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Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 1998 Jeep Wrangler car and truck
repair procedures including Jeep 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 1998 Jeep Wrangler automobile. Try the Automotix DIY solution today!
We have info for following modifications of 1998 Jeep Wrangler
- 1998 Jeep Wrangler 2.5 L4 GAS, CID:150, Fuel Injection, Aspiration:150, Engine VIN:, Desg:P
- 1998 Jeep Wrangler 4.0 L6 GAS, CID:242, Fuel Injection, Aspiration:242, Engine VIN:, Desg:S
A/C & HEATER SERVICE PROCEDURES FOR 1998 Jeep Wrangler 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 Jeep Wrangler cars and light trucks from 1990+
Component Replacement & Adjustment -> Light Trucks & Vans -> Thermostat, Replace -> 2.4L Engine -> 2.5L Engine -> 3.0L Engine -> 3.3L & 3.8L Engines -> 3.9L, 5.2L & 5.9L Engines -> 4.0L Engine -> 4.7L Engine -> 5.2L & 5.9L Engines -> 5.9L Diesel Engine -> 8.0L Engine -> Cherokee & Wrangler -> Dakota -> Except 8.0L Engine -> Full Size Pickups & 1998-99 Full Size Vans -> Grand Cherokee -> Minivans
Vehicle: 1998 Jeep Wrangler 4.0 L6 GAS
Cherokee & Wrangler
- Drain coolant from radiator until level is below thermostat housing.
- Remove upper radiator hose, then heater hose at thermostat housing and engine coolant sensor wire.
- Remove thermostat housing bolts and gasket, then the thermostat.
- Reverse procedure to install, noting the following:
- Ensure pellet encircled by coil spring faces engine.
- Ensure thermostat is in recess groove and position thermostat in groove with arrow and air bleed hole on outer flange pointing up.
- Install new gasket and torque thermosta...
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A/C & HEATER SERVICE PROCEDURES FOR 1998 Jeep Wrangler 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 Jeep Wrangler cars and light trucks from 1990+
Computer Relearn Procedures -> DaimlerChrysler -> 1999-2002 Dakota, Durango, Ram Pick-Up & Ram Van -> 1999-2004 -> Controller Anti-Lock Brakes (CAB) -> Engine Performance -> Except 1999-2002 -> Light Truck & Vans -> Pinion Factor Procedure -> Powertrain Control Module (PCM) -> Sentry Key Immobilizer System (SKIS) -> Shift Quality -> Theft Alarm -> Transaxle Quick Learn Procedure
Vehicle: 1998 Jeep Wrangler 4.0 L6 GAS
Powertrain Control Module (PCM)
Except 1999-2002
If battery cable has been disconnected, the PCM must relearn a new operating strategy. Connect battery cable and run engine until operating temperature is reached. After engine warm-up, drive vehicle under various operating conditions until PCM has relearned new strategy.
1999-2004
Anytime the PCM is replaced the VIN and vehicle mileage must be programmed into the new PCM. If the PCM is not programmed, Diagnostic Trouble Codes (DTCs) will set. To program the PCM, connect a DRB or suitably programmed ...
CLICK HERE TO GET FULL ACCESS TO 1998 Jeep Wrangler A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 1998 Jeep Wrangler 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 Jeep Wrangler cars and light trucks from 1990+
Electrical Symbol & Wire Color Code Identification -> Wire Color Code Identification -> Domestic Vehicles
Vehicle: 1998 Jeep Wrangler 2.5 L4 GAS
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A/C & HEATER SERVICE PROCEDURES FOR 1998 Jeep Wrangler 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 Jeep Wrangler cars and light trucks from 1990+
General Service Domestic Vehicles -> 1998-2000 -> Pressure Gauge Indication
Vehicle: 1998 Jeep Wrangler 2.5 L4 GAS
Due to the different types of models and systems, the following typical pressure gauge indications should be used as a guide only as shown in Fig. . Refer to the "Performance Tests" or "System Pressure Check" for the particular model being tested. When indications other than normal are encountered, these typical indication charts will assist in diagnosing the refrigerant system. It should be noted that pressures may vary slightly above or below due to changes in ambient temperature and relative humidity.
CLICK HERE TO GET FULL ACCESS TO 1998 Jeep Wrangler A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 1998 Jeep Wrangler 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 Jeep Wrangler cars and light trucks from 1990+
General Service Domestic Vehicles -> 1998-2000 -> Refrigerant Recovery
Vehicle: 1998 Jeep Wrangler 2.5 L4 GAS
R-134a systems require the use of special service equipment designed specifically for R-134a systems. R-12 servicing equipment cannot be used on R-134a systems.
R-12 recovery stations cannot be used on R-134a systems. A separate recovery station must be used on R-134a systems. The refrigerants are not compatible and will contaminate the R-12 recovery station.
The use of refrigerant recovery and recycling stations allows the recovery and reuse of refrigerant after contaminants and moisture have been removed.
When using a recovery or recycling station...
CLICK HERE TO GET FULL ACCESS TO 1998 Jeep Wrangler A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 1998 Jeep Wrangler 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 Jeep Wrangler cars and light trucks from 1990+
Compressor Service -> Model SD7H15 Compressor -> Compressor Clutch, Replace -> Installation -> Removal
Vehicle: 1998 Jeep Wrangler 2.5 L4 GAS
Removal
- Using a spanner wrench, insert pins into any two threaded holes of the clutch front plate. Hold plate and remove hex nut.
- Using a suitable puller, align puller center bolt to compressor shaft, then hand tighten puller bolts into threaded holes.
- Turn center bolt clockwise until front plate is loosened.
- Using a suitable screwdriver and hammer, remove shaft key by lightly tapping it loose.
- Remove external front housing snap ring, then insert the lips of rotor puller jaws into snap ring groove.
- Place rotor puller shaft protec...
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