Target Audience:
Jeep Wrangler JK owners seeking to perform their own maintenance and repairs to save money.
Value Proposition:
Cost savings on repair and maintenance by providing professional-level information.
Advantage Over Other Manuals:
Highly detailed, printable diagrams, full A-Z coverage, and direct access to professional technician information.
Ease Of Use:
Designed for users without extensive technical knowledge; described as 'very easy to use'.
Customer Support:
Technical support available via email for users who encounter difficulties.
Delivery Method:
Instant download link via email upon payment.
Usage Restrictions:
Unlimited use; can be used for as long as and as many times as desired.
Engine Service:
Diagnosis, repair, rebuild, tuning, cooling system, lubrication system, fuel system, ignition system, emissions control.
Transmission Service:
Manual and automatic transmission diagnosis, repair, rebuild, fluid specifications, shift linkage adjustments.
Drivetrain Service:
Transfer case operation, differentials (front and rear), axle shafts, U-joints, CV joints, driveshafts.
Suspension Service:
Front and rear suspension components, coil springs, shock absorbers, control arms, sway bars, steering knuckles, bushings.
Steering Service:
Power steering system, steering gear/rack, tie rods, steering column, alignment procedures.
Brake Service:
Disc brake system (front and rear), parking brake, ABS system diagnosis and repair, hydraulic system components.
Electrical System Service:
Battery, charging system (alternator), starting system (starter motor), ignition system, lighting system, fuses, relays, wiring diagrams, body control module (BCM) related diagnostics.
Body And Chassis Service:
Body panel removal and installation, interior trim, doors, windows, seats, convertible top/hardtop service, frame inspection and repair.
HVAC Service:
Heating, Ventilation, and Air Conditioning system diagnosis and repair, refrigerant handling, component replacement.
Diagnostic Procedures:
OBD-II diagnostics, trouble code (DTC) interpretation, scan tool usage, component testing.
Routine Maintenance:
Oil changes, fluid checks and top-offs, filter replacements, tire rotation, brake inspections.
Troubleshooting Guides:
System-specific troubleshooting trees and flowcharts for diagnosing faults.
Component Replacement:
Step-by-step instructions for replacing all major and minor vehicle components.
Rebuild Procedures:
Detailed instructions for overhauling major components like engines and transmissions.
Adjustment Procedures:
Precise steps for adjusting various systems, such as clutch, parking brake, and suspension alignment.
Wiring Diagrams:
Comprehensive electrical schematics for all vehicle systems.
Torque Specifications:
Exact torque values for critical fasteners across all repair procedures.
Depth Of Coverage:
A-Z (All repairs from basic maintenance to complete rebuilds and diagnostics).
Diagnostic Information:
Professional-level diagnostic procedures and access to information used by dealership technicians.
Printable Diagrams:
Includes highly detailed, printable diagrams for easy reference during repairs.
Primary File Format:
ISO (containing searchable and printable PDFs)
Operating Systems:
Windows 95, 98, 98SE, 2000, NT, ME, XP, Vista, Windows 7, Windows 8
PDF Reader Requirement:
Adobe Acrobat Reader (or compatible)
Printability:
High quality, printable pages on demand.
Digital Format Advantage:
No physical wear and tear; print fresh pages as needed.
Digital Medium:
N/A (Digital download)
Engine Family:
Chrysler/Jeep Pentastar V6 and other potential engines for the era (e.g., 3.8L V6 for earlier JK models).
Engine 3 8L V6 Specs:
Displacement: 3.8L (3778cc), Power: Approx. 202 hp @ 5000 rpm, Torque: Approx. 237 lb-ft @ 4000 rpm.
Engine 3 6L Pentastar V6 Specs:
Displacement: 3.6L (3604cc), Power: Approx. 285 hp @ 6400 rpm, Torque: Approx. 260 lb-ft @ 4800 rpm (introduced in 2012, but earlier models may have had different V6 or inline-4 options).
Fuel Delivery:
Electronic Fuel Injection (EFI), Multi-port Fuel Injection (MPFI).
Ignition System:
Distributorless Ignition System (DIS) with coil-on-plug technology.
Emissions Control:
Catalytic converters, Oxygen sensors (O2 sensors), EGR system (where applicable).
Standard Transmission Type:
6-speed manual transmission (NV3550 or NSG370, depending on year/engine).
Optional Transmission Type:
4-speed automatic transmission (42RLE).
Transfer Case:
Command-Trac NV241G or Rock-Trac NV241OR (Part-time, 2-speed transfer case with 2.72:1 low range for Command-Trac; 4:1 low range for Rock-Trac).
Axle Ratios:
Common ratios include 3.21, 3.73, 4.10, and 4.56 depending on engine, transmission, and trim level.
Wheelbase 2 Door:
Approx. 95.4 inches (2423 mm)
Wheelbase 4 Door Unlimited:
Approx. 116.0 inches (2946 mm)
Ground Clearance:
Varies by model and tire size, but typically 9.7 to 10.1 inches (246 to 257 mm).
Curb Weight 2 Door:
Approx. 3,900 - 4,100 lbs (1769 - 1860 kg)
Curb Weight 4 Door Unlimited:
Approx. 4,300 - 4,500 lbs (1950 - 2041 kg)
NHTSA Crash Test Ratings:
Varies by year, but generally received good ratings for side impact and frontal impact. Frontal crash test ratings were often 4 stars.
Electronic Stability Control:
Standard Electronic Stability Control (ESC) with Roll Mitigation.
Antilock Brakes:
Standard Anti-lock Braking System (ABS).
Airbags:
Front driver and passenger airbags, optional side curtain airbags (depending on trim and year).
Infotainment Systems Available:
Uconnect infotainment system with touchscreens, navigation (optional), satellite radio, CD player, auxiliary input, and Bluetooth connectivity.
Driver Assistance Features:
Standard ABS, ESC, Traction Control. Advanced features like adaptive cruise control or lane departure warning were not common on these models.
Connectivity Options:
Auxiliary audio input jack, USB port (on some models/trims), Bluetooth for hands-free calling and audio streaming.
Oil Change Interval:
Typically every 5,000-7,500 miles (8,000-12,000 km) or 6 months, whichever comes first, depending on driving conditions and oil type.
Engine Air Filter Replacement:
Recommended every 15,000-30,000 miles (24,000-48,000 km) or as needed based on inspection, especially in dusty environments.
Cabin Air Filter Replacement:
Recommended every 15,000-20,000 miles (24,000-32,000 km) or annually.
Spark Plug Replacement:
For 3.8L V6: approx. 100,000 miles. For 3.6L Pentastar: approx. 100,000 miles (check specific manual for exact interval).
Engine Oil Specification:
SAE 5W-20 (API Certified) for both 3.8L and 3.6L engines. Consult manual for specific Mopar or Chrysler specification numbers.
Transmission Fluid Manual:
MS-9224 / ATF+4 or equivalent for manual transmissions (check specific fluid type for the gearbox).
Transmission Fluid Automatic:
Chrysler ATF+4 (MS-9602) for the 42RLE automatic transmission.
Transfer Case Fluid:
MS-9602 (ATF+4) or specific transfer case fluid as per manual.
Differential Fluid:
Hypoid gear lubricant, SAE 80W-90 (API GL-5) for front and rear differentials. Consider synthetic for better performance. Limited-slip differentials may require friction modifier additive.
Common Jk Issues:
Death wobble (steering/suspension instability), oil filter housing leaks (especially on 3.6L Pentastar), radiator leaks, potential rear main seal leaks, exhaust manifold cracks (3.6L Pentastar), steering box wear.
