Jeep Wrangler JK Complete Workshop Service Repair Manual 2007 2008 2009

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🏷️ Basic Information Identification Make: Jeep Model: Wrangler Model Code: JK Model Years Covered: 2007, 2008, 2009 Generation Jk Generation Start Year: 2007 Jk Generation End Year: 2018 👋 Introduction...

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类型: Car

斯库: 457442

标签: 2007 2008 2009 Car Cars Featured Jeep Wrangler Wrangler JK

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Description

🏷️ Basic Information

Identification

Make:

Model:

Wrangler

Model Code:

Model Years Covered:

2007, 2008, 2009

Generation

Jk Generation Start Year:

Jk Generation End Year:

👋 Introduction

Market Position

Segment:

Compact/Mid-size SUV, highly capable off-road vehicle.

Competitive Analysis

Key Competitors 2007-2009:

Toyota FJ Cruiser, Nissan Xterra, Hummer H3, Suzuki Grand Vitara (though less direct competitors).

Key Features

Iconic Design:

Retains classic Jeep styling cues like the seven-slot grille, round headlights, and exposed hinges.

Off Road Prowess:

Renowned for its solid axles (front Dana 30, rear Dana 44 on many models), available 4x4 systems (Command-Trac, Rock-Trac), and impressive articulation.

Versatility:

Available in two-door and four-door (Unlimited) configurations, with removable doors, roof, and fold-down windshield for an open-air experience.

📋 Manual Details

Coverage Areas

All Models Engines Trims Transmissions:

Page Count

Estimated Page Count:

Extensive (specific count not provided, but described as 'Complete' and 'A-Z')

Manual Type

Type:

Complete Workshop Service Repair Manual

Language

Language:

English

Format

Format:

Downloadable Digital File (PDF)

📖 Manual Coverage

Systems Covered

Engine Mechanical:

Full coverage of engine assembly, disassembly, diagnostics, and repair for all applicable engines.

Engine Electrical:

Ignition system, fuel injection, emission controls, cooling system, lubrication system, starting and charging systems.

Transmission:

Manual and automatic transmission service, repair, and overhaul procedures.

Drivetrain:

Transfer case, front and rear axles (Dana 30/44), driveshafts, CV joints, and differentials.

Brakes:

Hydraulic system, anti-lock braking system (ABS), brake pad/shoe replacement, caliper and rotor service, parking brake.

Suspension:

Front and rear suspension components, including coil springs, shock absorbers, control arms, and track bars.

Steering:

Power steering system, steering column, steering gear/rack and pinion, tie rods, and steering linkage.

Body And Chassis:

Frame, body panels, doors, hoods, fenders, bumpers, soft top/hard top systems, interior trim.

Electrical System:

Wiring diagrams, lighting, power distribution, comfort and convenience features, body control modules.

HVAC:

Heating, Ventilation, and Air Conditioning (HVAC) system diagnosis and repair.

Safety Systems:

Airbag system diagnosis and replacement, seat belt mechanisms.

Tire Pressure Monitoring:

Diagnosis and resetting of the Tire Pressure Monitoring System (TPMS).

Instrument Cluster:

Service and diagnosis of gauges, warning lights, and the instrument cluster itself.

Procedures Included

Routine Maintenance:

Oil changes, filter replacements, fluid checks and changes, tire rotations, spark plug replacement.

Troubleshooting:

Diagnostic procedures, symptom-based troubleshooting, error code interpretation.

Component Repair Replacement:

Detailed instructions for the removal, installation, and repair of virtually all mechanical and electrical components.

Engine Rebuild:

Complete engine disassembly, inspection, overhaul, and reassembly procedures.

Transmission Rebuild:

Detailed steps for overhauling both manual and automatic transmissions.

Brake System Service:

Replacement of brake pads, rotors, calipers, and bleeding the brake system.

Suspension And Steering Repair:

Replacement of ball joints, tie rod ends, shocks, springs, and steering components.

Electrical Diagnostics:

Tracing electrical faults, testing circuits, and diagnosing issues with ECUs and sensors.

Bodywork And Trim Replacement:

Guidance on removing and replacing exterior body panels and interior trim components.

Wiring Diagrams:

Comprehensive, color-coded wiring schematics for all vehicle systems.

Drivetrain Component Repair:

Repair and replacement of axle shafts, universal joints, wheel bearings, and differential assemblies.

Body Hardware Replacement:

Service for door hinges, latches, latches, hood mechanisms, and tailgate components.

Chassis Lubrication:

Procedures for greasing suspension and steering components (where applicable).

Technical Depth

Depth:

Comprehensive, suitable for professional mechanics and advanced DIYers. Covers everything from basic maintenance to full overhauls and complex diagnostics.

📊 Manual Specifications

File Format

File Type:

Searchability:

Likely text-searchable due to being a digital download.

Print Quality

Print Capability:

Printable by chapter or entire document.

