🏷️ Basic Information

Make:

Jeep

Model:

Wrangler

Year:

2008

Chassis Code:

JK

Engine Code Identifier:

Identification of specific engine codes for JK generation

👋 Introduction

Vehicle Segment:

Compact SUV / Off-Road Vehicle

Jeep Philosophy:

The Wrangler embodies Jeep's core identity of ruggedness, off-road capability, and open-air freedom.

Key Competitors:

Ford Bronco (historic), Toyota FJ Cruiser, Nissan Xterra, Hummer H3.

Iconic Design:

Seven-slot grille, round headlights, exposed hinges, removable doors and top.

Off Road Prowess:

Solid axles (historically, but JK generation introduced front independent suspension on some models), 4x4 systems (Command-Trac, Selec-Trac, Rock-Trac), high ground clearance, short overhangs.

Versatility:

Adaptable for daily driving and extreme off-road adventures, configurable for open-air driving.

📋 Manual Details

Coverage Scope:

All models and all repairs A-Z, vehicle specific

Estimated Page Count:

Detailed page count unavailable in provided data, but described as comprehensive.

Type:

Service and Repair Manual

Source:

Factory-level or equivalent OEM technical documentation

Language:

English

Format:

Likely digital (PDF) or printed, typical for technician manuals.

📖 Manual Coverage

Powertrain:

Engine mechanical, engine performance, fuel system, cooling system, lubrication system, ignition system, exhaust system, manual transmission, automatic transmission, transfer case, driveline, axles.

Chassis:

Suspension system (front and rear), steering system, brake system (front and rear), wheels and tires.

Electrical:

Body electrical systems, lighting, instrumentation, power windows, power locks, audio system, climate control system, engine control module (ECM) diagnostics, powertrain control module (PCM) diagnostics.

Body:

Body construction, exterior panels, interior trim, doors, windows, roof systems (soft top, hard top), seats.

Maintenance:

Scheduled maintenance, oil changes, fluid checks and replacements, filter replacements, tire rotations, brake pad inspection.

Diagnostics:

Troubleshooting guides, diagnostic trouble codes (DTCs) interpretation, component testing, electrical schematic analysis.

Repair:

Step-by-step repair procedures for all major systems, including engine disassembly/assembly, transmission overhaul, suspension component replacement, brake caliper rebuild, electrical component replacement.

Installation:

Installation procedures for major components and accessories, including timing belt replacement, clutch replacement, shock absorber installation, power steering pump replacement.

Depth:

Complete repair and diagnostic information equivalent to dealership technician manuals, covering everything from basic maintenance to full engine and transmission rebuilds.

📊 Manual Specifications

Digital Format:

Likely PDF with searchable text and high-resolution diagrams.

Print Quality Assessment:

Assumed high quality for diagrams, schematics, and procedural steps, reflecting dealer-level standards.

Binding Type Assessment:

If printed, typically bound for durability and ease of use in a workshop environment.

Paper Type Assessment:

If printed, usually on durable, possibly glossy paper to withstand workshop conditions and display clear diagrams.

⚙️ Engine Specifications

Engine Type:

3.8L V6 (6G75/EGF)

Horsepower:

202 hp @ 5200 rpm

Torque:

237 lb-ft @ 4000 rpm

Fuel Delivery:

Sequential Multi-Port Fuel Injection (MPI)

Engine Bore Stroke:

96.0 mm x 87.0 mm

Engine Compression Ratio:

9.6:1

Engine Firing Order:

1-2-3-4-5-6

Engine Displacement:

3778 cc (230.5 cu. in.)

Engine Valvetrain:

Overhead Valve (OHV), 12 valves

🔧 Transmission

Transmission Type:

6-speed manual (NSG 370)

Transmission Type:

4-speed automatic (42RLE)

Transfer Case Options:

Command-Trac NV241G (2-speed, part-time 4WD), optional Rock-Trac NV241OR (2-speed, part-time 4WD with locking differentials on Rubicon models).

Manual Transmission Fluid:

Mopar Manual Transmission Lubricant (MS-9224) or equivalent SAE 75W-90 synthetic gear oil.

Automatic Transmission Fluid:

Mopar ATF+4 (MS-9602) or equivalent.

