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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 -> Heater Housing, Replace -> 1998-99 Full Size Vans -> Cherokee -> Dakota & Durango -> Full Size Pickups -> Grand Cherokee -> Minivans -> Wrangler
Vehicle: 1998 Jeep Wrangler 2.5 L4 GAS
Cherokee
- Remove instrument panel as outlined under "Dash Panel, Replace."
- Recover refrigerant as outlined under .
- Disconnect liquid line refrigerant line fitting from evaporator inlet tube, plug all open lines.
- Disconnect accumulator inlet tube refrigerant line fitting from evaporator outlet tube, plug all open lines.
- Drain cooling system, then disconnect heater hoses from heater core tubes plugging all open tubes.
- Disconnect heater and A/C system vacuum supply line from tee fitting near heater core tubes.
- Disconnect heater and A...
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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+
Compressor Service -> Model SD7H15 Compressor -> Compressor Manifold, Replace
Vehicle: 1998 Jeep Wrangler 2.5 L4 GAS
- Recover A/C refrigerant as outlined under .
- Disconnect r...
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+
Component Replacement & Adjustment -> Light Trucks & Vans -> A/C Pressure Transducer -> Minivans
Vehicle: 1998 Jeep Wrangler 4.0 L6 GAS
Minivans
- Disconnect wire connector at pressure transducer, then use a suitable op...
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 -> Electrical Symbol Identification -> Domestic Vehicles
Vehicle: 1998 Jeep Wrangler 2.5 L4 GAS
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 -> Leak Test -> Electronic Leak Detectors -> Fluid Leak Detectors
Vehicle: 1998 Jeep Wrangler 2.5 L4 GAS
Testing the refrigerant system for leaks is one of the most important phases of troubleshooting. One or more of the methods outlined will prove useful in detecting leaks or checking connections if service work is performed. Before beginning any leak test, attach a manifold gauge set and note pressure. If little or no pressure is indicated, a partial charge must be installed. Check all connections, compressor head gasket, oil filler plug and compressor shaft seal for leaks.
For R-134a system an electronic type leak detector is recommended.
Electronic Leak Detectors
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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 ...
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