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Jeep wrangler cherokee liberty 2007 Factory Service Repair Manual

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🏷️ Basic Information Identification Make: Jeep Model: Wrangler, Cherokee, Liberty Year: 2007 Platform Codes: JK (Wrangler), KJ (Liberty), MK (Liberty), WK (Cherokee - US market designation for Grand Cherokee), XK...
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SKU: 261664
Jeep wrangler cherokee liberty 2007 Factory Service Repair Manual
🏷️ Basic Information
Identification
Make:
Jeep
Model:
Wrangler, Cherokee, Liberty
Year:
2007
Platform Codes:
JK (Wrangler), KJ (Liberty), MK (Liberty), WK (Cherokee - US market designation for Grand Cherokee), XK (Commander - often associated with Liberty platform in some contexts, though technically distinct)
👋 Introduction
Market Position
Market Position:
Essential diagnostic and repair resource for owners and independent repair shops seeking to maintain and repair Jeep vehicles of this era. Positions itself as an economical alternative to dealership service.
Competitive Analysis
Competitive Analysis:
Competes with other aftermarket repair manuals (Haynes, Chilton) by offering official factory procedures, which typically provide greater detail, accuracy, and coverage. The digital format offers convenience over physical books.
Key Features
Key Features:
Official factory data, extensive coverage across multiple popular Jeep models, detailed procedures, comprehensive wiring diagrams, focus on cost savings for vehicle maintenance.
📋 Manual Details
Coverage Areas
Models Covered:
Jeep Wrangler (JK generation), Jeep Liberty (KJ/MK generations), Jeep Cherokee (WJ/WK generations - based on provided codes, manual likely covers JK Wrangler and KJ/MK Liberty predominantly, with WK Cherokee potentially included for overlap in service procedures or related systems depending on the exact factory release scope)
Page Count
Estimated Page Count:
Likely 1500-3000+ pages (typical for comprehensive factory service manuals covering multiple models/generations)
Manual Type
Manual Type:
Factory Service Manual / Workshop Manual
Language
Language:
English
Format
Format:
Digital Download (PDF compatible)
📖 Manual Coverage
Systems Covered
Engine Mechanical:
Engine assembly, cylinder head, cylinder block, pistons, crankshaft, camshafts, timing systems, valve train, oil pump, oil filter, cooling system (radiator, water pump, thermostat, fan), fuel system (fuel pump, injectors, lines, tank), exhaust system, emissions control systems, turbocharger/supercharger (if applicable)
Engine Control:
Engine Control Module (ECM) diagnostics, SFI (Sequential Fuel Injection) system, sensors (knock sensor, camshaft position sensor, throttle position sensor, mass airflow sensor, O2 sensors, etc.), actuators, wiring diagrams, diagnostic trouble codes (DTCs)
Transmission Drivetrain:
Manual Transaxle (MT) and Automatic Transaxle (AT) systems, torque converter, clutch system (master/slave cylinders, clutch pedal), transmission control cables, shift lock system, drive shafts, differentials, axle hubs, seals
Brakes:
Brake system diagnostics, master cylinder, brake booster, brake pedal, brake lines, calipers, pads, rotors, parking brake system, ABS (Anti-lock Braking System) components, skid control sensors, brake actuator
Steering Suspension:
Steering system, power steering pump/rack/box, steering column, steering wheel, front suspension (arms, stabilizer bar, shocks, springs, ball joints), rear suspension (shocks, springs, axle beams), wheel alignment (front and rear), tires and wheels, hubs
