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Jeep Liberty KJ 2003 2004 Workshop Repair Service Manual
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🏷️ Basic Information Identification Make: Jeep Model: Liberty Chassis Code: KJ Production Years Covered: 2003-2004 Codes Vin Code Vehicle: J 👋 Introduction Market Position Segment: Compact SUV / Sport Utility...
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🏷️ Basic Information
Identification
Make:
Jeep
Model:
Liberty
Chassis Code:
KJ
Production Years Covered:
2003-2004
Codes
Vin Code Vehicle:
J
👋 Introduction
Market Position
Segment:
Compact SUV / Sport Utility Vehicle
Brand Identity:
Jeep is renowned for its off-road capability and ruggedness.
Competitive Analysis
Key Competitors 2003-2004:
Toyota RAV4, Honda CR-V, Ford Escape, Nissan Xterra
Key Features
Kj Platform Appeal:
Blended Jeep's off-road heritage with more urban-friendly styling and handling compared to traditional Wranglers.
Manual Value Proposition:
Provides in-depth technical information essential for maintaining and repairing the specific KJ Liberty models.
📋 Manual Details
Coverage Areas
Manual Title:
Jeep Liberty KJ 2003 2004 Workshop Repair Service Manual
Primary Coverage:
Repair and Overhaul of Jeep Liberty KJ Models
Page Count
Estimated Page Count:
Varies (typically 1000+ pages for full workshop manuals)
Manual Type
Manual Type:
Workshop Repair Service Manual
Language
Language:
English
Format
Format:
PDF
📖 Manual Coverage
Systems Covered
Engine Mechanical:
Engine assembly, disassembly, cylinder head, pistons, crankshaft, camshaft, timing, lubrication system, cooling system
Engine Performance:
Fuel system (injection, fuel pump, injectors), ignition system, emissions control, engine diagnostics
Transmission Drivetrain:
Manual transmission, automatic transmission (e.g., NV3550, 42RLE), transfer case (e.g., NV242, Command-Trac), differentials, drive shafts, axles
Brakes:
Front and rear brake systems, hydraulic components, parking brake, ABS system
Suspension Steering:
Front and rear suspension components (struts, shocks, control arms, springs), power steering system, steering column
Electrical Electronics:
Battery, charging system, starter motor, lighting systems, body control modules, instrument cluster, power windows, power locks, audio system, HVAC controls
Body Chassis:
Frame, body panels, doors, hood, tailgate, interior trim, exterior trim, bumpers, glass
HVAC:
Heating, ventilation, air conditioning system components, operation, and repair
Procedures Included
Routine Maintenance:
Oil change, filter replacement, fluid checks and changes, tire rotation, spark plug replacement
Troubleshooting:
Diagnostic procedures, symptom-based troubleshooting guides, error code interpretation
Repair Overhaul:
Component disassembly, cleaning, inspection, repair, and reassembly for all major vehicle systems
Component Replacement:
Step-by-step instructions for replacing common wear items and major components
Electrical Diagnostics:
Wiring diagrams, component testing, troubleshooting electrical faults
Technical Depth
Depth Level:
Comprehensive (from basic maintenance to complete engine and transmission rebuilds)
Target Audience:
Professional Technicians and Advanced DIY Mechanics
📊 Manual Specifications
File Format
PDF Quality:
High resolution, searchable text
Printable:
Yes, printable pages
Binding Type
Binding Type:
N/A (Digital PDF)
Paper Type
Paper Type:
N/A (Digital PDF)
⚙️ Engine Specifications
Primary Engine 2003
Engine Type Gasoline:
2.4L 4-Cylinder (PowerTech)
Engine Code Gasoline 2 4L:
ED1
Horsepower Gasoline 2 4L:
150 hp @ 5200 rpm
Torque Gasoline 2 4L:
170 lb-ft @ 3800 rpm
Optional Engine 2003-2004
Engine Type Gasoline:
3.7L V6 (PowerTech)
Engine Code Gasoline 3 7L:
EWG
Horsepower Gasoline 3 7L:
210 hp @ 5200 rpm
Torque Gasoline 3 7L:
235 lb-ft @ 4000 rpm
Optional Engine Diesel
Engine Type Diesel:
2.5L CRD (Common Rail Diesel) - Primarily for export markets
Fuel System
Fuel Delivery Gasoline:
Multi-port Fuel Injection (MPI)
Fuel Type Gasoline:
Unleaded Gasoline (87 octane recommended)
Engine Management
ECU Type:
Various NGC (Next Generation Controller) variants depending on engine and market
🔧 Transmission
Standard Transmission 2003-2004
Transmission Type:
5-Speed Manual (NV3550)
Optional Transmission 2003-2004
Transmission Type:
4-Speed Automatic (42RLE)
Transfer Case Options
Transfer Case Type:
Part-time 2-speed (NV242 'Select-Trac' - standard on most models) or Full-time 4WD (NV242 HD 'Full-time 4WD' optional)
Features
Automatic Transmission Features:
Electronically controlled with overdrive
Fluid Specifications
Manual Transmission Fluid:
Mopar Manual Transmission Lubricant (or equivalent GL-3/GL-4, SAE 75W-90)
Automatic Transmission Fluid:
Mopar ATF+4 (MS-9602) or equivalent
📐 Dimensions
Exterior
Wheelbase Inches:
104.1
Length Inches:
173.5
Width Inches:
72.5
Height Inches:
67.5
Ground Clearance Inches:
8.1 (approx.)
