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2002 Jeep Wrangler CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Jeep 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
Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 2002 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 Jeep Wrangler automobile. Try the Automotix DIY solution today!
A/C & HEATER SERVICE PROCEDURES FOR 2002 Jeep Wrangler AUTOMOBILES
General Service Domestic Vehicles -> 2001-02 -> Refrigerant Recovery
Vehicle: 2002 Jeep Wrangler Sport 4.0 L6 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...
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BRAKE SERVICE PROCEDURES FOR 2002 Jeep Wrangler AUTOMOBILES
Disc Brakes -> Cherokee, Grand Cherokee, Liberty & Wrangler -> Precautions -> Brake Bleed -> Brake Disc Service -> Brake Lines & Linings -> Brake Roughness -> Caliper Inspection -> General Precautions
Vehicle: 2002 Jeep Wrangler Sport 4.0 L6 GAS
Brake Lines & Linings
Remove one of the front wheels and inspect the brake disc, caliper and linings. The wheel bearings should be inspected at this time and repacked if necessary.
Do not get any oil or grease on the linings. It is recommended that both front wheel sets be replaced whenever a respective pad is worn or damaged. Inspect and, if necessary, replace rear brake linings also.
If the caliper is cracked or fluid leakage through the casting is evident, it must be replaced as a unit.
Brake Roughness
The most common cause of brake chatter on disc brakes is a variation in thickness o...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 2002 Jeep Wrangler AUTOMOBILES
DaimlerChrysler Corp./Jeep Light Trucks, SUVs & Vans -> Fuel Filter Replacement -> Wrangler, 1997-98 Grand Cherokee & 1997-01 Cherokee
Vehicle: 2002 Jeep Wrangler X 4.0 L6 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.
After the battery has bee...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 2002 Jeep Wrangler AUTOMOBILES
DRIVESHAFT U-JOINT, Replace
Vehicle: 2002 Jeep Wrangler SE 2.5 L4 GAS
Clamp only the narrow forged portion of the yoke in the vise. Failure to heed caution may result in damage.
- Remove axle shaft.
- Remove bearing cap retaining snap rings. Saturate the bearing caps with penetrating oil prior to removal.
- Place socket (receiver) with inside diameter larger than bearing cap against yoke and perimeter of bearing cap to be removed.
- Pla...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2002 Jeep Wrangler AUTOMOBILES
Starter, Replace
Vehicle: 2002 Jeep Wrangler Sahara 4.0 L6 GAS
- Disconnect battery ground cable.
- Raise and support vehicle.
- Remove starter motor lower mounting bolt.
- While supporting starter motor, remove starter motor upper mounting bolt.
- Lower starter motor from front of transmission housing far enough to access wiring connector retaining nut.
- Remove battery cable eyelet to solenoid battery terminal retaining nut.
- Disconnect ...
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MAINTENANCE LAMP RESET PROCEDURES FOR 2002 Jeep Wrangler AUTOMOBILES
Chrysler LLC Trucks -> All Wheel Drive (AWD) Warning Lamp ->
Vehicle: 2002 Jeep Wrangler SE 2.5 L4 GAS
This light monitors the AWD system. The light will turn on for a bulb check when the ignition switch is turned to the on position and may stay on for as long as three seconds. When the lamp is illuminated solid here is an A...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2002 Jeep Wrangler AUTOMOBILES
Radiator, Replace
Vehicle: 2002 Jeep Wrangler SE 2.5 L4 GAS
Do not service radiator while system is hot. Allow system to cool before attempting removal procedure.
- Remove radiator cap, then drain radiator into suitable container.
- Disconnect coolant reserve tank hose from radiator.
- Remove upper and lower radiator hoses.
- Remove four shroud mounting bolts, then move shroud back over fan blades.
- On models equipped with powe...
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SERPENTINE BELT SERVICE PROCEDURES FOR 2002 Jeep Wrangler AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 2002 Jeep Wrangler SE 2.5 L4 GAS
Belt tension is adjusted at the power steering pump or idler pulley if not equipped with power steering.
- Loosen power steering or idler pulley rear mounting bolts.
- Loosen power steering pump ...
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COMPONENT LOCATION DIAGRAMS FOR 2002 Jeep Wrangler AUTOMOBILES
Component location diagrams for most 2002 Jeep Wrangler cars and light trucks sold in the U.S. from 1990+.
 Switches Diagram for 2002 Jeep Wrangler Sahara 4.0 L6 GASComponents on diagram: |
 Body Connectors Diagram for 2002 Jeep Wrangler Sport 4.0 L6 GASComponents on diagram: |
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WIRING DIAGRAMS FOR 2002 Jeep Wrangler AUTOMOBILES
OEM drawn wiring diagrams for most 2002 Jeep Wrangler cars and light trucks sold in the U.S.
 2002 Jeep Wrangler Sport 4.0 L6 GAS Wiring DiagramComponents on diagram: |
 2002 Jeep Wrangler Sport 4.0 L6 GAS Wiring DiagramComponents on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 2002 Jeep Wrangler AUTOMOBILES
OEM TSB listings for most 2002 Jeep Wrangler cars and light trucks sold in the U.S. from 1985+.
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Document: AUTOMATIC TRANSMISSION DIAGNOSTIC TEARDOWN PROCEDURE - REVISED Vehicle: 2002 Jeep Wrangler Sahara 4.0 L6 GAS Auto Systems: |
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Document: AUTOMATIC TRANSMISSION DIAGNOSTIC TEARDOWN PROCEDURE - REVISED Vehicle: 2002 Jeep Wrangler Sahara 4.0 L6 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 2002 Jeep Wrangler AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2002 Jeep Wrangler 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 2002 Jeep Wrangler 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 2002 Jeep Wrangler 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 2002 Jeep Wrangler 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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