Segment:
Compact SUV / Sport Utility Vehicle
Jeep Role:
Revolutionized the SUV market with its unibody construction and capability; a cornerstone of Jeep's lineup.
Competitors:
Ford Bronco II, Toyota 4Runner, Chevrolet S-10 Blazer, Nissan Pathfinder.
Construction:
Unibody construction (Uni-frame) for improved on-road manners and reduced weight compared to body-on-frame SUVs.
Capability:
Renowned for Jeep's signature off-road prowess, with available 4x4 systems and robust drivetrain components.
Years Covered:
1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996
Estimated Page Count:
Approx. 1500-2000+ pages (typical for comprehensive WSMs of this era)
Type:
Workshop Service Manual (WSM) / Repair Manual
Format:
Likely Digital (PDF) or Printed Book
Engine Mechanical:
Detailed repair, overhaul, and diagnostics for all engine variants, including 2.5L AMC 150 I4, 4.0L AMC 242 I6, and 4.2L AMC 258 I6 (early years).
Engine Management:
Fuel injection systems (Renix, MPI), ignition systems, emissions control, ECU operation, and diagnostic trouble codes (DTCs).
Transmission Manual:
Repair, overhaul, and troubleshooting for manual transmissions (e.g., AX-4, BA-10/P, AX-5).
Transmission Automatic:
Repair, overhaul, and troubleshooting for automatic transmissions (e.g., AW-4, 30RH).
Drivetrain And Axles:
Front and rear axle assemblies (Dana 30, Dana 35C, Chrysler 8.25), differentials, transfer cases (Command-Trac, Selec-Trac), driveshafts, U-joints.
Suspension And Steering:
Front (leaf spring or coil spring depending on year/trim) and rear suspension systems, shock absorbers, steering system components, power steering.
Brakes:
Disc and drum brake systems, hydraulic circuits, parking brake, ABS (on applicable models).
Electrical System:
Wiring diagrams, charging system, starting system, lighting, instrumentation, body electricals, fuses, relays, power distribution.
Body And Frame:
Body panel removal/installation, interior trim, glass, doors, tailgate, chassis structure, rust repair considerations.
HVAC:
Heating, ventilation, and air conditioning system diagnosis and repair.
Preventative Maintenance:
Oil changes, filter replacements, fluid checks and changes, belt and hose inspections, tune-ups.
Diagnostic Procedures:
Troubleshooting charts, symptom-based diagnostics, electrical system tracing, component testing.
Repair And Overhaul:
Step-by-step instructions for component disassembly, inspection, repair, and reassembly (e.g., engine rebuild, transmission overhaul, brake caliper replacement).
Special Tool Usage:
Identification and usage of specialized tools required for specific procedures.
Specifications And Tolerances:
Torque specifications, clearance measurements, alignment angles, fluid capacities, and other critical technical data.
Depth:
Comprehensive, covering routine maintenance to major component rebuilds and advanced diagnostics.
Detail Level:
Detailed, with exploded views, diagrams, and clear instructions suitable for professional technicians and experienced DIY mechanics.
Engines Offered:
2.5L AMC 150 I4 (125 hp, 145 lb-ft torque - early models), 4.0L AMC 242 I6 (173-190 hp, 215-225 lb-ft torque - dominant engine), 4.2L AMC 258 I6 (early models, approx. 112 hp, 200 lb-ft torque).
Acceleration 0 60:
Varies by engine and drivetrain, typically 9-11 seconds for 4.0L I6.
Injection Type:
Throttle Body Injection (TBI) and Multi-Port Fuel Injection (MPI) depending on year and engine.
Fuel Type:
Unleaded gasoline (87 octane typical)
Oil Change Interval:
Every 3,000 - 5,000 miles (depending on oil type and driving conditions).
Transmission Fluid Change:
Automatic: 30,000 - 60,000 miles. Manual: As per manual recommendations, often longer.
Coolant Flush:
Every 30,000 - 50,000 miles or 2-3 years.
Engine Oil:
API SG or higher, SAE 10W-30 or 10W-40 (check owner's manual for specific viscosity based on temperature).
Coolant:
Mopar Antifreeze/Coolant (Native Green), or equivalent ethylene glycol-based coolant with de-ionized water (50/50 mix).
Automatic Transmission Fluid:
ATF+3 or ATF+4 (later spec, may be backward compatible) for AW-4. Check manual for 30RH.
Manual Transmission Fluid:
API GL-5, SAE 75W-90 or 75W-140 (specific to transmission type).
Rear Axle Fluid:
API GL-5, SAE 75W-90 or 75W-140 (with limited-slip additive if equipped).
Common Problems:
Head gasket leaks (especially 4.0L I6), radiator failures, water pump leaks, starter motor issues, rear main seal leaks, rust on unibody seams and rocker panels, exhaust manifold cracks (4.0L I6), interior trim wear, ABS sensor issues.
Common Fixes:
Regular fluid changes, proactive rust prevention/treatment, upgraded exhaust manifolds for 4.0L, proper cooling system maintenance.