Weights
Curb Weight Lbs 2 4L:
3700-3900 (approx.)
Curb Weight Lbs 3 7L:
3900-4100 (approx.)
Towing Capacity Lbs:
Up to 3500 (with optional towing package)
Wheel Tire
Standard Wheel Size:
16-inch alloy or steel
Standard Tire Size:
P225/75R16
Bolt Pattern:
5x114.3 mm (5x4.5 inches)
🛡️ Safety Features
Ratings
NHTSA Front Impact Driver:
Good (for 2003 model year)
NHTSA Front Impact Passenger:
Good (for 2003 model year)
NHTSA Side Impact Front Driver:
Good (for 2003 model year)
NHTSA Side Impact Front Passenger:
Good (for 2003 model year)
NHTSA Rollover Resistance:
3 (approx. 20% chance of rollover)
Active Features
ABS:
Standard Anti-lock Braking System (ABS)
Traction Control:
Optional Traction Control System (TCS)
Passive Features
Airbags Front:
Standard dual front airbags
Airbags Side:
Optional front side-impact airbags
💡 Technology Features
Infotainment
Standard Audio:
AM/FM stereo with CD player, 4 or 6 speakers
Optional Audio:
Premium Infinity sound system, Sirius Satellite Radio
Driver Assistance
Cruise Control:
Standard
Rear Defroster Wiper:
Standard
Connectivity
Power Outlets:
12V auxiliary power outlets
🔧 Maintenance
Service Intervals
Oil Change Interval:
Every 3,000-7,500 miles (depending on oil type and driving conditions, refer to manual)
Engine Air Filter:
Inspect every 15,000 miles, replace as needed (typically every 30,000 miles)
Spark Plugs 2 4L:
Replace every 100,000 miles (Long-life Platinum)
Spark Plugs 3 7L:
Replace every 100,000 miles (Long-life Platinum)
Coolant Change:
Initial 100,000 miles or 5 years, then every 50,000 miles or 5 years thereafter
Fluid Specifications
Engine Oil 2 4L:
5W-30 (API certified - consult manual for exact spec)
Engine Oil 3 7L:
5W-30 (API certified - consult manual for exact spec)
Engine Oil Capacity 2 4L:
4.5 quarts (with filter)
Engine Oil Capacity 3 7L:
5.0 quarts (with filter)
Coolant:
Mopar OAT (Organic Additive Technology) Antifreeze/Coolant, HOAT (Hybrid Organic Additive Technology) may be compatible; consult manual.
Known Issues
Common Problems Kj:
Radiator leaks, AC system issues, front suspension wear (ball joints, control arms), potential for oil filter housing leaks, power steering pump noise.
Interior Wear:
Dashboard material can degrade or crack in hot climates.
Electrical Quirks
Common Electrical:
Body control module (BCM) issues, power window regulator failures.
📚 Vehicle History
Brand Heritage
Jeep Legacy:
Founded in 1941 with the Willys MB Jeep, the brand is synonymous with off-road prowess and adventure.
Model Evolution
Kj Generation:
First generation Jeep Liberty (KJ) launched in 2002 as a replacement for the Cherokee (XJ).
Design Philosophy:
Marketed as a more refined and comfortable Jeep that could still handle moderate off-road conditions, bridging the gap between the Wrangler and Grand Cherokee.
Production
Production Location:
Toledo, Ohio, USA
🏆 Awards & Recognition
Recognitions
Segment Appeal:
Popular among buyers seeking a compact SUV with some off-road capability and the Jeep brand cachet.
Ratings
Consumer Reports Rating Early Models:
Mixed to average, often citing reliability concerns in early KJ models compared to competitors.