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2002 Jeep Wrangler CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Jeep REPAIR SHOPS DON'T WANT YOU TO KNOW

Learn how to repair a car or truck, install or remove parts, wire an engine, reset warning lights, replace fuel filter, fix auto body and more. Get Automotix DIY!

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    Get Full Access 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!
    DIY REPAIR SAMPLES > CONTINUE EXPLORING >
    Using the Automotix DIY repair procedures will save you hundreds and even thousands of dollars! In addition, it will save you hours of touring the city searching for Jeep mechanics you can trust. The Automotix DIY solution is particularly affordable. A full access to the entire DIY repair procedures and diagrams for your 2002 Jeep Wrangler vehicle will cost less than a single gallon of gas. Here are some of the DIY repair tips and procedures you will find here:

    A/C & HEATER SERVICE PROCEDURES FOR 2002 Jeep Wrangler AUTOMOBILES

    Cooling Fans -> Light Trucks & Vans -> Diagnosis & Testing -> Accessing Diagnostic Trouble Codes (DTCs) -> Caravan, Town & Country & Voyager -> Cherokee -> Clearing Diagnostic Trouble Codes (DTCs) -> Dakota & Durango -> Fan Control Relay -> Fan Motor -> Fan Motor Circuit -> Grand Cherokee -> Liberty -> PT Cruiser
    Vehicle: 2002 Jeep Wrangler Sport 4.0 L6 GAS

    Fan Motor

    Caravan, Town & Country & Voyager

    Refer to Fig. , for fan motor diagnosis chart.

    Fan Motor Circuit

    All models are equipped with an engine controller which will detect and store a diagnostic trouble code for the cooling fan system. This information may be accessed by using a DRB diagnostic tool.

    Accessing Diagnostic Trouble Codes (DTCs)

    Connect suitable DRB lll scan tool to Data Link Connector (DLC), follow manufacturers instructions to access diagnostic trouble codes and procedures.

    Clearing Diagnostic Trouble Code...

    CLICK HERE TO GET FULL ACCESS TO 2002 Jeep Wrangler A/C & HEATER SERVICE PROCEDURES

    BRAKE SERVICE PROCEDURES FOR 2002 Jeep Wrangler AUTOMOBILES

    Power Brake Units -> Power Brake Unit Service -> Caravan, Town & Country & Voyager -> Cherokee -> Dakota & Durango -> Full Size Pickup -> Full Size Van -> Grand Cherokee -> Hydraulic Booster -> Inline Mount -> Installation -> Liberty -> PT Cruiser -> Removal -> Replacement -> Transverse Mount -> Vacuum Booster -> Wrangler
    Vehicle: 2002 Jeep Wrangler X 4.0 L6 GAS

    The only serviceable power brake booster components are the vacuum hose and the check valve.. The power brake booster must be serviced as an assembly. If diagnosis indicates a power brake booster fault condition, the unit must be replaced as an assembly.

    Replacement

    Full Size Pickup
    Vacuum Booster
    • With engine stopped, pump brake pedal four or five times to deplete power booster vacuum.
    • Remove brake lines from master cylinder.
    • Remove nuts attaching master cylinder and valves to power brake booster unit studs, then remove master cylinder and valves as an assembly.
    • Disconnect vac...

    CLICK HERE TO GET FULL ACCESS TO 2002 Jeep Wrangler BRAKE SERVICE PROCEDURES

    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...

    CLICK HERE TO GET FULL ACCESS TO 2002 Jeep Wrangler FUEL FILTER REPLACEMENT PROCEDURES

    DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 2002 Jeep Wrangler AUTOMOBILES

    DRIVESHAFT U-JOINT, Replace
    Vehicle: 2002 Jeep Wrangler Sahara 4.0 L6 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...

    CLICK HERE TO GET FULL ACCESS TO 2002 Jeep Wrangler DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES

    STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2002 Jeep Wrangler AUTOMOBILES

    Alternator, Replace
    Vehicle: 2002 Jeep Wrangler SE 2.5 L4 GAS

    • Disconnect battery ground cable.
    • Remove alternator drive belt.
    • Remove alternator pivot, mounting bolts and nuts.
    • Position alternator for access to wire connectors.
    • Unsnap plastic cover from B+ terminal, if equipped.
    • Remove B+ cable output terminal mounting nut at rear of alternator.
    • Disconnect terminal from ...

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    MAINTENANCE LAMP RESET PROCEDURES FOR 2002 Jeep Wrangler AUTOMOBILES

    Chrysler LLC Trucks -> Traction Control System Warning Lamp ->
    Vehicle: 2002 Jeep Wrangler Sport 4.0 L6 GAS

    This lamp should light for a approximately 6-8 seconds when the ignition is turned On as a bulb check. If the warni...

