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Introduction
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Market Position
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Vehicle Segment:
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Compact SUV / Off-road Vehicle
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Target Audience:
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Enthusiasts seeking off-road capability, outdoor adventurers, individuals valuing ruggedness and open-air driving.
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Competitive Analysis
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Key Competitors 2009:
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Toyota FJ Cruiser, Nissan Xterra, Hummer H3, Land Rover Defender (in some markets).
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Key Features
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Iconic Design:
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Jeep's signature seven-slot grille, round headlights, removable doors, and fold-down windshield contribute to its iconic and utilitarian aesthetic.
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Off Road Capability:
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Renowned for its robust 4x4 systems (Command-Trac and optional Rock-Trac), solid axles, and high ground clearance, making it a leader in off-road performance.
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Versatility:
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Convertible options (soft top, hard top) and removable body panels offer a unique open-air driving experience.
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Manual Coverage
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Systems Covered
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Powertrain:
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Engine operation, cooling system, fuel system, exhaust system, ignition system.
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Drivetrain:
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Transmission operation (manual and automatic), transfer case, axles, drivelines, four-wheel drive system.
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Chassis:
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Suspension system (front and rear), steering system, braking system (including ABS).
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Electrical:
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Battery, charging system, starting system, lighting system, instrument panel and gauges, fuses and relays, power windows, power locks, interior and exterior lighting.
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Body And Interior:
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Seating adjustments, seat belts, airbags, interior controls, climate control system, infotainment system, convertible top operation (if applicable), doors, windows, mirrors, security system.
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Procedures Included
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Operation:
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Starting and stopping the engine, driving instructions, engaging four-wheel drive, using accessories, parking brake operation, convertible top operation.
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Maintenance:
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Recommended service intervals, fluid checks and top-offs, tire pressure checks, wiper blade replacement, bulb replacement, air filter inspection.
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Troubleshooting:
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Understanding warning lights and messages, basic diagnostic steps for common issues, recommendations for when to seek professional service.
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Safety:
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Airbag system information, seat belt usage, child restraint systems, safe driving practices, emergency procedures.
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Technical Depth
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Depth Level:
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Owner-focused, covering operation, basic maintenance, and safety. Does not include in-depth repair procedures or diagnostic codes typically found in service manuals.
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Dimensions
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Exterior
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Wheelbase 2 Door:
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95.4 inches (2423 mm)
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Wheelbase 4 Door Jku:
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116.0 inches (2946 mm)
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Length 2 Door:
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160.9 inches (4087 mm)
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Length 4 Door Jku:
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180.6 inches (4587 mm)
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Width Without Doors:
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73.9 inches (1877 mm)
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Height 2 Door:
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70.1 inches (1781 mm)
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Height 4 Door Jku:
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70.5 inches (1791 mm)
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Cargo
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Cargo Volume 2 Door Behind Rear Seat:
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12.4 cubic feet (0.35 cubic meters)
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Cargo Volume 2 Door Max:
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56.5 cubic feet (1.60 cubic meters)
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Cargo Volume 4 Door Jku Behind Rear Seat:
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31.5 cubic feet (0.89 cubic meters)
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Cargo Volume 4 Door Jku Max:
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83.3 cubic feet (2.36 cubic meters)
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Weights
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Curb Weight 2 Door Approx:
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4,000 lbs (1814 kg)
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Curb Weight 4 Door Jku Approx:
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4,400 lbs (1996 kg)
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Towing Capacity:
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Up to 2,000 lbs (907 kg) (2-door), Up to 3,500 lbs (1588 kg) (4-door JKU with optional tow package)
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Safety Features
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Ratings
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NHTSA Rollover Resistance 2 Door:
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3-Star
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NHTSA Rollover Resistance 4 Door:
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4-Star
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IIHS Frontal Offset Score 2009:
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Good
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Active Features
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ABS:
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Standard Anti-lock Braking System (ABS)
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Traction Control:
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Standard Electronic Roll Mitigation (ERM) and Electronic Stability Control (ESC)
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Brake Assist:
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Standard
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Passive Features
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Airbags:
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Standard front airbags. Optional side curtain airbags (late availability/certain trims).
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Seat Belts:
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3-point seat belts in all seating positions, front seat belt pretensioners.
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Child Restraint:
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LATCH (Lower Anchors and Tethers for CHildren) system for rear seats.
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Maintenance
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Service Intervals
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Oil Change Interval:
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Every 6,000 miles (9,656 km) or 6 months, whichever comes first.
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Tire Rotation Interval:
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Every 6,000 miles (9,656 km)
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Engine Air Filter Inspection:
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Inspect every 6,000 miles (9,656 km), replace as needed (typically every 15,000-30,000 miles).
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Cabin Air Filter Inspection:
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Inspect every 15,000 miles (24,140 km), replace as needed.
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Transmission Fluid Change Manual:
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Refer to manual for specific intervals, typically around 100,000 miles for severe use.
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Transmission Fluid Change Automatic:
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Refer to manual for specific intervals, typically around 60,000-100,000 miles for severe use.
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Fluid Specifications
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Engine Oil Type:
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SAE 5W-20 Synthetic Motor Oil
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Engine Oil Capacity:
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5.0 US quarts (4.7 Liters) with filter change.
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Coolant Type:
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Mopar Antifreeze/Coolant (HOAT - Hybrid Organic Additive Technology) - Pink
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Coolant Capacity:
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Approx. 10.0 US quarts (9.5 Liters)
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Brake Fluid Type:
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DOT 3
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Power Steering Fluid Type:
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Mopar Power Steering Fluid or equivalent (MS-5901)
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Known Issues
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Common Complaints 2009:
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Reports of death wobble (steering shimmy at certain speeds, often tire/wheel balance or suspension related), potential leaks (especially with soft tops or removable doors), some electrical gremlins, and interior noise/rattles.
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Clutch Wear Manual:
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Some owners report clutch wear issues, particularly with aggressive off-road use or heavy towing.
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Vehicle History
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Brand Heritage
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Jeep Legacy:
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Jeep's lineage traces back to World War II military vehicles, establishing a reputation for ruggedness, off-road capability, and durability.
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Model Evolution
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Jk Generation Introduction:
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The 2007 model year marked the introduction of the third generation Jeep Wrangler, codenamed JK. This generation was significantly redesigned with a wider track, longer wheelbase, and a more modern interior compared to its predecessor (TJ).
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2009 Updates:
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For 2009, the Wrangler received minor updates including an optional trailer-tow package and some powertrain refinements. The 4-door Unlimited model (JKU) continued to gain popularity for its increased utility.
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Production
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Manufacturing Location:
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Toledo, Ohio, USA
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