Positioning:
The Jeep Cherokee XJ is a pivotal model in Jeep's history, transitioning the brand towards unibody construction and a more accessible SUV segment. This manual is essential for owners and mechanics maintaining this groundbreaking vehicle.
Competitors:
Competed against models like the Ford Bronco II, Chevrolet S-10 Blazer, and Nissan Pathfinder. The XJ's compact size, off-road capability, and unique styling set it apart.
Vehicle Features:
Unibody construction, legendary Jeep 4x4 capability, durable and capable platform, iconic boxy styling.
Value Proposition:
This manual represents the definitive guide for servicing the 1984 Jeep Cherokee XJ, offering unparalleled detail and accuracy to ensure proper maintenance and repair, avoiding the pitfalls of incomplete or inaccurate guides.
Primary Coverage:
Comprehensive Service and Repair
Engine Coverage:
All gasoline engines for 1984 model year
Transmission Coverage:
All transmissions for 1984 model year
Chassis Systems Coverage:
Suspension, Steering, Brakes, Driveline
Electrical System Coverage:
Wiring Diagrams, Components, Diagnostics
Body And Interior Coverage:
Body panels, interior trim, climate control
Estimated Page Count:
Over 1500 pages (estimated for a comprehensive factory manual)
Type:
Factory Authorized Service Manual / Workshop Manual
Format:
Digital (likely PDF)
Powertrain:
Engine mechanical, fuel, ignition, cooling, exhaust, lubrication
Drivetrain:
Transfer case, axles (Dana 30, Dana 35c), differentials, driveshafts, CV joints
Suspension:
Front: Leaf spring solid axle; Rear: Leaf spring solid axle. Shock absorbers, control arms (if applicable to early models), bushings
Steering:
Power steering system components, steering column, linkage
Braking:
Front disc brakes, rear drum brakes, master cylinder, brake lines, parking brake system
Electrical:
Battery, charging system, starting system, lighting, gauges, instrument cluster, fuses, relays, accessory circuits
Climate Control:
HVAC system, heater core, A/C components (if equipped), ventilation
Body And Frame:
Body panel removal/installation, chassis structure, door mechanisms, glass, seals
Routine Maintenance:
Oil change, fluid checks and changes, filter replacements, lubrication points
Engine Repair:
Overhaul, component replacement (e.g., head gaskets, pistons, bearings), timing adjustments
Transmission Service:
Fluid changes, seal replacement, clutch service (for manual transmission), internal component repair (for automatic transmission)
Brake System Repair:
Pad/shoe replacement, rotor/drum machining or replacement, caliper/wheel cylinder service, bleeding
Suspension And Steering Repair:
Component replacement (shocks, bushings, tie rods), alignment procedures
Electrical Diagnostics:
Troubleshooting electrical faults, testing circuits, component testing
Body Repair:
Dent removal, panel replacement, rust repair guidance
Troubleshooting Guides:
Diagnostic charts and symptom-based troubleshooting for common issues
Depth:
Comprehensive from basic maintenance to full mechanical and electrical overhauls
Diagnostic Capabilities:
Detailed diagnostic procedures, including connector pinouts and voltage checks
Torque Specifications:
All critical torque specifications for engine, chassis, and drivetrain components
Wiring Diagrams:
Complete, detailed wiring diagrams for all vehicle systems
Special Tools:
Identification and usage of specialized tools required for specific repairs
Engine Code:
AMC 2.5L (150ci) Inline-4 and AMC 4.0L (242ci) Inline-6 (both likely available for 1984)
Displacement 2.5L:
2.5 Liters (150 cubic inches)
Displacement 4.0L:
4.0 Liters (242 cubic inches)
Horsepower 2.5L:
Approx. 112 hp @ 4800 rpm
Torque 2.5L:
Approx. 135 lb-ft @ 2800 rpm
Horsepower 4.0L:
Approx. 173 hp @ 4000 rpm (estimated for early 4.0L)
Torque 4.0L:
Approx. 220 lb-ft @ 2000 rpm (estimated for early 4.0L)
Fuel Delivery 2.5L:
Throttle Body Injection (TBI)
Fuel Delivery 4.0L:
Throttle Body Injection (TBI) for 1984 model year
Ignition Type:
Electronic Ignition (E.I.)
Cooling Type:
Pressurized liquid cooling system
Recommended Oil Viscosity:
10W-30 (check manual for specific ambient temperature ranges)
Standard Transmission:
4-speed Manual (e.g., Peugeot BA10/5 for later XJ, but likely an older Chrysler/Jeep unit for 1984)
Optional Transmission:
3-speed Automatic (e.g., Chrysler A904/TF999)
Drivetrain Options:
Command-Trac 4x4 (Part-time)
Automatic Transmission Fluid:
Chrysler ATF+3 or equivalent (refer to manual for exact specification)
Manual Transmission Fluid:
GL-4 Gear Oil (refer to manual for exact specification)
Wheelbase:
101.4 inches (2576 mm)
Length:
Approx. 169.5 inches (4305 mm)
Width:
Approx. 69.2 inches (1758 mm)
Height:
Approx. 62.7 inches (1593 mm)
Curb Weight:
Starting around 3,100 - 3,400 lbs (depending on engine and configuration)
Gross Vehicle Weight Rating:
Approx. 4,500 - 4,800 lbs (GVWR)
Towing Capacity:
Up to 2,000 lbs (varies by engine and options)
Oil Change Interval:
Every 3,000 miles or 3 months (typical for this era)
Transmission Fluid Interval:
Every 30,000 - 60,000 miles (refer to manual)
Coolant Flush Interval:
Every 2 years or 30,000 miles
Spark Plug Replacement:
Every 30,000 miles (typical)
Engine Coolant:
Chrysler/Mopar Antifreeze/Coolant (50/50 mix with distilled water)
Brake Fluid:
DOT 3 Hydraulic Brake Fluid
Power Steering Fluid:
Mopar Power Steering Fluid or Dexron II/III ATF
Common Xj Issues Early Models:
Rust (especially unibody frame rails, rocker panels, and rear quarter panels), cooling system leaks (radiator, water pump), starter motor issues, exhaust manifold cracks (4.0L), interior wear and tear, original TBI system quirks.
Preventative Maintenance Focus:
Regular rustproofing, vigilant coolant system monitoring, and thorough lubrication are key to longevity.
Jeep Legacy:
Jeep, originating from World War II Willys Jeeps, has a long-standing reputation for robust off-road capability and durable vehicles.
Xj Introduction:
The XJ Cherokee, introduced in late 1983 for the 1984 model year, was a revolutionary step for Jeep, marking the first mass-produced vehicle with a unibody construction in the SUV segment. This design offered a lighter, more fuel-efficient, and car-like ride compared to traditional body-on-frame SUVs.
Powertrain Development:
Initial models featured the AMC 2.5L I4 and the newer AMC 4.0L I6, which would become a legendary Jeep engine known for its torque and reliability.
Manufacturing Plants:
Primarily Toledo, Ohio.
Xj Production Span:
1984-2001 (for North America), with longer production in other markets.