🏷️ Basic Information

Make:

Jeep

Model:

Wrangler

Year:

2018

Chassis Code:

JL

👋 Introduction

Vehicle Segment:

Compact/Mid-size SUV, Off-road oriented

Key Selling Points:

Off-road capability, Iconic design, Open-air experience

Primary Competitors:

Toyota 4Runner, Ford Bronco (later generations), Land Rover Defender (later generations)

Chassis Design:

Body-on-frame construction for enhanced durability and off-road articulation.

Removable Panels:

Removable doors, roof panels, and fold-down windshield for a true open-air experience.

Off Road Systems:

Available locking differentials (front and rear), electronic sway bar disconnect, advanced 4x4 systems.

📋 Manual Details

All Models:

True

All Repairs A Z:

True

Trim Levels:

Sport, Sport S, Rubicon, Sahara

Estimated Pages:

2000+

Type:

Factory Service Manual / Repair Manual

Language:

English

Format:

Digital (PDF)

📖 Manual Coverage

Engine:

3.6L Pentastar V6, 2.0L Turbo I4

Transmission:

8-speed automatic (850RE), 6-speed manual (NSG 370)

Drivetrain:

4x4 system (Command-Trac, Rock-Trac), Transfer case, Axles (Dana 30/35/44)

Suspension:

Front solid axle, Rear solid axle, Springs, Shocks, Steering

Brakes:

Front disc, Rear disc, ABS, Traction Control, Stability Control

Electrical:

Battery, Charging system, Starting system, Ignition system, Lighting, Fuses, Relays, ECU/PCM, Wiring diagrams

Body:

Chassis, Frame, Body panels, Doors, Hood, Hardtop/Softop, Interior trim, Seats

HVAC:

Heating, Ventilation, Air Conditioning system

Fuel System:

Fuel pump, Injectors, Fuel tank, Lines

Cooling System:

Radiator, Water pump, Thermostat, Fan

Exhaust System:

Catalytic converter, Muffler, Pipes

Infotainment:

Uconnect system, Audio, Navigation

Safety Systems:

Airbags, Seatbelts, ABS, ESC, Tire Pressure Monitoring System (TPMS)

Maintenance:

Oil changes, Filter replacements, Fluid checks and top-offs, Spark plug replacement, Belt inspection and replacement

Diagnostics:

Troubleshooting guide for common issues, DTC (Diagnostic Trouble Code) interpretation, System checks

Repair:

Engine component replacement (e.g., alternator, starter, water pump), Transmission removal and installation, Brake pad and rotor replacement, Suspension component replacement, Electrical component diagnosis and repair

Rebuilds:

Engine assembly, Transmission overhaul, Differential repair

Adjustments:

Wheel alignment, Clutch adjustment (manual transmission), Throttle body cleaning

Troubleshooting:

Step-by-step diagnostic procedures for various symptoms (e.g., no-start, poor performance, strange noises)

Technical Specifications:

Torque values for all fasteners, Fluid capacities and types, Electrical component specifications, Component clearances

Depth:

Comprehensive: Covers basic maintenance to full engine and transmission rebuilds.

Diagnostic Level:

Advanced: Includes detailed diagnostic trees and symptom-based troubleshooting.

Wiring Diagrams:

Detailed, system-specific wiring schematics included.

📊 Manual Specifications

File Type:

PDF

Searchable Text:

Yes

Printable:

Yes

Quality:

High-resolution scans of original factory documentation

Binding:

N/A (Digital Format)

Paper:

N/A (Digital Format)

⚙️ Engine Specifications

Engine 1 Name:

Pentastar V6

Engine 1 Displacement:

3.6 Liters (3604 cc)

Engine 1 Configuration:

60-degree V6, SOHC, 24 valves

Engine 1 Horsepower:

285 hp @ 6400 rpm

Engine 1 Torque:

260 lb-ft @ 4800 rpm

Engine 2 Name:

EcoDiesel V6 (optional later in model year for JL, but not primary for 2018 launch)

Engine 2 Displacement:

3.0 Liters (2987 cc) - Diesel

Engine 2 Horsepower:

260 hp @ 3600 rpm

Engine 2 Torque:

442 lb-ft @ 1400-2800 rpm

Engine 3 Name:

Turbo I4 (available later in model year)

Engine 3 Displacement:

2.0 Liters (1995 cc)

Engine 3 Horsepower:

270 hp @ 5250 rpm

Engine 3 Torque:

295 lb-ft @ 3000 rpm

Fuel Delivery:

Multi-point Fuel Injection (MPI) for V6, Direct Injection (DI) for Turbo I4.

Fuel Type:

Unleaded gasoline (87 octane recommended for V6, premium may be recommended for Turbo I4)

Ignition Type:

Distributorless electronic ignition with coil-on-plug.

