🏷️ Basic Information Identification Make: Jeep Model: Liberty Year: 2007 Chassis Code: KJ Codes Product Code Identifier: 2007 Jeep Liberty KJ Service and Repair Manual 👋 Introduction Market Position Vehicle Segment: Compact SUV / Off-road focused SUV Competitive Analysis Key Competitors 2007: Toyota RAV4, Honda CR-V, Ford Escape, Nissan Xterra, Chevrolet TrailBlazer Key Features Jeep Brand Heritage: Renowned for off-road capability and ruggedness. Liberty Kj Positioning: Offered a more traditional SUV experience with stronger off-road credentials than many car-based crossovers. Manual Value Proposition Ideal User: DIY mechanics, independent repair shops, and Jeep enthusiasts seeking to perform comprehensive maintenance and repairs. 📋 Manual Details Coverage Areas Coverage Scope: All models and all repairs A-Z Page Count Estimated Page Count: 1500+ Manual Type Manual Type: Service and Repair Manual Language Language: English Format Format: Print 📖 Manual Coverage Systems Covered Engine: 2.4L PowerTech I4, 3.7L PowerTech V6, 2.8L CRD Diesel Transmission: 42RLE Automatic, NV156/NV244 Transfer Case, Manual Transmissions (if applicable) Drivetrain: Four-wheel drive systems (Command-Trac, Selec-Trac NV242, Selec-Trac NV244), Front and Rear Axles, Differential Suspension: Front Independent Front Suspension (IFS), Rear Solid Axle, Springs, Shock Absorbers, Control Arms Brakes: Front Disc Brakes, Rear Disc Brakes, ABS System, Parking Brake Steering: Power Steering System, Steering Gear, Steering Column Fuel System: Fuel Tank, Fuel Pump, Fuel Injectors, Fuel Filter Cooling System: Radiator, Water Pump, Thermostat, Cooling Fan Exhaust System: Exhaust Manifold, Catalytic Converter, Muffler, Pipes Electrical System: Battery, Alternator, Starter Motor, Ignition System, Lighting, Fuses, Relays Body And Chassis: Body Panels, Doors, Windows, Seats, Interior Trim, Frame Components HVAC: Air Conditioning, Heating, Ventilation System Safety Systems: Airbags, Seatbelts, ABS, Traction Control Procedures Included Maintenance: Oil Changes, Filter Replacements, Fluid Checks and Top-offs, Spark Plug Replacement, Belt Inspection and Replacement Diagnostics: Troubleshooting common issues, DTC (Diagnostic Trouble Code) interpretation, Component testing Repair: Engine overhaul, Transmission rebuild, Brake system repair, Suspension component replacement, Electrical system repair, Body panel repair Disassembly Assembly: Step-by-step instructions for component removal and installation Specifications: Torque values, Clearances, Fluid capacities, Electrical diagrams Technical Depth Depth Level: Comprehensive, covering from basic maintenance to complete engine and transmission overhauls, including electrical system diagnostics and body repairs. Documentation Source: Vehicle specific, identical to that used by dealership technicians. 📊 Manual Specifications File Format File Format: Print Book Print Quality Print Quality: High quality, durable paper with clear diagrams and illustrations. Binding Type Binding Type: Perfect bound or spiral bound (typical for service manuals for lay-flat use). Paper Type Paper Type: Heavy-duty, coated paper to withstand shop environments. ⚙️ Engine Specifications Primary Engine Engine Option 1: 2.4L PowerTech I4 (GEMA) Engine Option 1 Displacement: 2429 cc Engine Option 1 Horsepower: 150 hp @ 5200 rpm (approx.) Engine Option 1 Torque: 170 lb-ft @ 4000 rpm (approx.) Engine Option 2: 3.7L PowerTech V6 (EGB/EGG) Engine Option 2 Displacement: 3701 cc Engine Option 2 Horsepower: 210 hp @ 5200 rpm (approx.) Engine Option 2 Torque: 235 lb-ft @ 4000 rpm (approx.) Engine Option 3: 2.8L CRD (Common Rail Diesel) Turbo Diesel (498cc X 4 cylinders = 1996 cc, but typically referred to by displacement class) Engine Option 3 Displacement: 2.8 Liters (181 cu in) Engine Option 3 Horsepower: 160 hp @ 3800 rpm (approx.) Engine Option 3 Torque: 304 lb-ft @ 1750 rpm (approx.) Fuel System Fuel Delivery Gasoline: Sequential Multiport Fuel Injection (MPI) Fuel Delivery Diesel: Common Rail Direct Injection (CRDI) Performance Emissions Control: Catalytic Converter, EGR (Diesel) 🔧 Transmission Standard Transmission Option 1: 4-Speed Automatic (42RLE) Optional Transmission Option 2: 5-Speed Manual (NV1500, depending on engine/market) Features Transfer Case Options: NV156 (Part-time 4WD), NV244 (Full-time 4WD with electronic range select) Fluid Specifications Automatic Transmission Fluid: Chrysler ATF+4 (MS-9602) 📐 Dimensions Exterior Wheelbase: 104.1 inches (2644 mm) Length: 176.1 inches (4473 mm) Width: 72.4 inches (1839 mm) Height: 69.9 inches (1775 mm) Cargo Cargo Volume Behind Rear Seat: 38.9 cu ft (1102 L) Cargo Volume With Rear Seat Folded: 66.9 cu ft (1895 L) Weights Curb Weight Min: 3841 lbs (1742 kg) - 2.4L, 2WD Curb Weight Max: 4329 lbs (1963 kg) - 2.8L CRD, 4WD Towing Capacity: Up to 3500 lbs (1588 kg) - Varies by engine and configuration 🛡️ Safety Features Ratings NHTSA Rollover Resistance Rating: 4 out of 5 stars (typical for SUVs of this era) Active Features Anti Lock Brakes: Standard (ABS) Traction Control: Available (TCS) Electronic Stability Control: Available (ESC) Passive Features Airbags: Front airbags, Available side curtain airbags Seat Belts: 3-point front and rear seatbelts 💡 Technology Features Infotainment Infotainment System Options: Factory AM/FM stereo with CD player, optional Infinity premium audio system, optional navigation system on some higher trims. Driver Assistance Driver Assistance Features: ABS, Traction Control, and optional Electronic Stability Control. Connectivity Connectivity Features: Limited by era; typically AUX input for audio, optional SiriusXM satellite radio. 🔧 Maintenance Service Intervals Oil Change Interval Gasoline: Every 3,000-7,500 miles (dependent on...
Comprehensive, covering from basic maintenance to complete engine and transmission overhauls, including electrical system diagnostics and body repairs.
Documentation Source:
Vehicle specific, identical to that used by dealership technicians.
📊 Manual Specifications
File Format
File Format:
Print Book
Print Quality
Print Quality:
High quality, durable paper with clear diagrams and illustrations.
Binding Type
Binding Type:
Perfect bound or spiral bound (typical for service manuals for lay-flat use).
Paper Type
Paper Type:
Heavy-duty, coated paper to withstand shop environments.
⚙️ Engine Specifications
Primary Engine
Engine Option 1:
2.4L PowerTech I4 (GEMA)
Engine Option 1 Displacement:
2429 cc
Engine Option 1 Horsepower:
150 hp @ 5200 rpm (approx.)
Engine Option 1 Torque:
170 lb-ft @ 4000 rpm (approx.)
Engine Option 2:
3.7L PowerTech V6 (EGB/EGG)
Engine Option 2 Displacement:
3701 cc
Engine Option 2 Horsepower:
210 hp @ 5200 rpm (approx.)
Engine Option 2 Torque:
235 lb-ft @ 4000 rpm (approx.)
Engine Option 3:
2.8L CRD (Common Rail Diesel) Turbo Diesel (498cc X 4 cylinders = 1996 cc, but typically referred to by displacement class)
Engine Option 3 Displacement:
2.8 Liters (181 cu in)
Engine Option 3 Horsepower:
160 hp @ 3800 rpm (approx.)
Engine Option 3 Torque:
304 lb-ft @ 1750 rpm (approx.)