Electrical Lighting:
Charging system (generator/alternator, battery, starter), ignition system, lighting system (headlamps, tail lamps, marker lamps, license plate lamps, interior lamps), horn, wipers and washer system, power windows, power mirrors, power door locks, audio/visual system, antenna, instrument panel, combination meter, combination switches
Body Interior Exterior:
Body repair, front bumper, rear bumper, fender panels, mudguards, hood, doors (front, rear, back door), door glass, weatherstripping, sunroof, interior trim, seats, seat belts, airbags (side, front, passenger, curtain), instrument panel, center cluster module, steering column, rear view mirrors
Climate Control:
Air conditioning system, A/C amplifier, compressor, condenser, evaporator, heater radiator, blower assembly, air conditioning refrigerant, HVAC controls
Procedures Included
Maintenance:
Routine maintenance procedures, oil changes, filter replacements, fluid checks and top-offs, belt inspections and replacements, brake pad/rotor replacement, tire rotation, spark plug replacement
Diagnostics Troubleshooting:
Diagnostic strategies, troubleshooting charts for common symptoms, interpreting diagnostic trouble codes (DTCs), checking electrical circuits, testing sensors and actuators
Repair Replacement:
Step-by-step repair and replacement procedures for all major vehicle systems, including engine components, transmission, suspension, brakes, steering, electrical systems, and body panels
Wiring Diagrams:
Comprehensive wiring diagrams for all electrical systems, including power distribution, grounds, sensor circuits, actuator circuits, and control modules
Special Tools:
Identification and usage instructions for special tools required for specific repair procedures
Technical Depth
Technical Depth:
Comprehensive (covers everything from basic maintenance to complete component overhaul and diagnostics)
📊 Manual Specifications
File Format
File Format:
PDF (Portable Document Format) - Searchable text, printable pages
Print Quality
Print Quality:
High-resolution images, clear diagrams, legible text
Binding Type
Binding Type:
Not Applicable (Digital)
Paper Type
Paper Type:
Not Applicable (Digital)
⚙️ Engine Specifications
Primary Engine Jk Wrangler
Engine Description:
3.8L (3778cc) V6 OHV, PowerTech
Horsepower:
202 hp @ 5200 rpm
Torque:
237 lb-ft @ 4000 rpm
Primary Engine Kj Liberty
Engine Description:
3.7L (3701cc) V6 SOHC, PowerTech
Horsepower:
210 hp @ 5200 rpm
Torque:
235 lb-ft @ 4000 rpm
Fuel System
Fuel System Type:
Sequential Multi-Port Fuel Injection (SMPI)
Fuel Type:
Unleaded gasoline
Cooling System
Coolant Type:
Mopar OAT (Orange) Antifreeze/Coolant, 5-Year/100,000-Mile Formula (or equivalent HOAT meeting Chrysler MS-9769 spec)
🔧 Transmission
Jk Wrangler Standard
Transmission Type:
6-Speed Manual (NSG 370)
Jk Wrangler Optional
Transmission Type:
5-Speed Automatic (5-45RFE/NAG1 depending on engine variant)
Kj Liberty Standard
Transmission Type:
4-Speed Automatic (42RLE)
Kj Liberty Optional
Transmission Type:
6-Speed Manual (NV3550)
Features
Transfer Case:
Command-Trac NV241G (JK), Selec-Trac NV242 (KJ Liberty - optional), Command-Trac NV241 (KJ Liberty - standard)
Fluid Specifications
Automatic Transmission Fluid:
Mopar ATF+4 (MS-9602) for 5-45RFE and 42RLE. NAG1 may require a specific fluid (e.g., Shell 134 or equivalent).
Manual Transmission Fluid:
NSG 370 (JK): SAE 75W-80 Synthetic Gear Lubricant (API GL-3/GL-4). NV3550 (KJ): SAE 75W-90 Synthetic Gear Lubricant (API GL-5).
