Jeep Wrangler JK 2.8L 3.8L 2009 Service Repair Workshop Manual

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🏷️ Basic Information Identification Make: Jeep Model: Wrangler Model Code: JK Year: 2009 Primary Engine: 2.8L CRD (Diesel) Secondary Engine: 3.8L V6 (Gasoline) Region Availability: Global (specific engine variants may vary by region) 👋 Introduction Market Position Vehicle Segment: Compact SUV / Off-Road Vehicle Jeep Heritage: Continuation of Jeep's legendary off-road capabilities and iconic design Competitive Analysis Key Competitors 2009: Toyota FJ Cruiser, Toyota 4Runner, Nissan Xterra, Hummer H3 Unique Selling Proposition: Unmatched off-road prowess, robust solid axle design (JK generation), customizable platform, open-air driving experience Key Features Vehicle Platform: JK Platform (introduced for the 2007 model year) Body Styles: 2-door (Wrangler) and 4-door (Wrangler Unlimited) Design Philosophy: Rugged, utilitarian, highly capable off-road, functional and durable interior Manual Value Proposition: Empowers owners to perform maintenance and repairs, saving costs and extending vehicle lifespan, with detailed factory-level guidance 📋 Manual Details Coverage Areas Manual Type: Service Repair Workshop Manual Language: English Format: Downloadable PDF Delivery Method: Instant Download Usage License: Lifetime, Unlimited Devices Compatibility: Windows & MAC Computers, Tablets, Smartphones Printability: Full Page or Single Page Printing Allowed Version Limitations: Full, Unrestricted Version 📖 Manual Coverage Systems Covered Engine Systems: Engine overhaul, diagnostics, fuel system, cooling system, lubrication system, ignition system, emission control systems, engine mechanicals, engine electricals Transmission Systems: Manual transmission (NSG370), Automatic transmission (42RLE), clutch, transfer case (NV241GHD), driveline, propshafts, axles Chassis Systems: Suspension (front solid axle, rear solid axle), steering system, braking system (front discs, rear discs), wheel bearings, hubs, U-joints Electrical Systems: Battery, charging system, starting system, lighting, instrumentation, body control modules, powertrain control modules (PCM), CAN bus communication, infotainment system, power windows, locks, mirrors, HVAC controls, trailer towing wiring Body And Frame: Body panel removal/installation, interior trim, seating, hardtop/soft top service, frame repair, bumpers, doors, hood, tailgate, glass, seals Procedures Included Maintenance Procedures: Scheduled maintenance, oil changes, filter replacements, fluid checks and top-offs, lubrication, belt replacement, brake pad replacement, tire rotation Repair Procedures: Engine component replacement, transmission overhaul, suspension component repair, brake system repair, electrical component diagnostics and replacement, bodywork repairs Troubleshooting Guides: Diagnostic trouble codes (DTCs), symptom-based troubleshooting, electrical system diagnosis, engine performance issues, transmission behavior Diagnostic Procedures: Use of diagnostic scan tools, wiring diagrams interpretation, circuit testing, component testing, pressure testing, leak detection Special Tools Procedures: Identification and use of specialized tools required for specific repairs and diagnostics Technical Depth Depth Level: Comprehensive Factory Level Diagrams Illustrations: Hundreds of detailed photos and exploded diagrams Instructions Style: Step-by-step instructions for all procedures Target Audience: Professional Mechanics, Technicians, and Advanced DIY Enthusiasts Data Accuracy: Factory-authorized specifications and procedures 📊 Manual Specifications File Format Digital Format: PDF (Portable Document Format) File Quality: High-resolution for clear text and image reproduction Searchability: Likely text-searchable, facilitating quick information retrieval Print Quality Print Capability: Printable on standard paper sizes Print Resolution: Suitable for professional quality printing Binding Type Digital Binding: N/A (Digital File) Paper Type Digital Paper Type: N/A (Digital File) ⚙️ Engine Specifications Primary Engine Engine Code 2 8L Crd: EXR (VM Motori R 428 DOHC) Displacement 2 8L Crd: 2.8 Liters (2776 cc) Configuration 2 8L Crd: Inline 4-Cylinder Turbocharged Diesel Horsepower 2 8L Crd: ~177 hp @ 3800 rpm (typical for this era) Torque 2 8L Crd: ~330-340 lb-ft @ 1600-1800 rpm (typical for this era) Fuel System 2 8L Crd: Common Rail Direct Injection (CRD) Emission Control 2 8L Crd: Diesel Particulate Filter (DPF), Exhaust Gas Recirculation (EGR), Catalytic Converter Secondary Engine Engine Code 3 8L V6: EGF (Chrysler 3.8L Pushrod V6) Displacement 3 8L V6: 3.8 Liters (3778 cc) Configuration 3 8L V6: V6, OHV (Overhead Valve), 2 valves per cylinder Horsepower 3 8L V6: 202 hp @ 5200 rpm Torque 3 8L V6: 237 lb-ft @ 4000 rpm Fuel System 3 8L V6: Multi-point Fuel Injection (MPI) Emission Control 3 8L V6: Catalytic Converter, Oxygen Sensors 🔧 Transmission Standard Transmission 2 Door Jk: NSG370 6-Speed Manual Transmission Optional Transmission Jk All Variants: 42RLE 4-Speed Automatic Transmission Transfer Case Standard Transfer Case: NV241GHD Command-Trac (Part-time, 2-speed) Features Manual Gear Ratios Nsg370: 1st: 4.46, 2nd: 2.90, 3rd: 1.87, 4th: 1.33, 5th: 1.00, 6th: 0.83, Reverse: 4.23 Automatic Gear Ratios 42Rle: 1st: 2.74, 2nd: 1.54, 3rd: 1.00, 4th: 0.72, Reverse: 2.10 Fluid Type Manual Nsg370 Fluid: Mopar Manual Transmission Fluid (MS-9224) or equivalent SAE 75W-90 API GL-4 synthetic Fluid Type Automatic 42Rle Fluid: ATF+4 (MS-9602) or equivalent Clutch Type Nsg370 Clutch: Hydraulically actuated, single dry plate 📐 Dimensions Exterior Wheelbase 2 Door: 95.4 inches (2423 mm) Wheelbase 4 Door Unlimited: 116.0 inches (2946 mm) Length 2 Door: 169.0 inches (4293 mm) Length 4 Door Unlimited: 184.0 inches (4674 mm) Width Without Mirrors: 73.7 inches (1872 mm) Height With Hardtop: 72.4 inches (1839 mm) Ground Clearance: 10.2 inches (259 mm) (Rubicon models) Weights Curb Weight 2 Door 2.8L: Approx. 4,180 lbs (1896 kg) Curb Weight 4 Door 3.8L: Approx....