🔧 Transmission

Transmission Type Standard:

6-speed manual (NSG 370)

Transmission Type Optional:

8-speed automatic (850RE)

Clutch Type:

Hydraulic, single dry plate (manual transmission)

Transfer Case Options:

Command-Trac NV242 (2-speed, part-time 4WD), Rock-Trac NV241OR (2-speed, part-time 4WD with 4:1 low range and electronic disconnect for sway bar on Rubicon)

Automatic Transmission Fluid:

Mopar ATF+4 (or equivalent specification)

Manual Transmission Fluid:

Mopar Manual Transmission Lubricant (or equivalent specification, e.g., SAE 75W-90)

📐 Dimensions

Wheelbase 2Door:

96.9 inches (2461 mm)

Wheelbase 4Door:

118.4 inches (3007 mm)

Length 2Door:

166.8 inches (4237 mm)

Length 4Door:

184.8 inches (4694 mm)

Width Without Mirrors:

73.9 inches (1877 mm)

Height With Hardtop:

73.7 inches (1872 mm)

Cargo Volume Behind Rear Seat 2Door:

12.4 cu ft (351 liters)

Cargo Volume Behind Rear Seat 4Door:

31.7 cu ft (898 liters)

Max Cargo Volume 4Door:

72.4 cu ft (2050 liters)

Curb Weight 2Door Manual:

Approx. 4,100 lbs (1860 kg)

Curb Weight 4Door Automatic:

Approx. 4,600 lbs (2087 kg)

Towing Capacity:

Up to 3,500 lbs (1588 kg)

Payload Capacity:

Approx. 900-1000 lbs (408-454 kg)

Ground Clearance:

Up to 10.9 inches (277 mm) on Rubicon models.

Approach Angle:

Up to 44 degrees (Rubicon)

Departure Angle:

Up to 37 degrees (Rubicon)

Breakover Angle:

Up to 22.6 degrees (Rubicon)

🛡️ Safety Features

NHTSA Overall Rating 2Door:

4-Star (may vary by specific configuration and test year)

NHTSA Overall Rating 4Door:

4-Star (may vary by specific configuration and test year)

Electronic Stability Control:

Standard, incorporates traction control and rollover mitigation.

Anti-Lock Braking System:

Standard, 4-wheel disc brakes.

Tire Pressure Monitoring System:

Standard, displays individual tire pressures.

Parkview Rear Back Up Camera:

Standard on all models.

Blind Spot Monitoring:

Optional

Rear Cross Path Detection:

Optional

Airbags:

Front airbags, side curtain airbags (optional on 2-door, standard on 4-door).

Seatbelts:

3-point seat belts with pretensioners.

Body Construction:

High-strength steel frame and body structure.

💡 Technology Features

Infotainment System:

Uconnect systems (e.g., Uconnect 4, Uconnect 4C NAV) with touchscreen displays (5-inch, 7-inch, or 8.4-inch).

Connectivity Options:

Apple CarPlay, Android Auto, Bluetooth connectivity, USB ports, Auxiliary input.

Navigation:

Optional integrated navigation system available on higher trims or with specific packages.

Adaptive Cruise Control:

Optional

Forward Collision Warning:

Optional

Park Assist:

Optional rear park assist available.

Wi Fi Hotspot:

Optional (SiriusXM Guardian connected services required).

Keyless Entry Start:

Optional Keyless Enter 'n Go.

🔧 Maintenance

Oil Change Interval:

Every 10,000 miles or 12 months, whichever comes first (under normal driving conditions). Severe conditions may require shorter intervals.

Tire Rotation:

Every 6,000 miles or as needed based on wear.

Engine Air Filter Replacement:

Every 30,000 miles or as needed based on inspection.

Cabin Air Filter Replacement:

Every 20,000 miles or as needed based on inspection.

Spark Plug Replacement V6:

Every 100,000 miles (Iridium plugs).

Transmission Fluid Change Automatic:

Check condition at 60,000 miles, replace as needed or per severe service schedule.

Transfer Case Fluid Change:

Inspect at 60,000 miles, replace as needed. Check manual for specific intervals.

Engine Oil Specification:

SAE 0W-20 Synthetic (MS-6395 compliant)

Coolant Specification:

Mopar OAT (Organic Additive Technology) Antifreeze/Coolant, HOAT, or equivalent meeting MS-9769 specification (typically purple or pink).

Brake Fluid Specification:

DOT 3 or DOT 4

Common Complaints Early Jl:

Some early JL models reported minor issues with infotainment system glitches, steering wheel shimmy at specific speeds, and occasional water leaks (often related to seal fitment for removable panels). These were largely addressed through updates and service bulletins.

Off Road Wear Considerations:

Aggressive off-roading can accelerate wear on suspension components, drivetrain, and tires. The manual provides guidance on inspection and maintenance specific to these conditions.

📚 Vehicle History

Jeep Legacy:

Jeep's heritage traces back to World War II military vehicles, establishing a reputation for ruggedness and off-road prowess.

Wrangler Lineage:

Direct descendant of the Willys MB, evolving through the CJ series (CJ-5, CJ-7, CJ-8) and YJ, TJ, JK generations before the JL.

Jl Generation Introduction:

The JL generation represents a significant redesign from the JK, incorporating more modern technology, improved aerodynamics, and expanded powertrain options while retaining core off-road capabilities.

Manufacturing Location:

Toledo, Ohio, USA

🏆 Awards & Recognition

Motor Trend SUV Of The Year 2019:

The Jeep Wrangler JL was awarded MotorTrend's SUV of the Year for 2019, highlighting its design, engineering, safety, and efficiency.

North American Truck Of The Year 2019:

The Jeep Wrangler was also a finalist for North American Truck of the Year for 2019.

Trail Rated Badge:

All Wrangler models are Trail Rated, indicating capability in traction, water wading, maneuverability, articulation, and ground clearance, as tested by Jeep.

Epa Fuel Economy 3.6L Auto:

17 MPG City / 23 MPG Highway (2-door), 17 MPG City / 23 MPG Highway (4-door).

Epa Fuel Economy 2.0L Turbo Auto:

22 MPG City / 24 MPG Highway (4-door).