Segment:
Compact SUV / Off-road focused utility vehicle
Target Audience:
Enthusiasts, DIY mechanics, owners seeking to maintain or repair their XJ
Competitors 1995:
Toyota 4Runner, Ford Explorer, Nissan Pathfinder, Isuzu Rodeo
Xjs Advantage:
Unibody construction offering a more refined ride than body-on-frame competitors, strong off-road capability, iconic styling
Platform:
Unibody construction, a significant innovation for SUVs at the time
Powertrain Options:
Robust inline-6 and capable inline-4 engines, coupled with durable 4WD systems
Offroad Capability:
Excellent ground clearance, approach/departure angles, and available Selec-Trac/Command-Trac systems
Engine Mechanical:
Complete overhaul, repair, and diagnostics for all gasoline engines
Engine Management:
Fuel injection, ignition system, emissions control, sensor data, ECM troubleshooting
Transmission:
Automatic (AW4, 42RE) and Manual (AX-5, AX-15) transmission repair, rebuilding, and diagnostics
Drivetrain:
Four-wheel drive system (Command-Trac, Selec-Trac), transfer case, differentials, axle shafts, U-joints
Suspension:
Front coil springs, rear leaf springs, shock absorbers, control arms, steering knuckles, sway bars
Steering:
Power steering system, steering column, tie rods, drag link, steering gearbox/rack
Brakes:
Front disc brakes, rear drum brakes, ABS system (if equipped), brake lines, master cylinder, calipers, wheel cylinders
Electrical System:
12V battery, alternator, starter motor, lighting, fuses, relays, wiring diagrams
HVAC:
Air conditioning, heating system, blower motor, evaporator, condenser, controls
Body And Frame:
Body panel removal/installation, interior trim, chassis components, rust repair guidance
Interior:
Seats, dashboard, door panels, headliner, carpeting, seat belts
Exterior:
Bumpers, grille, hood, doors, tailgate, glass, mirrors
Preventative Maintenance:
Oil changes, filter replacements, fluid checks and top-offs, belt inspections, spark plug replacement
Troubleshooting:
System-specific diagnostic procedures, symptom-based fault finding, error code interpretation
Repair And Rebuild:
Component disassembly, cleaning, inspection, repair, and reassembly for all major systems
Component Replacement:
Step-by-step instructions for replacing parts like alternators, starters, water pumps, radiators, brake pads, etc.
Diagnostic Procedures:
Detailed walkthroughs for diagnosing electrical issues, engine performance problems, and drivetrain malfunctions
Adjustment And Calibration:
Alignment procedures, throttle body cleaning and adjustment, sensor recalibration
Depth Level:
Comprehensive from basic maintenance to complete engine and transmission overhauls
Diagnostic Focus:
In-depth diagnostic trees and flowcharts for efficient problem diagnosis
Torque Specifications:
Exact torque values for all fasteners, critical for safe and correct assembly
Clearances And Tolerances:
Precise measurements for engine components, bearings, and moving parts
Wiring Diagrams:
Detailed, color-coded electrical schematics for all vehicle systems
Engine Code 1:
4.0L OHV Inline-6 (High Output)
Engine Displacement 1:
3956 cc (241.8 cubic inches)
Engine Configuration 1:
Inline-6
Valvetrain 1:
Overhead Valve (OHV), 12 valves (2 valves per cylinder)
Bore Stroke 1:
98.5 mm x 86.7 mm (3.88 in x 3.41 in)
Compression Ratio 1:
8.8:1
Horsepower 1:
180 hp @ 4700 rpm
Torque 1:
220 lb-ft @ 3200 rpm
Fuel System 1:
Electronic Fuel Injection (MPI)
Ignition System 1:
Distributorless Ignition System (DIS) with distributorless ignition module (DIM)
Engine Code 2:
2.5L OHV Inline-4 (AMC 2.5L)
Engine Displacement 2:
2469 cc (150.7 cubic inches)
Engine Configuration 2:
Inline-4
Horsepower 2:
125 hp @ 4400 rpm
Torque 2:
150 lb-ft @ 2000 rpm
Fuel System 2:
Electronic Fuel Injection (MPI)
Oil Change Interval:
Every 3,000 - 7,500 miles (depending on oil type and driving conditions)
Engine Coolant Flush:
Every 30,000 miles or 2 years
Transmission Fluid Change:
Every 30,000 - 60,000 miles (depending on usage and fluid type)
Transfer Case Fluid Change:
Every 30,000 miles
Differential Fluid Change:
Every 30,000 miles
Spark Plug Replacement 4.0L:
Every 60,000 - 100,000 miles (depending on plug type)
Engine Oil 4.0L:
API Service SG or SH, SAE 10W-30 or 10W-40 (check manual for specific temp ranges)
Engine Oil 2.5L:
API Service SG or SH, SAE 5W-30 or 10W-30 (check manual for specific temp ranges)
Automatic Transmission Fluid:
ATF+3 (Chrysler spec, often compatible with Dexron II/III)
Manual Transmission Fluid:
API GL-4, SAE 75W-90 or 80W-90 gear oil
Transfer Case Fluid:
ATF+3 or Dexron II/III
Coolant:
Ethylene glycol coolant (50/50 mix with distilled water)
Common Issue 1:
Head gasket failure on the 4.0L engine (especially in earlier models, improved by '95 but still a concern)
Common Issue 2:
Cracked cylinder heads on the 4.0L (less common by '95, but possible)
Common Issue 3:
Leaf spring 'اعراب' (sagging) due to age and load
Common Issue 4:
Radiator leaks or failure (plastic end tanks)
Common Issue 5:
Rust proliferation, particularly on rocker panels, floor pans, and rear quarter panels
Common Issue 6:
Oil filter adapter housing leaks