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Sku: 522793

Collecties: ALL Featured Jeep

Beschikbaarheid: Op voorraad

Labels: 2009 Car Cars Featured Jeep Wrangler Wrangler JK 2.8L Wrangler JK 3.8L

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Description

🏷️ Basic Information

Identification

Make:

Model:

Wrangler

Model Code:

Year:

Primary Engine:

2.8L CRD (Diesel)

Secondary Engine:

3.8L V6 (Gasoline)

Region Availability:

Global (specific engine variants may vary by region)

👋 Introduction

Market Position

Vehicle Segment:

Compact SUV / Off-Road Vehicle

Jeep Heritage:

Continuation of Jeep's legendary off-road capabilities and iconic design

Competitive Analysis

Key Competitors 2009:

Toyota FJ Cruiser, Toyota 4Runner, Nissan Xterra, Hummer H3

Unique Selling Proposition:

Unmatched off-road prowess, robust solid axle design (JK generation), customizable platform, open-air driving experience

Key Features

Vehicle Platform:

JK Platform (introduced for the 2007 model year)

Body Styles:

2-door (Wrangler) and 4-door (Wrangler Unlimited)

Design Philosophy:

Rugged, utilitarian, highly capable off-road, functional and durable interior

Manual Value Proposition:

Empowers owners to perform maintenance and repairs, saving costs and extending vehicle lifespan, with detailed factory-level guidance

📋 Manual Details

Coverage Areas

Manual Type:

Service Repair Workshop Manual

Language:

English

Format:

Downloadable PDF

Delivery Method:

Instant Download

Usage License:

Lifetime, Unlimited Devices

Compatibility:

Windows & MAC Computers, Tablets, Smartphones

Printability:

Full Page or Single Page Printing Allowed

Version Limitations:

Full, Unrestricted Version

📖 Manual Coverage

Systems Covered

Engine Systems:

Engine overhaul, diagnostics, fuel system, cooling system, lubrication system, ignition system, emission control systems, engine mechanicals, engine electricals

Transmission Systems:

Manual transmission (NSG370), Automatic transmission (42RLE), clutch, transfer case (NV241GHD), driveline, propshafts, axles

Chassis Systems:

Suspension (front solid axle, rear solid axle), steering system, braking system (front discs, rear discs), wheel bearings, hubs, U-joints

Electrical Systems:

Battery, charging system, starting system, lighting, instrumentation, body control modules, powertrain control modules (PCM), CAN bus communication, infotainment system, power windows, locks, mirrors, HVAC controls, trailer towing wiring

Body And Frame:

Body panel removal/installation, interior trim, seating, hardtop/soft top service, frame repair, bumpers, doors, hood, tailgate, glass, seals

Procedures Included

Maintenance Procedures:

Scheduled maintenance, oil changes, filter replacements, fluid checks and top-offs, lubrication, belt replacement, brake pad replacement, tire rotation

Repair Procedures:

Engine component replacement, transmission overhaul, suspension component repair, brake system repair, electrical component diagnostics and replacement, bodywork repairs

Troubleshooting Guides:

Diagnostic trouble codes (DTCs), symptom-based troubleshooting, electrical system diagnosis, engine performance issues, transmission behavior

Diagnostic Procedures:

Use of diagnostic scan tools, wiring diagrams interpretation, circuit testing, component testing, pressure testing, leak detection

Special Tools Procedures:

Identification and use of specialized tools required for specific repairs and diagnostics

Technical Depth

Depth Level:

Comprehensive Factory Level

Diagrams Illustrations:

Hundreds of detailed photos and exploded diagrams

Instructions Style:

Step-by-step instructions for all procedures

Target Audience:

Professional Mechanics, Technicians, and Advanced DIY Enthusiasts

Data Accuracy:

Factory-authorized specifications and procedures

📊 Manual Specifications

File Format

Digital Format:

PDF (Portable Document Format)

File Quality:

High-resolution for clear text and image reproduction

Searchability:

Likely text-searchable, facilitating quick information retrieval

Print Quality

Print Capability:

Printable on standard paper sizes

Print Resolution:

Suitable for professional quality printing

Binding Type

Digital Binding:

N/A (Digital File)

Paper Type

Digital Paper Type:

N/A (Digital File)

⚙️ Engine Specifications

Primary Engine

Engine Code 2 8L Crd:

EXR (VM Motori R 428 DOHC)

Displacement 2 8L Crd:

2.8 Liters (2776 cc)

Configuration 2 8L Crd:

Inline 4-Cylinder Turbocharged Diesel

Horsepower 2 8L Crd:

~177 hp @ 3800 rpm (typical for this era)

Torque 2 8L Crd:

~330-340 lb-ft @ 1600-1800 rpm (typical for this era)

Fuel System 2 8L Crd:

Common Rail Direct Injection (CRD)

Emission Control 2 8L Crd:

Diesel Particulate Filter (DPF), Exhaust Gas Recirculation (EGR), Catalytic Converter

Secondary Engine

Engine Code 3 8L V6:

EGF (Chrysler 3.8L Pushrod V6)

Displacement 3 8L V6:

3.8 Liters (3778 cc)

Configuration 3 8L V6:

V6, OHV (Overhead Valve), 2 valves per cylinder

Horsepower 3 8L V6:

202 hp @ 5200 rpm

Torque 3 8L V6:

237 lb-ft @ 4000 rpm

Fuel System 3 8L V6:

Multi-point Fuel Injection (MPI)

Emission Control 3 8L V6:

Catalytic Converter, Oxygen Sensors

🔧 Transmission

Standard Transmission

2 Door Jk:

NSG370 6-Speed Manual Transmission

Optional Transmission

Jk All Variants:

42RLE 4-Speed Automatic Transmission

Transfer Case

Standard Transfer Case:

NV241GHD Command-Trac (Part-time, 2-speed)

Features

Manual Gear Ratios Nsg370:

1st: 4.46, 2nd: 2.90, 3rd: 1.87, 4th: 1.33, 5th: 1.00, 6th: 0.83, Reverse: 4.23

Automatic Gear Ratios 42Rle:

1st: 2.74, 2nd: 1.54, 3rd: 1.00, 4th: 0.72, Reverse: 2.10

Fluid Type Manual

Nsg370 Fluid:

Mopar Manual Transmission Fluid (MS-9224) or equivalent SAE 75W-90 API GL-4 synthetic

Fluid Type Automatic

42Rle Fluid:

ATF+4 (MS-9602) or equivalent

Clutch Type

Nsg370 Clutch:

Hydraulically actuated, single dry plate

📐 Dimensions

Exterior

Wheelbase 2 Door:

95.4 inches (2423 mm)

Wheelbase 4 Door Unlimited:

116.0 inches (2946 mm)

Length 2 Door:

169.0 inches (4293 mm)

Length 4 Door Unlimited:

184.0 inches (4674 mm)

Width Without Mirrors:

73.7 inches (1872 mm)

Height With Hardtop:

72.4 inches (1839 mm)

Ground Clearance:

10.2 inches (259 mm) (Rubicon models)

Weights

Curb Weight 2 Door 2.8L:

Approx. 4,180 lbs (1896 kg)

Curb Weight 4 Door 3.8L:

Approx. 4,390 lbs (1991 kg)

Towing Capacity:

3,500 lbs (1588 kg) for all models

🛡️ Safety Features

Ratings

NHTSA Front Impact Driver:

4 Stars (for 2009 models)

NHTSA Front Impact Passenger:

4 Stars (for 2009 models)

NHTSA Side Impact Front Seat:

