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1998 Jeep Wrangler CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Jeep REPAIR SHOPS DON'T WANT YOU TO KNOW
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- Component Locations
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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 1998 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 1998 Jeep Wrangler AUTOMOBILES
Component Replacement & Adjustment -> Light Trucks & Vans -> Expansion Valve, Replace -> 1998-99 Full Size Vans -> Durango -> Front -> Minivans -> Rear
Vehicle: 1998 Jeep Wrangler 2.5 L4 GAS
Durango
- Recover refrigerant as outlined under , then remove rear liquid line from engine compartment.
- Remove electronic cycling clutch switch as outlined under "Electronic Cycling Clutch Switch, Replace."
- Remove two screws securing expansion valve to evaporator tube mounting flange.
- Remove expansion valve from evaporator tube mounting flange, then plug all open lines.
- Reverse procedure to install.
1998-99 Full Size Vans
Front
- Recover refrigerant as outlined under .
- Remove screw that secures block fitting of su...
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BRAKE SERVICE PROCEDURES FOR 1998 Jeep Wrangler AUTOMOBILES
Disc Brakes -> Cherokee, Grand Cherokee & Wrangler -> Description
Vehicle: 1998 Jeep Wrangler 4.0 L6 GAS
The disc brake is of the floating caliper, single piston design. The caliper is fixed by two mounting bolts located in the caliper support bracket, and is positioned over the rotor. It slides on two mounting pins which maintain caliper position relative to rotor and caliper anchor plate. Although...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 1998 Jeep Wrangler AUTOMOBILES
DaimlerChrysler Corp./Jeep Light Trucks, SUVs & Vans -> Fuel Pressure Relief -> 1993-06 Grand Cherokee & 1993 Grand Wagoneer, 1988-01 Cherokee, Comanche, Grand Cherokee, Wagoneer, Wrangler -> Models Less Fuel Pressure Test Port -> Models w/Fuel Pressure Test Port
Vehicle: 1998 Jeep Wrangler 2.5 L4 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 been disconnected and reconnected, some abnormal driveability symptoms may occur. The vehicle may need to be driven while the vehicle relearns its adaptive strategy...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 1998 Jeep Wrangler AUTOMOBILES
DRIVESHAFT, Replace -> Front -> Rear
Vehicle: 1998 Jeep Wrangler 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 1998 Jeep Wrangler AUTOMOBILES
Starter, Replace
Vehicle: 1998 Jeep Wrangler 2.5 L4 GAS
- Disconnect battery ground cable.
- Raise and support vehicle.
- Remove two bolts that secure starter motor to engine block.
- Lower starter motor to gain access to solenoid harness connector eyelet to solenoid terminal retaining nut, then remove nut and wiring from starter.
- Remove battery cable harness connector eyelet to solenoid battery termi...
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MAINTENANCE LAMP RESET PROCEDURES FOR 1998 Jeep Wrangler AUTOMOBILES
Chrysler LLC Trucks -> All Wheel Drive (AWD) Warning Lamp ->
Vehicle: 1998 Jeep Wrangler 4.0 L6 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 1998 Jeep Wrangler AUTOMOBILES
Coolant Hose, Replace -> Lower -> Upper
Vehicle: 1998 Jeep Wrangler 2.5 L4 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...
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SERPENTINE BELT SERVICE PROCEDURES FOR 1998 Jeep Wrangler AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 1998 Jeep Wrangler 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 1998 Jeep Wrangler AUTOMOBILES
Component location diagrams for most 1998 Jeep Wrangler cars and light trucks sold in the U.S. from 1990+.
 LH Side Of Engine Compartment Diagram for 1998 Jeep Wrangler 4.0 L6 GASComponents on diagram: |
 Behind I/P Diagram for 1998 Jeep Wrangler 2.5 L4 GASComponents on diagram: |
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WIRING DIAGRAMS FOR 1998 Jeep Wrangler AUTOMOBILES
OEM drawn wiring diagrams for most 1998 Jeep Wrangler cars and light trucks sold in the U.S.
 1998 Jeep Wrangler 2.5 L4 GAS Wiring DiagramComponents on diagram: |
 1998 Jeep Wrangler 4.0 L6 GAS Wiring DiagramComponents on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 1998 Jeep Wrangler AUTOMOBILES
OEM TSB listings for most 1998 Jeep Wrangler cars and light trucks sold in the U.S. from 1985+.
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Document: RECALL - Mopar Value Line Catalytic Converters Vehicle: 1998 Jeep Wrangler 2.5 L4 GAS Auto Systems: |
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Document: AUTOMATIC TRANSMISSION DIAGNOSTIC TEARDOWN PROCEDURE - REVISED Vehicle: 1998 Jeep Wrangler 2.5 L4 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 1998 Jeep Wrangler AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1998 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 1998 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 1998 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 1998 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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