Segment:
Compact SUV/Off-Road Vehicle
Target Audience:
Owners, mechanics, and DIY enthusiasts seeking detailed repair and maintenance information for the Jeep Cherokee XJ.
Competitors:
Ford Explorer, Toyota 4Runner, Chevrolet Blazer, Nissan Pathfinder
Vehicle Philosophy:
Renowned for its robust construction, off-road capability (even in 4x2 form), and utilitarian design.
Manual Value Proposition:
Provides essential knowledge to maintain and repair a durable and capable vehicle, empowering owners and reducing repair costs.
Engine:
Detailed diagnosis, repair, and overhaul procedures for all engine variants offered in 2001, including the 4.0L (242 ci) Inline-6 and potentially the 2.5L (150 ci) Inline-4 (depending on regional market).
Transmission:
Service and repair for automatic (e.g., AW4, 42RE) and manual transmissions (e.g., NV3550), including fluid changes, clutch replacement, and internal component repair.
Drivetrain:
Front and rear axle servicing, differential maintenance, driveshaft inspection and repair for 4x2 configurations.
Suspension:
Front and rear suspension component diagnosis and replacement, including leaf springs (rear), coil springs (front), shocks, control arms, and bushings.
Steering:
Power steering system diagnosis and repair, steering gear, tie rods, steering linkage, and column components.
Brakes:
Front and rear brake system service, including disc brake component replacement (pads, rotors), drum brake service (shoes, drums), master cylinder, power booster, and ABS system (if equipped).
Electrical:
Complete wiring diagrams, fuse and relay identification, starter, alternator, battery servicing, lighting systems, ignition system, and accessory electrical components.
Body And Frame:
Body panel alignment, door and tailgate service, interior trim removal and installation, chassis inspection and repair.
HVAC:
Heating, ventilation, and air conditioning system diagnosis and repair, including component replacement (compressor, condenser, evaporator, blower motor) and refrigerant service.
Fuel System:
Fuel pump, fuel injectors, fuel filter replacement, fuel tank service, and evaporative emissions control system.
Cooling System:
Radiator, water pump, thermostat, coolant hoses, and fan clutch service.
Maintenance:
Scheduled maintenance, oil and filter changes, fluid level checks, tire rotation, brake inspections.
Troubleshooting:
Diagnostic charts and flowcharts for common problems, symptom-based troubleshooting guides.
Repair:
Step-by-step repair procedures for virtually all mechanical and electrical components.
Diagnostics:
Methods for diagnosing engine performance issues, electrical faults, and mechanical problems.
Rebuilds:
Detailed instructions for engine and transmission overhauls and component rebuilds.
Depth:
Comprehensive, covering basic maintenance to complete engine and transmission rebuilds, including detailed torque specifications, clearances, and diagnostic procedures.
Engine Code:
242 cu in (4.0L) OHV Inline-6
Engine Type:
Inline 6-Cylinder, Overhead Valve (OHV)
Bore X Stroke:
3.875 in x 3.56 in (98.4 mm x 90.5 mm)
Compression Ratio:
8.8:1 (typical for this era)
Horsepower:
190 hp @ 4600 rpm (approximate for 2001)
Torque:
225 lb-ft @ 3000 rpm (approximate for 2001)
Induction Type:
Sequential Multi-Port Fuel Injection (MPI)
Fuel Type:
Unleaded Gasoline
Coolant Capacity:
11.0 US quarts (10.4 liters) with heater (approximate)
Oil Capacity:
5 US quarts (4.7 liters) with filter change (approximate)
Ignition Type:
Distributorless Ignition System (DIS) with coil pack
Transmission Type:
4-Speed Automatic Transmission (e.g., 42RE)
Transmission Type:
5-Speed Manual Transmission (e.g., NV3550)
Automatic Features:
Electronic overdrive control
Automatic Transmission Fluid:
ATF+3 (Chrysler specification) or equivalent (e.g., Dexron III/Mercon)
Manual Transmission Fluid:
NV3550 requires Mopar Manual Transmission Lubricant (MS-9224) or equivalent synthetic gear oil (e.g., 75W-90)
Automatic Transmission Fluid Capacity:
Approximately 7 US quarts (6.6 liters) for a fluid change (dry fill is higher)
Manual Transmission Fluid Capacity:
Approximately 2.1 US quarts (2.0 liters)
Oil Change Interval:
Every 3,000-7,500 miles (4,800-12,000 km) or 6 months, depending on oil type and driving conditions (refer to manual for specifics).
Transmission Fluid Change Interval:
Every 30,000-60,000 miles (48,000-97,000 km), or more frequently if used for towing or severe duty.
Coolant Flush Interval:
Every 30,000-60,000 miles (48,000-97,000 km) or 2-4 years.
Spark Plug Replacement:
100,000 miles (160,000 km) for platinum or iridium plugs, sooner for copper plugs (typically 30,000 miles).
Engine Oil Specification:
SAE 10W-30 API SJ or higher quality (check manual for temperature range recommendations).
Brake Fluid Specification:
DOT 3 or DOT 4
Common Problems:
Head gasket leaks (especially on 4.0L), rear main seal leaks, aging bushings (control arm, track bar), radiator leaks, interior electrical gremlins, rust (particularly on unibody structure and rocker panels).
Preventative Maintenance Tips:
Regularly inspect for oil leaks, monitor coolant levels, check suspension components for wear, and address rust before it becomes severe.