMOBILES

Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 1998 Ford Mustang cars and light trucks from 1990+

Compressor Service -> Thermal Protection Switch, Replace -> Installation -> Removal -> SD-7H15
Vehicle: 1998 Ford Mustang 3.8 V6 GAS

SD-7H15
Removal
  • Remove retaining plate and wire guide retaining bolt, then the retaining plate.
  • Use a small flat bladed screwdriver to break thermal switch silicone seal, then pry switch from cover, Fig. .
  • Discard thermal switch and clean sealer from opening of compressor.
Instal...

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