Target Audience:
Jeep Wrangler owners, independent repair shops, automotive enthusiasts
Value Proposition:
Official, comprehensive, and up-to-date repair information for accurate and efficient maintenance and repair.
Comparison To Print:
Faster access, enhanced searchability, and easier to update than traditional printed manuals.
Licensing:
Officially licensed, ensuring accuracy and completeness
Accessibility:
Instant online access, no shipping delays
Engine Service:
Diagnosis, repair, overhaul, emissions control, cooling system, lubrication system
Transmission Service:
Manual and Automatic transmission service, repair, and overhaul
Drivetrain Service:
Transfer case, axles, driveshafts, differentials, CV joints
Suspension Steering:
Front and rear suspension, steering system, power steering, wheel alignment
Brake System:
Hydraulic system, ABS, brake calipers, rotors, pads, parking brake
Electrical System:
Battery, charging system, starting system, lighting, ignition system, instrument panel, body control modules
HVAC System:
Air conditioning, heating, ventilation, climate control
Body And Chassis:
Frame, body panels, doors, windows, interior trim, bumpers, convertible top system
Diagnostics Troubleshooting:
DTC (Diagnostic Trouble Code) interpretation, fault finding, diagnostic procedures
Maintenance Procedures:
Oil changes, filter replacements, fluid checks and flushes, belt and hose inspection/replacement
Repair Procedures:
Component removal, installation, and repair for all major systems
Troubleshooting Guides:
Step-by-step diagnostic flowcharts and problem-solving for common and uncommon issues
Technical Specifications:
Torque values, clearances, electrical specifications, component tolerances
Wiring Diagrams:
Complete electrical schematics for all vehicle systems
Rebuild Instructions:
Detailed instructions for rebuilding major components like engines and transmissions
Depth:
Expert-level, suitable for professional technicians and advanced DIYers
Diagnostic Tools Required:
Specifies requirements for OBD-II scanners, multimeters, and specialized tools
Engine Code:
2008 JK typically uses the ERB (3.8L V6)
Displacement:
3.8 Liters (230.5 cubic inches)
Bore X Stroke:
96.0 mm x 87.0 mm (3.78 in x 3.43 in)
Horsepower:
202 hp @ 5000 rpm
Torque:
237 lb-ft @ 4000 rpm
Fuel Delivery:
Sequential Multi-Port Fuel Injection (MPFI)
Fuel Type:
Unleaded Gasoline
Oil Type:
SAE 5W-20 Synthetic
Oil Capacity:
5.0 US quarts (4.7 Liters) with filter change
Spark Plug Type:
Champion Copper Plus (e.g., RC12ECC) or equivalent
Transmission Type:
6-Speed Manual (NSG 370)
Transmission Type:
4-Speed Automatic (42RLE)
Manual Transmission Fluid:
Mopar Manual Transmission Lubricant (or equivalent meeting spec)
Automatic Transmission Fluid:
ATF+4 (Mopar)
Transfer Case:
NV241GHD (Command-Trac, optional Rock-Trac)
Wheelbase:
95.4 inches (2423 mm) for 2-door; 116.0 inches (2946 mm) for 4-door (Unlimited)
Length:
169.2 inches (4300 mm) for 2-door; 179.4 inches (4557 mm) for 4-door
Width:
73.7 inches (1872 mm)
Height:
72.4 inches (1839 mm)
Curb Weight:
Approx. 3950-4200 lbs (1792-1905 kg) depending on configuration
Gross Vehicle Weight Rating Gvwr:
Approx. 5330-5775 lbs (2418-2619 kg)
Towing Capacity:
3500 lbs (1588 kg) for 2-door; 3500 lbs (1588 kg) for 4-door
NHTSA Rollover Resistance:
4/5 stars (typical for 2-door model)
Electronic Stability Control:
Standard (ESC, includes Traction Control and Electronic Roll Mitigation)
Anti Lock Brakes:
Standard (ABS)
Airbags:
Frontal airbags, available side curtain airbags (depending on trim)
Seatbelts:
3-point front and rear seat belts, pretensioners
Oil Change Interval:
Every 6,000 miles (9,600 km) or 6 months, whichever comes first
Air Filter Replacement:
Every 15,000 miles (24,000 km) or 12 months
Cabin Air Filter Replacement:
Every 15,000 miles (24,000 km) or 12 months
Transmission Fluid Change:
Automatic: Every 60,000 miles (96,000 km); Manual: Check for leaks, change as needed or per severe service schedule.
Coolant Flush:
Every 60,000 miles (96,000 km) or 5 years
Power Steering Fluid:
Mopar Power Steering Fluid or Dexron III ATF
Clutch Wear:
Can be prone to premature wear with aggressive off-road use or frequent towing.
Oil Cooler Line Leaks:
Potential for leaks in the oil cooler lines (if equipped).
Windshield Wiper Pivot Wear:
Wiper pivots can wear out, leading to loose or inoperable wipers.
Heater Core Issues:
Some instances of heater core leaks have been reported.
Jeep Legacy:
Continuous lineage of rugged, off-road capable vehicles dating back to WWII Willys Jeep.
Jk Generation Intro:
The JK generation marked a significant redesign from the TJ, featuring a coil-spring suspension across all models and a completely new chassis and body. It was the first Wrangler generation to offer a four-door variant (Unlimited).
2008 Updates:
Minor refinements from the 2007 launch, with the core JK platform established.
Assembly Location:
Toledo, Ohio, USA