Positioning:
Compact pickup truck designed for utility and off-road capability, competing with models like the Toyota Hilux and Ford Ranger of its era.
Competition:
Offered a unique blend of Jeep's robust four-wheel-drive systems and truck utility, differentiating it from more car-like compact trucks.
Features:
Renowned Selec-Trac or Command-Trac 4x4 systems, durable construction, optional inline-six engines, and rugged styling.
Engine:
Detailed diagnostics, repair, and overhaul procedures for all available engines.
Transmission:
Coverage for manual and automatic transmissions, including repair and adjustment.
Drivetrain:
Front and rear axle, transfer case, driveshafts, CV joints, and four-wheel drive system.
Suspension:
Front and rear suspension systems, including springs, shock absorbers, control arms, and bushings.
Steering:
Power steering system components, steering gear, tie rods, and alignment specifications.
Brakes:
Hydraulic brake system, front disc and rear drum brake assemblies, ABS (if equipped), and brake fluid specifications.
Electrical:
Complete wiring diagrams, component testing, charging system, starting system, ignition system, lighting, instrumentation, and accessories.
Cooling:
Radiator, fan, water pump, thermostat, and coolant specifications.
Fuel:
Fuel tank, fuel pump, fuel injectors, fuel pressure regulator, and emissions control systems.
Exhaust:
Exhaust manifold, catalytic converter, mufflers, and pipes.
Body:
Body panels, doors, tailgate, interior trim, glass, and bumpers.
HVAC:
Heating, ventilation, and air conditioning system components and service.
Maintenance:
Scheduled maintenance, oil changes, filter replacements, lubrication.
Troubleshooting:
Diagnostic charts and procedures for identifying and resolving common problems.
Repair:
Step-by-step instructions for component removal, installation, and repair.
Diagnostics:
Detailed diagnostic procedures for electrical and mechanical systems.
Specifications:
Torque specifications, clearances, fluid capacities, and pressure readings.
Wiring Diagrams:
Comprehensive electrical wiring schematics for all systems.
Depth:
Comprehensive, from basic adjustments to full engine and transmission rebuilds.
Standard Transmission:
4-speed Manual (e.g., AX-4)
Optional Transmission 1:
5-speed Manual (e.g., AX-5)
Optional Transmission 2:
3-speed Automatic (e.g., AW-4)
Optional Transmission 3:
4-speed Automatic (e.g., 42RE)
Transfer Case:
Selec-Trac (full-time 4WD with 2WD option) or Command-Trac (part-time 4WD) available.
Oil Change Interval:
Typically every 3,000 to 5,000 miles, or 6 months, depending on driving conditions and oil type.
Transmission Fluid Change:
Refer to manual for specific intervals (e.g., every 30,000-60,000 miles for automatic transmissions).
Coolant Flush:
Typically every 30,000-60,000 miles or 2-4 years.
Engine Oil Spec:
API Service SG or SH, SAE 10W-30 or 10W-40 (check manual for exact spec).
Automatic Transmission Fluid:
ATF+3 or ATF+4 (refer to specific transmission type in manual).
Coolant Spec:
Mopar Antifreeze/Coolant (green) or equivalent ethylene glycol-based coolant.
Brake Fluid Spec:
DOT 3 Hydraulic Brake Fluid.
Common Issues:
Rusty rocker panels, door sills, floor pans; aging electrical components; potential for head gasket issues on early 4.0L engines; worn U-joints; cooling system leaks.
Jeep Legacy:
Built on Jeep's long-standing reputation for off-road prowess and durability.
Mj Introduction:
Introduced in 1985 as Jeep's entry into the compact pickup truck market, sharing its platform with the Cherokee XJ.
Mj Facelift:
Received minor updates throughout its production run, with the 1989 model year featuring some styling tweaks and potential equipment revisions.
Production Period:
1985-1992
Manufacturer:
American Motors Corporation (AMC) until 1987, then Chrysler Corporation.