📐 Dimensions

Wheelbase:

95.4 inches (2423 mm) for 2-door, 116.0 inches (2946 mm) for 4-door Unlimited

Length:

160.0 inches (4064 mm) for 2-door, 179.4 inches (4557 mm) for 4-door Unlimited

Width:

73.4 inches (1864 mm)

Height:

70.9 inches (1801 mm) (hardtop)

Cargo Volume Behind Rear Seat:

Approx. 12.9 cu. ft. (2-door), 46.4 cu. ft. (4-door Unlimited)

Curb Weight:

Approx. 3,872 - 4,410 lbs (1756 - 2000 kg) depending on configuration.

Towing Capacity:

Up to 2,000 lbs (907 kg) for 2-door, 3,500 lbs (1588 kg) for 4-door Unlimited.

🛡️ Safety Features

NHTSA Frontal Crash Rating:

4 stars (driver and passenger) for 2008 model year.

IIHS Moderate Overlap Frontal Offset:

Good (for models tested, likely representative of the generation)

Traction Control:

Electronic Stability Control (ESC), Traction Control System (TCS), Electronic Roll Mitigation (ERM), Anti-lock Braking System (ABS).

Airbags:

Front driver and passenger airbags.

Seat Belts:

3-point seat belts with pretensioners.

Rollover Protection:

Integral roll cage structure.

💡 Technology Features

Audio System Options:

Base AM/FM/CD, optional Infinity premium audio system, Uconnect hands-free communication system with Bluetooth and voice command available on higher trims or as options.

Navigation:

Optional SiriusXM Navigation system on some models.

Stability Control:

Standard Electronic Stability Control (ESC) including Traction Control, Electronic Roll Mitigation, and ABS.

Tire Pressure Monitoring:

Standard Tire Pressure Monitoring System (TPMS).

Connectivity Features:

Uconnect system integration (if equipped) for hands-free calling and audio streaming.

🔧 Maintenance

Oil Change Interval:

Typically every 3,000-5,000 miles (4,800-8,000 km) or 6 months, whichever comes first, depending on driving conditions. Refer to the manual for precise intervals.

Tire Rotation Interval:

Every 7,500 miles (12,000 km) or as recommended in the manual.

Coolant Flush Interval:

Refer to the manual; often around 60,000 miles (96,000 km) or 5 years.

Engine Oil Type:

SAE 5W-30 synthetic or synthetic blend meeting Chrysler MS-6395 specification.

Engine Oil Capacity:

5 quarts (4.7 liters) with filter change for 3.8L V6.

Coolant Type:

Mopar Antifreeze/Coolant (MS-9769) - orange silicate-free formula.

Brake Fluid Type:

DOT 3.

Engine Oil Sludge:

Some 3.8L V6 engines were prone to oil sludge buildup if maintenance intervals were not strictly followed. Manual emphasizes proper oil and filter changes.

Clutch Wear:

Manual transmission clutches can experience wear with aggressive off-road use. Manual covers clutch inspection and replacement.

Transfer Case Issues:

Potential for minor leaks or wear in transfer case seals, covered extensively in the manual.

Body Rust:

Common in off-road vehicles; manual provides guidance on inspection and minor body repair, though extensive rust repair may be beyond its scope.

📚 Vehicle History

Jeep Legacy:

Jeep's lineage traces back to WWII military vehicles, establishing a reputation for ruggedness and off-road capability.

Jk Generation Introduction:

The JK generation was introduced for the 2007 model year, representing a significant redesign from the TJ generation.

Jk Key Changes Vs Tj:

First Wrangler with a four-door option (Unlimited), wider track, longer wheelbase, and introduction of coil springs in the front for some models, moving away from solid front axles for improved on-road manners while retaining off-road capability. Body-on-frame construction retained.

Manufacturing Location:

Toledo Complex, Toledo, Ohio, USA.

🏆 Awards & Recognition

Off Road Awards:

Jeep Wrangler consistently recognized by off-road publications and enthusiasts for its capability. Specific awards for 2008 model may vary.

Consumer Reports Rating:

Consumer Reports ratings for the 2008 Wrangler generally cited average to below-average predicted reliability, often due to the newness of the JK platform and specific components.

Emissions Certification:

Meets EPA and California LEV-II emission standards.