5 Stars (for 2009 models)

NHTSA Rollover Resistance:

3 Stars (for 2009 models)

Active Features

Standard Anti-lock Braking System (ABS)

Traction Control:

Standard Electronic Traction Control (ETC)

Standard Electronic Stability Program (ESP)

Hill Start Assist:

Available on some models

Passive Features

Airbags:

Front driver and passenger airbags, available side curtain airbags

Seatbelts:

3-point seat belts with pretensioners

Rollover Protection:

Integrated roll cage structure

💡 Technology Features

Infotainment

Audio System:

Base AM/FM/CD/MP3 player with 6 speakers. Optional Infinity speaker system available. Uconnect infotainment system with Bluetooth and voice command optional on higher trims.

Navigation:

Optional factory navigation system available on higher trims.

Driver Assistance

Cruise Control:

Standard cruise control.

Tire Pressure Monitoring:

Available Tire Pressure Monitoring System (TPMS).

Connectivity

Bluetooth:

Optional Uconnect Bluetooth hands-free communication system.

Auxiliary Input:

Standard auxiliary audio input jack.

🔧 Maintenance

Service Intervals

Oil Change Interval Gasoline:

Every 6,000 miles or 6 months (whichever comes first)

Oil Change Interval Diesel:

Every 5,000 miles or 6 months (whichever comes first), or as per specific diesel manual recommendations

Engine Air Filter:

Inspect every 15,000 miles, replace as needed

Cabin Air Filter:

Replace every 15,000 - 30,000 miles, depending on environment

Transmission Fluid Auto:

Check every oil change, change every 30,000 - 60,000 miles (severe duty use may require more frequent changes)

Transmission Fluid Manual:

Inspect for leaks, change if performance degrades or at high mileage (e.g., 100,000 miles)

Transfer Case Fluid:

Check for leaks, change if performance degrades or at high mileage (e.g., 100,000 miles)

Coolant Flush:

Every 30,000 - 50,000 miles (depending on coolant type)

Brake Fluid:

Flush and replace every 24,000 - 48,000 miles or 2-3 years

Fluid Specifications

Engine Oil Gasoline:

SAE 5W-20, API SN or higher, ILSAC GF-5 compliant (e.g., Mopar SAE 5W-20)

Engine Oil Diesel:

SAE 5W-30, API CJ-4 or CK-4 compliant (e.g., Mopar SAE 5W-30 Synthetic)

Coolant:

Mopar OAT (Organic Additive Technology) Antifreeze/Coolant, 5 Year/100,000 Mile Formula, or equivalent HOAT/OAT coolant, 50/50 mix with distilled water

Power Steering Fluid:

Mopar Power Steering Fluid or equivalent ATF+4

Known Issues

3 8L V6 Issues:

Known for relatively low power and torque for its size; oil consumption can be an issue on higher mileage engines; some reports of head gasket leaks on older engines (though less common on JK)

2 8L Crd Issues:

DPF regeneration issues if not driven regularly; potential for turbocharger issues; Glow plug system diagnostics; injector seal leaks

42Rle Automatic Transmission:

Can be sluggish; some owners report heat-related issues; solenoid pack failures

Transfer Case Nv241Ghd:

Potential for chain stretch over time; seal leaks

Suspension Steering:

Death wobble (a violent oscillation of the front end, often due to worn components like track bar, ball joints, or steering stabilizer); leaks from axle seals

Electrical Issues:

Water intrusion into wiring harnesses; issues with Body Control Module (BCM) and Tipm (Totally Integrated Power Module)

📚 Vehicle History

Brand Heritage

Jeep Origins:

Founded in 1941 with the Willys MB military jeep, synonymous with off-road capability and ruggedness

Model Evolution

Cj Series:

Direct lineage from the original civilian Jeeps (CJ-2A through CJ-7)

Yj Series:

Introduction of leaf-spring front suspension and square headlights (1987-1995)

Tj Series:

Introduction of coil-spring front suspension, a significant upgrade in on-road comfort and off-road articulation (1997-2006)

Jk Series Introduction:

All-new design for 2007, wider track, longer wheelbase, increased interior space, available 4-door Unlimited model, introduction of the 3.8L V6 engine

Production

Jk Production Years:

2007-2018

Manufacturing Location:

Toledo, Ohio, USA

🏆 Awards & Recognition

Recognitions

Off Road Awards:

Consistently recognized for off-road capability by various automotive publications and off-road enthusiasts' groups.

Utility Awards:

Often cited for its utility and versatility as an adventure vehicle.

Ratings

Consumer Reports Reliability:

Variable reliability ratings over the JK generation's lifespan; specific year and engine variations can impact ratings.

Certifications

Emissions Compliance:

Meets all applicable EPA and CARB emissions standards for the 2009 model year.