Fuel System
Fuel Delivery Gasoline:
Sequential Multiport Fuel Injection (MPI)
Fuel Delivery Diesel:
Common Rail Direct Injection (CRDI)
Performance
Emissions Control:
Catalytic Converter, EGR (Diesel)
🔧 Transmission
Standard
Transmission Option 1:
4-Speed Automatic (42RLE)
Optional
Transmission Option 2:
5-Speed Manual (NV1500, depending on engine/market)
Features
Transfer Case Options:
NV156 (Part-time 4WD), NV244 (Full-time 4WD with electronic range select)
Fluid Specifications
Automatic Transmission Fluid:
Chrysler ATF+4 (MS-9602)
📐 Dimensions
Exterior
Wheelbase:
104.1 inches (2644 mm)
Length:
176.1 inches (4473 mm)
Width:
72.4 inches (1839 mm)
Height:
69.9 inches (1775 mm)
Cargo
Cargo Volume Behind Rear Seat:
38.9 cu ft (1102 L)
Cargo Volume With Rear Seat Folded:
66.9 cu ft (1895 L)
Weights
Curb Weight Min:
3841 lbs (1742 kg) - 2.4L, 2WD
Curb Weight Max:
4329 lbs (1963 kg) - 2.8L CRD, 4WD
Towing Capacity:
Up to 3500 lbs (1588 kg) - Varies by engine and configuration
🛡️ Safety Features
Ratings
NHTSA Rollover Resistance Rating:
4 out of 5 stars (typical for SUVs of this era)
Active Features
Anti Lock Brakes:
Standard (ABS)
Traction Control:
Available (TCS)
Electronic Stability Control:
Available (ESC)
Passive Features
Airbags:
Front airbags, Available side curtain airbags
Seat Belts:
3-point front and rear seatbelts
💡 Technology Features
Infotainment
Infotainment System Options:
Factory AM/FM stereo with CD player, optional Infinity premium audio system, optional navigation system on some higher trims.
Driver Assistance
Driver Assistance Features:
ABS, Traction Control, and optional Electronic Stability Control.
Connectivity
Connectivity Features:
Limited by era; typically AUX input for audio, optional SiriusXM satellite radio.
🔧 Maintenance
Service Intervals
Oil Change Interval Gasoline:
Every 3,000-7,500 miles (dependent on oil type and driving conditions, refer to specific manual)
Oil Change Interval Diesel:
Every 7,500 miles (synthetic blend or synthetic)
Air Filter Replacement:
Every 15,000-30,000 miles or as needed based on conditions.
Spark Plug Replacement I4:
Every 30,000-100,000 miles (depending on plug type - copper vs. platinum/iridium)
Spark Plug Replacement V6:
Every 30,000-100,000 miles (depending on plug type - copper vs. platinum/iridium)
Coolant Flush Interval:
Every 30,000-60,000 miles or 2-5 years.
Fluid Specifications
Engine Oil Gasoline Recommendation:
SAE 5W-30, API SN or newer (check manual for exact spec)
Engine Oil Diesel Recommendation:
SAE 5W-40, API CJ-4 or newer (or specific CRD spec)
Coolant Type:
Chrysler OAT (Organic Additive Technology) Pink Coolant (MS-12106 or equivalent)
Brake Fluid Type:
DOT 3
Known Issues
Common Problems Kj Liberty:
Cracked cylinder heads (specifically 3.7L V6), radiator leaks, automatic transmission issues (especially early 42RLE), power steering pump leaks, front suspension wear (ball joints, tie rods), differential seal leaks, potential EGR valve issues (CRD).
📚 Vehicle History
Brand Heritage
Jeep Founding:
1941, historically known for military vehicles.
Model Evolution
Liberty Kj Generation 1:
2002-2007
Liberty Kj Updates 2007:
Minor styling updates, potential powertrain refinements, possibly improved interior features.
Production
Production Location:
Toledo, Ohio, USA
🏆 Awards & Recognition
Recognitions
Off Road Capability Recognition:
Jeep's core brand strength, the Liberty KJ typically received praise for its off-road prowess compared to many contemporary crossover SUVs.
Ratings
Konsumen Reports Reliability:
Varied by model year and specific component, with noted concerns on certain powertrain elements requiring diligent maintenance as detailed in the manual.
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