Engine rebuilding, transmission repair, clutch replacement, brake caliper service
Diagnostics:
Step-by-step diagnostic procedures for all major systems
Specifications And Data:
Torque settings, fluid capacities, technical data tables
Wiring Diagrams:
Detailed electrical circuit diagrams
Illustrations:
Detailed step-by-step diagrams, exploded views, spare parts illustrations
Technical Depth
Depth:
Complete Workshop Level - From basic maintenance to full engine and gearbox rebuilds
📊 Manual Specifications
File Format
Type:
PDF (Portable Document Format)
Searchability:
Typically searchable text-based PDF for easy keyword searching
Print Quality
Printability:
All pages are printable
Binding Type
Digital Format:
N/A (Digital product)
Paper Type
Digital Format:
N/A (Digital product)
⚙️ Engine Specifications
Primary Engine
Engine Type:
Inline 6-cylinder, Overhead Valve (OHV)
Engine Displacement:
4.0L (242 cubic inches)
Engine Code:
ERH (for 4.0L)
Performance
Horsepower:
Approximately 190 hp @ 4600 rpm (subject to minor variations)
Torque:
Approximately 235 lb-ft @ 3200 rpm (subject to minor variations)
Fuel System
Fuel Delivery:
Sequential Multi-Port Fuel Injection (MPI)
Fuel Type:
Unleaded Gasoline (87 octane recommended)
Lubrication
Oil Capacity:
6 US quarts (5.7 Liters) with filter (refer to manual for exact spec)
Recommended Oil Viscosity:
SAE 10W-30 (check owner's manual for seasonal variations)
Cooling System
Coolant Capacity:
Approximately 10.0 US quarts (9.5 Liters) (refer to manual for exact spec)
Coolant Type:
Ethylene Glycol based antifreeze (e.g., Mopar Antifreeze/Coolant 10 Year/100,000 Mile)
🔧 Transmission
Standard
Transmission Type:
Manual Transmission: NV3550 5-speed
Optional
Transmission Type:
Automatic Transmission: 42RLE 4-speed
Features
Transfer Case:
NV231 Command-Trac (part-time, chain-driven, 2.72:1 low range ratio)
Fluid Specifications
Manual Transmission Fluid:
API GL-3 or GL-4, SAE 75W-90 (refer to manual for specific part numbers and capacity)
Automatic Transmission Fluid:
ATF+4 (Chrysler Material Standard MS-9602)
📐 Dimensions
Exterior
Wheelbase:
93.4 inches (2372 mm)
Length:
151.4 inches (3845 mm)
Width:
66.5 inches (1689 mm)
Height:
73.1 inches (1857 mm) (with soft top)
Weights
Curb Weight:
Approx. 3,300 - 3,700 lbs (1497 - 1678 kg) depending on configuration
Wheels And Tires
Standard Tire Size:
215/75R15
Optional Tire Size:
30x9.50R15
Bolt Pattern:
5 x 4.5 inches (5 x 114.3 mm)
🛡️ Safety Features
Ratings
NHTSA Rollover Resistance:
3-star (indicative, may vary slightly by specific test year)
Active Features
ABS:
Available/Standard depending on trim (4-wheel disc brakes often included ABS)
Passive Features
Airbags:
Driver and Passenger Frontal Airbags
Roll Cage:
Integrated roll bar structure
💡 Technology Features
Infotainment
Audio System:
Basic AM/FM/CD or Cassette stereo systems, optional premium sound.
Driver Assistance
Cruise Control:
Available on most trims.
Connectivity
No Advanced Connectivity:
No integrated Bluetooth, navigation, or smartphone integration typical of modern vehicles.
🔧 Maintenance
Service Intervals
Oil Change Interval:
Every 5,000 - 7,500 miles or 6 months (whichever comes first), or as per manual recommendations.
Tire Rotation:
Every 5,000 - 7,500 miles
Spark Plug Replacement:
Approximately every 100,000 miles (refer to manual for specific type and torque).
Fluid Specifications
Brake Fluid:
DOT 3 or DOT 4 (refer to manual for exact specification and capacity)
Power Steering Fluid:
Mopar Power Steering Fluid or equivalent (refer to manual for capacity)
Known Issues
Common Problems:
Common issues can include rust (especially on frame and rocker panels), rear main seal leaks, and sway bar disconnect issues. The manual will guide on diagnosis and repair.
📚 Vehicle History
Brand Heritage
Jeep Legacy:
Jeep's long history of rugged, off-road capable vehicles dating back to WWII.
Model Evolution
Tj Generation Introduction:
The TJ Wrangler was introduced for the 1997 model year, replacing the YJ generation. The 2001 model is part of this significant redesign featuring coil springs and a more modern chassis.
Production
Manufacturing Plant:
Toledo North Assembly, Toledo, Ohio, USA
🏆 Awards & Recognition
Recognitions
Off Road Capability:
Consistently recognized for its exceptional off-road prowess and iconic styling.