Target Audience:
Owners with basic mechanical skills and independent auto service professionals. Also beneficial for owners wanting to understand repairs.
Value Proposition:
Provides dealer-level service information at a fraction of the cost, enabling informed decision-making for repairs and DIY maintenance.
Instant Access:
Instant download upon payment, eliminating shipping costs and waiting times.
Completeness:
Covers 'every detail relating to the car,' including specific sections like 'Troubleshooting and Diagnostics' and 'Full Specifications and Torque Settings'.
Engine Management:
Covers fuel system, induction, emission control, control systems, and engine service/overhauling for 2.5L and 4.0L 6-cylinder engines.
Powertrain:
Includes detailed coverage of transmission (manual and automatic), differentials, and related driveline components.
Chassis And Suspension:
Comprehensive coverage of steering, suspension systems, and chassis components, including specific torque settings.
Braking System:
Detailed information on brake system service, including ABS (Anti-lock Braking System) for applicable models.
Electrical And Wiring:
Extensive wiring diagrams, terminal pin connections, expected readings, and electrical system troubleshooting.
Body And Interior:
Covers body service, interior components, and general body repairs.
Diagnostics Troubleshooting:
Detailed procedures for diagnosing common faults, engine fault symptoms, and troubleshooting techniques used by professionals.
Mechanical Repair:
Includes engine overhaul, transmission service, chassis repairs, and component-level repair procedures.
Maintenance:
Covers routine maintenance, fluid checks, and service work to keep the vehicle in optimal condition.
Testing And Verification:
Guides on testing suspected parts using 'secret techniques' and verifying completed repair work.
Depth:
Comprehensive, covering basic to advanced diagnostics, repair procedures, and detailed specifications, mirroring authorized dealer information.
Readability:
PDF format allows viewing on PC, Mac, phones, and ebook readers; printable for convenience.
Printability:
High-quality PDF designed for easy printing of individual pages, preventing oil stains on original documents.
Binding:
Not applicable (Digital PDF format).
Paper:
Not applicable (Digital PDF format).
Engine Options:
2.5L (inline-4) and 4.0L (inline-6) gasoline engines.
Typical Horsepower 4 0L:
Approximately 177 hp @ 4,700 rpm (specific output may vary slightly by sub-model and tuning).
Typical Torque 4 0L:
Approximately 220 lb-ft @ 3,200 rpm (specific output may vary slightly).
Fuel Delivery:
Multi-point fuel injection (MPI) for both engine options in 1991.
Transmission Options:
Available with manual transmissions (e.g., 5-speed Aisin AW4) and automatic transmissions (e.g., 3-speed TorqueFlite 727 or 4-speed AW4, depending on configuration).
Transfer Case:
Typically equipped with a Command-Trac NP231 or Selec-Trac NP242 part-time 4WD system.
Service Coverage:
Detailed service and repair procedures for transmission overhaul, fluid changes, and related components.
Crash Test Data:
NHTSA ratings from the era should be consulted for specific crash test data, though modern standards may not directly apply. Manual provides guidance on safety systems.
ABS:
Anti-lock Braking System (ABS) was an available option and is covered in the manual.
Airbags:
Driver-side airbag was optional or standard on certain trims for 1991. Manual will detail its operation and serviceability.
Audio System:
Factory-installed AM/FM radio, possibly with cassette player. Aftermarket upgrades are common, and the manual can assist with wiring for installations.
Cruise Control:
Cruise control was an available option, with service and diagnostic information provided in the manual.
Trailer Towing Prep:
Wiring diagrams and specifications for trailer towing packages are often included, enabling proper installation and troubleshooting.
Oil Change:
Typically every 3,000-5,000 miles or 3-6 months, depending on driving conditions. Manual will specify exact intervals and oil type.
Transmission Fluid:
Recommended service intervals for transmission fluid and filter changes are detailed in the manual, often around 30,000-60,000 miles.
Engine Oil Recommendation:
Likely SAE 10W-30 or 10W-40 for both engines, but the manual will specify exact API service classification (e.g., SF or SG) and viscosity based on temperature.
Coolant Type:
Conventional green ethylene glycol coolant, typically a 50/50 mix with distilled water. Manual will provide specific capacities and freeze protection.
Common Xj Issues:
The manual can help diagnose common issues such as cooling system leaks (heater core, radiator), exhaust manifold cracks (4.0L), rear main seal leaks, and minor electrical gremlins.
Steering And Suspension Wear:
Components like ball joints, tie rod ends, and control arm bushings are common wear items and are covered extensively in the manual.
Jeep Legacy:
Part of Jeep's long-standing reputation for off-road capability and ruggedness, carrying on the legacy of the original Jeep Wagoneer.
Xj Generation:
The XJ Cherokee, introduced in 1984, revolutionized SUV design with its unibody construction, offering a more comfortable and car-like ride compared to traditional body-on-frame SUVs.
Production Years:
The XJ Cherokee platform was produced from 1984 to 2001, with the 1991 model year representing a mid-cycle refinement phase.
