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2008 Jeep Wrangler CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Jeep REPAIR SHOPS DON'T WANT YOU TO KNOW
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- Brake Service
- Driveline, U-Joint & CV Axles Replacement
- Tire Pressure Monitoring System
- 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 2008 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!
BRAKE SERVICE PROCEDURES FOR 2008 Jeep Wrangler AUTOMOBILES
Anti-Lock Brakes -> Jeep -> Diagnosis & Testing -> Accessing Diagnostic Trouble Codes -> Clearing Diagnostic Trouble Codes -> Commander, Compass, Patriot & Grand Cherokee & Liberty -> Connector Pin Identification -> Diagnostic Tests -> Diagnostic Trouble Code Interpretation -> Wrangler
Vehicle: 2008 Jeep Wrangler Unlimited Rubicon 3.8 V6 GAS
Accessing Diagnostic Trouble Codes
Connect a suitably programmed scan tool to Data Link Connector (DLC) and follow manufacturer's instructions.
Diagnostic Trouble Code Interpretation
Refer to "Diagnostic Tests" for diagnostic trouble code interpretation.
Connector Pin Identificati...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 2008 Jeep Wrangler AUTOMOBILES
DRIVESHAFT U-JOINT, Replace
Vehicle: 2008 Jeep Wrangler Unlimited Rubicon 3.8 V6 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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TIRE PRESSURE MONITORING SYSTEM PROCEDURES FOR 2008 Jeep Wrangler AUTOMOBILES
Description -> Base Tire Pressure Monitor System -> Premium Tire Pressure Monitor System -> Wireless Control Module (WCM)
Vehicle: 2008 Jeep Wrangler Rubicon 3.8 V6 GAS
Base Tire Pressure Monitor System
This system will consist of TPMS sensors attached to each wheel through the valve stem mounting hole, a Wireless Control Module (WCM) and a yellow TPMS telltale lamp. A tire pressure sensor shall be installed in the spare wheel if the vehicle is equipped with a matching full size spare wheel and tire assembly.
Premium Tire Pressure Monitor System
The system will consist of Tire Pressure Sensors attached to each wheel through the valve stem mounting hole, a wireless control module (WCM), Three Wheel Sensor transponders are mounted in the wheel wells (2...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2008 Jeep Wrangler AUTOMOBILES
Starter, Replace
Vehicle: 2008 Jeep Wrangler X 3.8 V6 GAS
- Disconnect battery ground cable.
- Raise and support vehicle.
- While supporting starter motor, remove bolts securing starter motor to transmission.
- Move starter motor towards front of vehicle far enough for nose of starter pinion housing to clear housing. Do not let starter motor hang from wire harness.
- Lower starter motor far enough to access and remove nut that secu...
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MAINTENANCE LAMP RESET PROCEDURES FOR 2008 Jeep Wrangler AUTOMOBILES
Chrysler LLC Trucks -> Anti-Lock Brake System Warning Lamp -> Jeep
Vehicle: 2008 Jeep Wrangler Unlimited Rubicon 3.8 V6 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 2008 Jeep Wrangler AUTOMOBILES
Coolant Hose, Replace -> Lower -> Upper
Vehicle: 2008 Jeep Wrangler X 3.8 V6 GAS
Lower
- Raise and support vehicle.
- Drain cooling system into a suitable container.
- Reposition hose clamp from radiator.
- Remove radiator outlet hose from radiator.
- Reposition hose clamp from water inlet tube.
- Remove radiator outlet hose from water inlet tube and from vehicle.
- Reve...
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SERPENTINE BELT SERVICE PROCEDURES FOR 2008 Jeep Wrangler AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 2008 Jeep Wrangler Unlimited Rubicon 3.8 V6 GAS
- Disconnect negative battery cable from battery.
- Rotate belt tensioner clockwise until it contacts its stop.
- Remove drive belt.
- Slowly ...
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COMPONENT LOCATION DIAGRAMS FOR 2008 Jeep Wrangler AUTOMOBILES
Component location diagrams for most 2008 Jeep Wrangler cars and light trucks sold in the U.S. from 1990+.
 Engine Compartment Diagram for 2008 Jeep Wrangler Unlimited Rubicon 3.8 V6 GASComponents on diagram: |
 HVAC Components Diagram for 2008 Jeep Wrangler Unlimited Rubicon 3.8 V6 GASComponents on diagram: |
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WIRING DIAGRAMS FOR 2008 Jeep Wrangler AUTOMOBILES
OEM drawn wiring diagrams for most 2008 Jeep Wrangler cars and light trucks sold in the U.S.
 2008 Jeep Wrangler Rubicon 3.8 V6 GAS Wiring DiagramComponents on diagram: |
 2008 Jeep Wrangler Unlimited Rubicon 3.8 V6 GAS Wiring DiagramComponents on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 2008 Jeep Wrangler AUTOMOBILES
OEM TSB listings for most 2008 Jeep Wrangler cars and light trucks sold in the U.S. from 1985+.
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Document: Hard To Fill Or Fuel Nozzle Shuts Off Repeatedly Vehicle: 2008 Jeep Wrangler Sahara 3.8 V6 GAS Auto Systems: |
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Document: Hard Top/Soft Top Water Leak Diagnosis Vehicle: 2008 Jeep Wrangler Sahara 3.8 V6 GAS Symptoms: |
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COMPONENT/PARTS SPECIFICATIONS FOR 2008 Jeep Wrangler AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2008 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 2008 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 2008 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 2008 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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