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Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 2003 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 2003 Jeep Wrangler automobile. Try the Automotix DIY solution today!
We have info for following modifications of 2003 Jeep Wrangler
- 2003 Jeep Wrangler Sahara 4.0 L6 GAS, CID:242, Fuel Injection, Aspiration:242, Engine VIN:, Desg:S
- 2003 Jeep Wrangler SE 2.4 L4 GAS, CID:148, Fuel Injection, Aspiration:148, Engine VIN:, Desg:1
- 2003 Jeep Wrangler Sport 4.0 L6 GAS, CID:242, Fuel Injection, Aspiration:242, Engine VIN:, Desg:S
- 2003 Jeep Wrangler X 4.0 L6 GAS, CID:242, Fuel Injection, Aspiration:242, Engine VIN:, Desg:S
- 2003 Jeep Wrangler Rubicon 4.0 L6 GAS, CID:242, Fuel Injection, Aspiration:242, Engine VIN:, Desg:S
A/C & HEATER SERVICE PROCEDURES FOR 2003 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 2003 Jeep Wrangler cars and light trucks from 1990+
Component Replacement & Adjustment -> Dakota, Durango, Full Size Pickup, Full Size Van, Grand Cherokee, Liberty & Wrangler -> Compressor, Replace -> Dakota, Durango, Full Size Pickups, Full Size Vans & Grand Cherokee -> Liberty & Wrangler
Vehicle: 2003 Jeep Wrangler Rubicon 4.0 L6 GAS
Liberty & Wrangler
- Recover refrigerant as outlined under , then remove serpentine drive belt.
- Disconnect clutch wire.
- Remove suction and discharge lines from compressor. Plug openings.
- Remove serpentine drive belt.
- Remove compressor mounting bolts, then the compressor.
- Reverse procedure to install. Torque compressor mounting bolts to 21 ft. lbs.
Dakota, Durango, Full Size Pickups, Full Size Vans & Grand Cherokee
If compressor is being removed in order to gain working clearance when servicing other components, such as cylinder heads, alternator or engine, it is not necessary to disco...
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A/C & HEATER SERVICE PROCEDURES FOR 2003 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 2003 Jeep Wrangler cars and light trucks from 1990+
Cooling System Capacities -> DaimlerChrysler Corp. Light Trucks & Vans -> 2003-04
Vehicle: 2003 Jeep Wrangler Sahara 4.0 L6 GAS
CLICK HERE TO GET FULL ACCESS TO 2003 Jeep Wrangler A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 2003 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 2003 Jeep Wrangler cars and light trucks from 1990+
Air Bag System Precautions -> DaimlerChrysler -> Arming -> 1990-97 -> 1994-96 Cherokee -> 1998-2004 -> Except 1994-96 Cherokee -> Light Truck & Vans -> Passenger Cars
Vehicle: 2003 Jeep Wrangler Rubicon 4.0 L6 GAS
Passenger Cars
1990-97
- Ensure no one is inside vehicle and ignition switch is in Lock position.
- Connect battery ground cable.
- Turn ignition switch to On position from passenger side of vehicle.
- The SRS warning lamp should light for six to eight seconds, then remain off for at least 45 seconds to indicate if SRS is functioning properly.
1998-2004
- Ensure no one is inside vehicle and ignition switch is in Lock position.
- Connect battery ground or remote cable or terminal.
- Turn ignition On from a safe position be...
CLICK HERE TO GET FULL ACCESS TO 2003 Jeep Wrangler A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 2003 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 2003 Jeep Wrangler cars and light trucks from 1990+
Component Replacement & Adjustment -> Dakota, Durango, Full Size Pickup, Full Size Van, Grand Cherokee, Liberty & Wrangler -> Temperature/Blend Air Door Cable, Replace -> Dakota & Durango -> Full Size Pickups
Vehicle: 2003 Jeep Wrangler Sahara 4.0 L6 GAS
Dakota & Durango
- Roll down instrument panel as outlined under "Instrument Panel, Replace."
- Disconnect temperature control cable from heater and A/C control.
- Disconnect temperature control cable housing flag retainer from top of heater and A/C housing.
- Pull temperature control cable core adjuster clip off of pin on end of blend door lever, then remove cable from vehicle.
- Reverse procedure to install. Adjust cable as follows:
- Rotate temperature control knob to 12 o'clock position.
- Pull temperature control knob straight out from heater and A/C control base until pe...
CLICK HERE TO GET FULL ACCESS TO 2003 Jeep Wrangler A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 2003 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 2003 Jeep Wrangler cars and light trucks from 1990+
Compressor Service -> Denso 10PA17 Compressor -> Inspection
Vehicle: 2003 Jeep Wrangler Sport 4.0 L6 GAS
The clutch plate and clutch pulley are mated at factory. Do not replace compressor clutch pulley or clutch plate separately. The clutch coil can be serviced separately.
- Inspect friction surfaces of clutch pulley and plate for wear. Replace if excessive wear or scoring is present.
- Inspect friction surfaces of clutch pulley and plate for oil contamination. If friction surfaces are oily, clut...
CLICK HERE TO GET FULL ACCESS TO 2003 Jeep Wrangler A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 2003 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 2003 Jeep Wrangler cars and light trucks from 1990+
Component Replacement & Adjustment -> Dakota, Durango, Full Size Pickup, Full Size Van, Grand Cherokee, Liberty & Wrangler -> Cooling System Bleed -> 4.0L Engine -> 4.7L Engine -> 5.2L & 5.9L Engines -> Dakota, Full Size Pickups & Full Size Vans -> Grand Cherokee -> Liberty & Wrangler
Vehicle: 2003 Jeep Wrangler Sport 4.0 L6 GAS
Liberty & Wrangler
After filling cooling system, start engine and allow to reach operating temperature with radiator cap installed. After the engine has reached normal operating temperature, shut the engine off and allow it to cool. Add coolant as required.
Dakota, Full Size Pickups & Full Size Vans
These engines do not require a specified bleed procedure. After filling cooling system, run engine to operating temperature with radiator/pressure cap off. Air will then be automatically bled through cap opening.
Grand Cherokee
4.0L Engine
Refe...
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