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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 -> System Inspection -> Compressor -> Condenser -> Evaporator -> Receiver-Drier/Accumulator -> Refrigerant Line Restrictions -> Thermostatic Expansion Valve
Vehicle: 2002 Jeep Wrangler Sahara 4.0 L6 GAS
While a detailed diagnostic procedure for all air conditioning systems would be impractical due to the many variations in construction and operation, there are three fundamental components of a total diagnosis:
- Refrigerant systems must have an adequate, but not excessive charge.
- Determination must be made whether the refrigerant system is governed by a cycling clutch compressor or by valves which control evaporator pressure.
- The air distribution system (blower motor, switches, vacuum lines and air ducts) must be operational before checking the ...
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BRAKE SERVICE PROCEDURES FOR 2002 Jeep Wrangler AUTOMOBILES
Disc Brakes -> Cherokee, Grand Cherokee, Liberty & Wrangler -> Tightening Specifications
Vehicle: 2002 Jeep Wrangler Sport 4.0 L6 GAS
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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 Sport 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 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...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2002 Jeep Wrangler AUTOMOBILES
Alternator, Replace
Vehicle: 2002 Jeep Wrangler Sport 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 -> Check Engine Lamp -> Chrysler, Dodge, Jeep & Plymouth Except Ram 50
Vehicle: 2002 Jeep Wrangler Sport 4.0 L6 GAS
On models less OBD II, the Check Engine lamp should light for approximately 3 seconds after the ignition has been turned On as a bulb inspection. If improper or no signals are received by the Powertrain Control Module (PCM) from various sensors and monitored systems or if the PCM enters its Limp-In mode, the PCM will light the Check Engine lamp. On Chrysler, Dodge and Plymouth models, After diagnosing and servicing the vehicle, the PCM memory will be cleared after approximately 40 to 100 ignition key On-Off cycles or by using a suitable scan tool. ...
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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+.
 Controller Antilock Brake Diagram for 2002 Jeep Wrangler Sport 4.0 L6 GASComponents on diagram: |
 Fuel System 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 Sahara 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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