📐 Dimensions
Jk Wrangler Exterior
Wheelbase:
95.4 inches (2-door), 116.0 inches (4-door Unlimited)
Length:
160.9 inches (2-door), 178.4 inches (4-door Unlimited)
Kj Liberty Exterior
Wheelbase:
104.1 inches
Length:
176.9 inches
Weights
Curb Weight Jk 2Dr:
Approx. 3,915 lbs
Curb Weight Jk 4Dr Unlimited:
Approx. 4,260 lbs
Curb Weight Kj Liberty:
Approx. 4,050 lbs
🛡️ Safety Features
Ratings
NHTSA Front Crash Jk 2Dr:
4 Stars (Driver and Passenger)
NHTSA Side Impact Jk 2Dr:
5 Stars (Front and Rear Passengers)
IIHS Roof Strength Jk:
Good
Active Features
Active Features List:
Anti-lock Braking System (ABS), Traction Control System (TCS), Electronic Stability Control (ESC - later models), Brake Assist
Passive Features
Passive Features List:
Front advanced multi-stage airbags, front side-impact airbags (optional on some trims), seat belt pretensioners, Supplemental Seat Airbag System (including side curtain airbags on some models)
💡 Technology Features
Infotainment Jk
Infotainment Features Jk:
Base models may have AM/FM radio with CD player. Optional upgrades include satellite radio, Infinity sound systems, navigation systems, and Uconnect hands-free communication systems.
Infotainment Kj
Infotainment Features Kj:
Similar to JK, offering AM/FM/CD with available satellite radio and premium audio systems. Navigation was a less common option.
Driver Assistance Jk
Driver Assistance Features Jk:
Limited by modern standards. Primarily includes ABS and Traction Control. Electronic Stability Control became more standard in later years but may be optional or absent on early 2007 models.
Driver Assistance Kj
Driver Assistance Features Kj:
Similar to JK, featuring ABS and Traction Control. ESC was also introduced but not universally equipped.
Connectivity
Connectivity Features:
Uconnect system (if equipped) offered Bluetooth for hands-free calling and voice commands. Aux input for audio devices was common.
🔧 Maintenance
Service Intervals Oil
Oil Change Interval:
Every 3,000-6,000 miles or 6 months, whichever comes first, depending on driving conditions (refer to specific manual for exact intervals based on oil type and driving habits).
Service Intervals Filters
Filter Replacement Intervals:
Engine Oil Filter: Replace with oil change. Air Filter: Inspect every 15,000 miles, replace as needed (approx. 30,000 miles). Fuel Filter: Typically integrated with fuel pump module, not a separate replacement item.
Service Intervals Spark Plugs
Spark Plug Replacement Interval:
3.8L V6: Approx. 100,000 miles (if equipped with original iridium plugs). 3.7L V6: Approx. 100,000 miles (if equipped with original iridium plugs).
Fluid Specifications
Engine Oil Specification:
SAE 5W-20 (preferred for fuel economy) or SAE 5W-30. Check owner's manual for specific engine recommendations. API certified oil meeting Chrysler MS-6395.
Brake Fluid Specification:
DOT 3 or DOT 4 brake fluid.
Power Steering Fluid:
Mopar Power Steering Fluid or equivalent meeting Chrysler MS-10849.
Known Issues
Common Issues Jk Wrangler 3.8L:
Valve cover gasket leaks, intake manifold gasket leaks, oil filter housing leaks, potential for distributorless ignition system component failures (e.g., coil-on-plug).
Common Issues General:
Wiper motor failures, HVAC blower motor resistor issues, interior trim creaks and rattles, rust on body panels (especially in corrosive environments), differential seal leaks.
Known Issues Kj Liberty 3.7L
Common Issues Kj Liberty 3.7L:
Oil cooler line leaks, oil pan gasket leaks, intake manifold gasket leaks, occasional cooling system leaks (radiator, hoses), potential for transmission solenoid issues.
📚 Vehicle History
Brand Heritage
Brand Heritage:
Jeep has a long-standing reputation for off-road capability and ruggedness, originating from its military roots in WWII.
Model Evolution Wrangler
Model Evolution Wrangler:
The 2007 model year marks the introduction of the JK generation, a significant redesign from the TJ generation, featuring a longer wheelbase and improved on-road manners while retaining off-road prowess.
Model Evolution Liberty
Model Evolution Liberty:
The 2007 Liberty is part of the KJ generation (which ran from 2002-2007). A mid-cycle refresh occurred for 2005, updating styling and powertrain options. The manual covers the final year of the KJ and the beginning of the MK generation (which replaced the KJ in 2008).
Production
Production Locations:
Toledo, Ohio, USA
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