    CLICK HERE TO GET FULL ACCESS TO 2002 Jeep Wrangler MAINTENANCE LAMP RESET PROCEDURES

    RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2002 Jeep Wrangler AUTOMOBILES

    Coolant Hose, Replace -> Lower -> Upper
    Vehicle: 2002 Jeep Wrangler Sahara 4.0 L6 GAS

    Lower

    • Drain cooling system into a suitable container.
    • Reposition hose clamp from radiator.
    • Remove radiator outlet hose from radiator.
    • Reposition hose clamp from water pump.
    • Remove radiator outlet hose from water pump and from vehicle.
    • Reverse procedure to in...

    CLICK HERE TO GET FULL ACCESS TO 2002 Jeep Wrangler RADIATOR & HOSE REPLACEMENT PROCEDURES

    SERPENTINE BELT SERVICE PROCEDURES FOR 2002 Jeep Wrangler AUTOMOBILES

    Serpentine Drive Belt, Replace
    Vehicle: 2002 Jeep Wrangler Sahara 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 ...

    CLICK HERE TO GET FULL ACCESS TO 2002 Jeep Wrangler SERPENTINE BELT SERVICE PROCEDURES

    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+.

    Sensors Diagram for 2002 Jeep Wrangler Sahara 4.0 L6 GASSensors Diagram for 2002 Jeep Wrangler Sahara 4.0 L6 GAS

    Components on diagram:
  • Vehicle Speed Sensor
  • Transfer Case Extension 4WD
  • Oxygen Sensor Connector
  • Oxygen Sensor
  • Clutch Pedal Position Switch Diagram for 2002 Jeep Wrangler Sport 4.0 L6 GASClutch Pedal Position Switch Diagram for 2002 Jeep Wrangler Sport 4.0 L6 GAS

    Components on diagram:
  • Clutch Pedal Position Switch
  • Connector C-322
  • Connector C-323
  • CLICK HERE TO GET FULL ACCESS TO 2002 Jeep Wrangler PARTS/COMPONENTS LOCATION DIAGRAMS!

    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 Diagram2002 Jeep Wrangler X 4.0 L6 GAS Wiring Diagram

    Components on diagram:
  • Battery
  • Ignition Switch
  • Clutch Pedal Position Switch
  • 2002 Jeep Wrangler Sport 4.0 L6 GAS Wiring Diagram2002 Jeep Wrangler Sport 4.0 L6 GAS Wiring Diagram

    Components on diagram:
  • Horn Relay
  • CLICK HERE TO GET FULL ACCESS TO 2002 Jeep Wrangler WIRING DIAGRAMS!

    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+.

    Document: AUTOMATIC TRANSMISSION DIAGNOSTIC TEARDOWN PROCEDURE - REVISED
    Vehicle: 2002 Jeep Wrangler Sahara 4.0 L6 GAS

    Auto Systems:
  • Automatic Trans, Coolers, Torque Converter
  • Document: AUTOMATIC TRANSMISSION DIAGNOSTIC TEARDOWN PROCEDURE - REVISED
    Vehicle: 2002 Jeep Wrangler Sahara 4.0 L6 GAS

    Auto Systems:
  • Automatic Trans, Coolers, Torque Converter
  • CLICK HERE TO GET FULL ACCESS TO 2002 Jeep Wrangler TECHNICAL SERVICE BULLETINS!

    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

    CLICK HERE TO GET FULL ACCESS TO 2002 Jeep Wrangler SPECIFICATIONS DATA!

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    Click here to view more details about 1995 Jeep Wrangler Bumper End, Front, Driver Or Passenger Side1995 Jeep Wrangler Bumper End, Front, Driver Or Passenger Side, A high quality, OE replacement bumper end; Backed by 1-year, unlimited-mileage warranty..

    Source: Auto Body Parts Store

    $8.89

    Click here to view more details about 2008 Jeep Wrangler Headlight, Passenger Side2008 Jeep Wrangler Headlight, Passenger Side, Bulbs included; Composite type; DOT and SAE approved; A high quality, OE replacement headlight assembly; Backed by 1-year, unlimited-mileage warranty..

    Source: Auto Body Parts Store

    $49.65

    Click here to view more details2007 Jeep Wrangler 15" X 7" Steel Wheel, STEEL WHEEL, 15 X 7, 5 STUDS/LUGS, 4.5" BOLT DIA, 5 SPOKES, GRAY, HAS FINE CREASE ON SPOKE/ NOT STL09012, , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $67.75

    Click here to view more details about 1988 Jeep Wrangler Sport L6, 4.2 L, 258 CID Rebuilt Engine1988 Jeep Wrangler Sport L6, 4.2 L, 258 CID Rebuilt Engine, Block #444, Head #661, Crank #727, snout 2.100"., Warranty: 7-Year/70,000 Mile, .

    Source: Rebuilt Engines Store

    $1,365.00

    Click here to view more details1987 Jeep Wrangler Used Exhaust Manifold, NEW 1390012 EXHAUST MANIFOLD-CAST IRON 84-83 EAGLE; 84-00 CHEROKEE; 86-92 COMANCHE; 87-02 83-86 CJ, AFTERMARKET.

    Source: Used Auto Parts Store

    $177.00

    Click here to view more details1987 Jeep Wrangler Used Wiper Motor Front, Very Good.

    Source: Used Auto Parts Store

    $66.00
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