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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
Air Bag System Precautions -> DaimlerChrysler -> Disarming -> 1990-97 -> 1994-96 Cherokee -> 1998-2004 -> Except 1994-96 Cherokee -> Light Trucks & Vans -> Passenger Cars
Vehicle: 2002 Jeep Wrangler SE 2.5 L4 GAS
Passenger Cars
1990-97
It may be required to access and record all Diagnostic Trouble Codes (DTCs) prior to disarming the air bag system.
- Place ignition switch in Lock position.
- Disconnect and isolate battery ground cable.
- Wait at least two minutes after disconnecting battery ground cable before doing any further work on vehicle. The air bag system is designed to retain enough voltage to deploy air bags for a short time even after battery has been disconnected.
1998-2004
It may be required to access and rec...
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BRAKE SERVICE PROCEDURES FOR 2002 Jeep Wrangler AUTOMOBILES
Power Brake Units -> Description
Vehicle: 2002 Jeep Wrangler SE 2.5 L4 GAS
These self contained vacuum hydraulic power braking units are of the vacuum suspended type. They use engine intake manifold vacuum or a vacuum pump along with atmospheric pressure for their power, eliminating the need for a vacuum reservoir. A mechanically operated control valve, with integral vacuum power diaphragms, controls the degree of brake application or release depending on amount of foot pressure applied to...
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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 Sahara 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, Replace -> Front -> Rear
Vehicle: 2002 Jeep Wrangler Sport 4.0 L6 GAS
Front
- With vehicle in neutral, position vehicle on hoist.
- Remove skid plate if equipped to gain access to propeller shaft.
- Mark a line across axle pinion flange, propeller shaft, flange yoke and transfer case for installation reference.
- Remove U-joint strap bolts at pinion shaft yoke.
- Remove transfer case yoke bolts.
- Push rear of propeller shaft forward to clear transfer case yoke.
- Remove propeller shaft from vehicle.
- Reverse procedure to install, noting the following:
- Align reference marks.
- Torque U-joint strap bolts t...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2002 Jeep Wrangler AUTOMOBILES
Alternator, Replace
Vehicle: 2002 Jeep Wrangler X 4.0 L6 GAS
- Remove battery ground cable.
- Remove alternator drive belt.
- Remove alternator pivot, mounting bolts and nuts.
- Position alternator for access to wire connector.
- Unsnap plastic cover from B+ terminal, if equipped.
- Remove B+ cable output terminal mounting nut at rear of alternator.
- Disconnect terminal fr...
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MAINTENANCE LAMP RESET PROCEDURES FOR 2002 Jeep Wrangler AUTOMOBILES
Chrysler LLC Trucks -> Anti-Lock Brake System Warning Lamp -> Jeep
Vehicle: 2002 Jeep Wrangler X 4.0 L6 GAS
Red and yellow indicator lamps are used to warn of system faults. The red lamp warns of such faults as low brake fluid level, parking brake On, system pressure differential and other system faults. The red indicator lamp should light for approximately two seconds during engine starting and should go off, unless parking brake is applied or a problem in the brake system exist. The red indicator lamp should reset after repairs to system have been completed and system has returned to normal o...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2002 Jeep Wrangler AUTOMOBILES
Radiator, Replace
Vehicle: 2002 Jeep Wrangler X 4.0 L6 GAS
- Disconnect negative battery cable at battery.
- Remove radiator cap.
- Remove condenser lower seal from lower core support.
- Drain coolant into a suitable container.
- Remove radiator upper and lower hose clamps.
- Remove radiator hoses.
- Disconnect coolant reserve/overflow tank hose from radiator.
- Remove reservoir tank and power steering reservoir and position out of way.
- Remove four fan shroud mounting bolts. Position fan shroud back over fan blades.
- On models with automatic transmission, disconnect and plug automatic transmission fluid cooler lines.
- On all models, remove six radiator mounting ...
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SERPENTINE BELT SERVICE PROCEDURES FOR 2002 Jeep Wrangler AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 2002 Jeep Wrangler X 4.0 L6 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+.
 Fuel System Diagram for 2002 Jeep Wrangler SE 2.5 L4 GASComponents on diagram: |
 Engine Compartment Components Diagram for 2002 Jeep Wrangler X 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 X 4.0 L6 GAS Wiring DiagramComponents on diagram: |
 2002 Jeep Wrangler X 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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