Segment:
Compact SUV / Off-Road Vehicle
Brand Perception:
Iconic, rugged, off-road capability, lifestyle vehicle.
Key Competitors 2016:
Toyota 4Runner, Ford Bronco (older generations), Land Rover Defender (older generations), Nissan Xterra.
Off Road Prowess:
Solid front and rear axles, 4x4 systems (Command-Trac, Rock-Trac), high ground clearance, short wheelbase (2-door), excellent approach/departure angles.
Body Styles:
2-door (Wrangler) and 4-door (Wrangler Unlimited).
Customization:
Highly popular for aftermarket modifications and personalization.
Engine Systems:
Engine mechanical (3.6L Pentastar V6), fuel system, ignition system, cooling system, lubrication system, emissions control, engine diagnostics, engine repair, engine rebuilding.
Transmission Drivetrain:
Manual transmission (NSG 370), Automatic transmission (W5A580/5G-Tronic), transfer case (NV241OR), drivelines, axles, differentials, driveshafts, U-joints, clutch, brake system, ABS, ESC.
Electrical Electronics:
Battery, charging system, starting system, lighting systems, power accessories, instrument cluster, HVAC controls, infotainment system, body control module (BCM), power distribution, wiring diagrams, diagnostics.
Chassis Suspension Steering:
Front suspension (solid axle with coil springs), rear suspension (solid axle with coil springs), steering system (power steering), wheel bearings, shocks, struts, springs, steering linkage, steering column.
Body Exterior Interior:
Body structure, body panels, doors, hood, tailgate, bumpers, glass, convertible top, interior trim, seats, HVAC system, interior components, body sealing, paint and corrosion.
Maintenance:
Scheduled maintenance, oil changes, filter replacements, fluid checks and changes, tire rotation, brake pad replacement, belt replacement, tune-ups.
Repair:
Component removal and installation, system diagnostics, troubleshooting, adjustments, component rebuilding, electrical system repair, body repair, HVAC repair.
Diagnostics:
Diagnostic Trouble Codes (DTCs), scan tool procedures, circuit testing, component testing, fault isolation strategies, symptom-based diagnostics.
Specifications:
Torque specifications for fasteners, fluid capacities and types, electrical specifications, engine data, transmission data, suspension and steering alignment specifications.
Depth:
Comprehensive: Covers basic maintenance, troubleshooting, diagnostics, repair, and overhaul procedures. Detailed wiring diagrams and component testing procedures are included.
Transmission Type:
6-Speed Manual Transmission (NSG 370)
Transmission Type:
5-Speed Automatic Transmission (W5A580 / 5G-Tronic)
Transfer Case:
NV241OR (2-speed, part-time, with 4:1 low-range ratio on Rubicon models)
Transfer Case Std:
NV241 G-HD (Command-Trac) on Sport/Sahara, NV241OR (Rock-Trac) on Rubicon.
Axles:
Dana 30 (Front), Dana 44 (Rear) - Standard. Dana 44 (Front & Rear) on Rubicon models.
NHTSA Rollover Rating:
4/5 Stars (typically, varies by configuration)
ABS:
Standard Anti-lock Braking System
Esc:
Standard Electronic Stability Control (ESC) with Hill Start Assist and Electronic Roll Mitigation.
Traction Control:
Traction control system integrated with ESC.
Airbags:
Front airbags, side curtain airbags (standard on Unlimited, optional on 2-door).
Rollover Protection:
Integrated roll bar structure.
Head Unit Options:
Uconnect systems with touchscreens (e.g., 5-inch, 6.5-inch), AM/FM/CD/MP3, Satellite Radio, USB input, Auxiliary input.
Navigation:
Optional Uconnect Navigation system.
Backup Camera:
Optional ParkView Rear Backup Camera.
Tire Pressure Monitoring:
Standard Tire Pressure Monitoring System (TPMS).
Bluetooth:
Optional Bluetooth connectivity for hands-free calling and audio streaming.
Oil Change Interval:
Every 10,000 miles or 12 months, whichever comes first (using synthetic oil).
Tire Rotation Interval:
Every 7,500 miles.
Cabin Air Filter:
Every 15,000 miles or 12 months.
Transmission Fluid Auto:
Inspect at 30,000 miles, typically replaced around 60,000-100,000 miles under normal conditions, but severe use may require sooner (refer to manual).
Transmission Fluid Manual:
Inspect at 30,000 miles, refer to manual for replacement recommendations.
Engine Oil:
SAE 5W-30 Full Synthetic (API SN certified, Chrysler MS-6395)
Coolant:
Mopar Antifreeze/Coolant (OAT - Organic Additive Technology), Orange, MS-9769.
Power Steering Fluid:
MS-5901 (ATF+4 compatible, but check manual for specific type)
Transfer Case Fluid:
NV241OR: Mopar NV241 HD Fluid or equivalent (check manual for specific part number)
Differential Fluid:
80W-90 Synthetic Hypoid Gear Lubricant (API GL-5). Specific friction modifier may be required for Limited Slip Differentials.
Common Complaints:
Wrangler JK (2016): Water leaks (especially around windshield and doors), exhaust manifold cracks (though less common on 3.6L than older engines), death wobble (suspension/steering linkage issues), premature wear on certain suspension components, occasional electronic glitches.