Binding Type

Binding:

N/A (Digital download, user prints and binds as desired)

Paper Type

Paper Quality:

N/A (Digital download, user chooses paper type for printing)

⚙️ Engine Specifications

Primary Engine

Engine 3.8L V6:

3.8L OHV V6 (EGA series)

Engine 3.8L V6 Displacement:

3778 cc (230.5 cubic inches)

Engine 3.8L V6 Bore X Stroke:

96.0 mm x 86.0 mm

Engine 3.8L V6 Compression Ratio:

9.1:1

Engine 3.8L V6 Horsepower 2007-2008:

202 hp @ 5200 rpm

Engine 3.8L V6 Horsepower 2009:

202 hp @ 5200 rpm

Engine 3.8L V6 Torque 2007-2008:

237 lb-ft @ 4000 rpm

Engine 3.8L V6 Torque 2009:

237 lb-ft @ 4000 rpm

Engine 3.8L V6 Block Material:

Cast Iron

Engine 3.8L V6 Cylinder Head Material:

Aluminum

Fuel System

Fuel Delivery:

Multi-point Fuel Injection (MPI)

Recommended Fuel:

87 Octane Unleaded Gasoline

🔧 Transmission

Standard

Transmission 2Dr Std 2007-2009:

6-speed Manual Transmission (NSG370)

Optional

Transmission Auto Std 2007-2009:

4-speed Automatic Transmission (42RLE)

Features

4X4 System Standard:

Command-Trac NV241G (Part-time, 2-High, 4-High, Neutral, 4-Low)

4X4 System Optional Rubicon:

Rock-Trac NV241OR (Part-time, 2-High, 4-High, Neutral, 4-Low with 4:1 ratio)

📐 Dimensions

Exterior 2Dr

Length 2Dr:

Approx. 160.0 inches (4064 mm)

Exterior 4Dr Unlimited

Length 4Dr Unlimited:

Approx. 173.4 inches (4404 mm)

Exterior Width

Width Excluding Mirrors:

Approx. 73.7 inches (1872 mm)

Exterior Height

Height With Hardtop:

Approx. 72.4 inches (1839 mm)

Wheelbase 2Dr

Wheelbase 2Dr:

Approx. 95.4 inches (2423 mm)

Wheelbase 4Dr Unlimited

Wheelbase 4Dr Unlimited:

Approx. 116.0 inches (2946 mm)

Weights

Curb Weight 2Dr Est:

Approx. 3,900 - 4,100 lbs (1769 - 1860 kg)

Curb Weight 4Dr Unlimited Est:

Approx. 4,200 - 4,500 lbs (1905 - 2041 kg)

Ground Clearance

Ground Clearance Rubicon Est:

Approx. 10.2 inches (259 mm)

🛡️ Safety Features

Ratings

NHTSA Rollover Rating 2007-2009:

4 out of 5 stars (may vary by configuration)

Active Features

Standard Anti-lock Braking System (ABS)

Traction Control:

Standard Electronic Roll Mitigation (ERM) and Electronic Stability Control (ESC)

Passive Features

Airbags:

Standard front airbags; side curtain airbags became available/standard on some later trims/years within this period.

Rollover Protection:

Integrated roll cage structure designed into the B-pillar and roof structure.

💡 Technology Features

Infotainment

Audio System Options:

Base AM/FM CD player, optional Infinity speakers, subwoofer, and SiriusXM satellite radio. Navigation systems were less common in early JK models.

Driver Assistance

Traction Control:

ESC and ERM are standard, providing electronic aids for stability and preventing rollovers.

Connectivity

Aux Input:

Standard auxiliary audio input jack available on many models.

🔧 Maintenance

Service Intervals Engine Oil

Oil Change Interval Est:

Every 5,000 - 7,500 miles (8,000 - 12,000 km) or 6 months, whichever comes first, depending on driving conditions.

Oil Filter Part Number Est:

Mopar MO-899 / Wix 57855 / Fram CH10649 (check for specific engine fitment)

Fluid Specifications

Engine Oil Specification:

SAE 5W-30 API SN or compatible (check owner's manual for exact specification)

Engine Oil Capacity 3.8L V6:

5 Quarts (4.7 Liters) with filter

Transmission Fluid Auto:

ATF+4 (Mopar)

Transmission Fluid Manual:

MS-9224 (Chrysler specification for manual transmission fluid)

Transfer Case Fluid:

NV241G/OR: Mopar NV241 Transfer Case Fluid or equivalent GL-4 SAE 75W-90

Axle Fluid Front Rear:

Hypoid Gear Lubricant SAE 80W-90 (API GL-5) with Friction Modifier for Limited Slip Differentials (if equipped)

Coolant:

Mopar Antifreeze/Coolant (HOAT) - OAT Yellow or equivalent meeting Chrysler MS-9769

Known Issues

Clutch Wear Manual:

Clutch wear can be accelerated with aggressive off-road use or frequent towing.

Oil Cooler Lines:

Some reports of oil cooler line leaks or damage, particularly on models with automatic transmissions.

Evap System Leaks:

Common for Check Engine Lights due to evaporative emission system leaks (e.g., gas cap, vent hose).

Speedometer Accuracy:

Aftermarket tire size changes can affect speedometer accuracy, often requiring recalibration.

Wiper Motor Failure:

Reports of premature wiper motor failure in some units.

📚 Vehicle History

Brand Heritage

Jeep Legacy:

Jeep has a rich heritage dating back to World War II, known for rugged, go-anywhere vehicles.

Model Evolution

Wrangler Lineage:

The JK generation replaced the TJ Wrangler, marking a significant redesign including a modern interior and powertrain, and the introduction of the four-door 'Unlimited' model.

Production

Jk Production Start Location:

Toledo, Ohio, USA

🏆 Awards & Recognition

Recognitions

Off Road Awards:

Consistently recognized by off-road publications and enthusiasts for its capabilities. Many aftermarket manufacturers develop specialized parts for the JK platform.