Vehicle Segment:
Mid-size SUV / Off-Road Vehicle
Target Audience:
Enthusiasts, off-roaders, owners seeking to perform their own maintenance and repairs
Key Competitors 1998:
Toyota 4Runner, Nissan Pathfinder, Jeep Grand Cherokee, Ford Explorer
Notable Features:
Rugged body-on-frame construction, advanced 4WD systems, robust off-road capability, spacious interior
Engine:
All engine types, diagnostics, repair, overhaul
Transmission:
Automatic and Manual transmissions, diagnostics, repair, overhaul
Drivetrain:
4WD systems (Super Select 4WD II), differentials, axles, driveshafts
Suspension:
Front and rear suspension systems, shock absorbers, springs, bushings
Brakes:
Front and rear brake systems (disc/drum), ABS, hydraulic components
Steering:
Power steering system, steering column, linkage
Electrical:
Wiring diagrams, starting and charging system, ignition, lighting, accessories, ECUs
Body:
Body panels, doors, windows, interior trim, chassis structural integrity
HVAC:
Heating, Ventilation, and Air Conditioning system
Fuel:
Fuel tank, lines, pump, injectors, fuel injection system
Cooling:
Radiator, coolant, water pump, thermostat, cooling fan
Exhaust:
Exhaust manifold, catalytic converter, muffler, pipes
Maintenance:
Scheduled maintenance, oil changes, filter replacements, inspections
Troubleshooting:
Diagnostic procedures, symptom-based troubleshooting, fault code interpretation
Repair:
Step-by-step repair instructions for all major components and systems
Rebuild:
Detailed procedures for engine, transmission, and differential rebuilds
Refurbishment:
Guidance on restoring worn components and systems
Restoration:
Information relevant to bringing the vehicle back to original specifications
Diagnostics:
On-board diagnostics (OBD-I/II), scan tool usage, electrical testing
Specifications:
Torque specifications, clearances, tolerances for all repairs
Body And Frame:
Body panel alignment, door hinge repair, glass replacement, frame straightening (diagnostic approach).
Depth:
Comprehensive, covering everything from basic maintenance to complete engine and transmission overhauls
Engine Rebuild Detail:
Includes piston ring gap, bearing clearance, valve seat geometry, crankshaft specifications, cylinder head torque sequences.
Transmission Rebuild Detail:
Clutch pack clearances, valve body operation, torque converter specifications, gear train component tolerances.
Oil Change Interval Typical:
Every 3,750 - 7,500 miles (6,000 - 12,000 km) or 6-12 months, depending on driving conditions and oil type (refer to manual for specifics)
Transmission Fluid Interval Typical:
Every 30,000 - 60,000 miles (48,000 - 96,000 km) for automatic, consult manual for manual transmission
Coolant Flush Interval Typical:
Every 30,000 - 60,000 miles (48,000 - 96,000 km)
Timing Belt Replacement:
Critical for 6G7 series engines. Typically 60,000-90,000 miles (96,000-144,000 km) or 7-10 years. Failure causes severe engine damage. Manual will specify exact interval and recommended parts.
Engine Oil Type Common:
API SG, SH, SJ; Viscosity 5W-30 or 10W-30 (check manual for exact specification and viscosity based on climate)
Engine Oil Capacity 3.0L:
Approx. 4.5 - 4.8 quarts (4.3 - 4.6 liters) with filter change
Engine Oil Capacity 3.5L:
Approx. 4.8 - 5.0 quarts (4.6 - 4.8 liters) with filter change
Transmission Fluid Automatic:
Dexron III or equivalent
Transmission Fluid Manual:
GL-4 Gear Oil, SAE 75W-90
Coolant Type:
Ethylene Glycol based, typically a 50/50 mix with distilled water
Common Wear Item 1:
Upper and lower ball joints and control arm bushings (due to weight and off-road use)
Common Wear Item 2:
Exhaust manifold leaks (cracking)
Common Wear Item 3:
Rear main seal leaks (on higher mileage vehicles)
Common Wear Item 4:
Power window regulators and motors
Common Wear Item 5:
HVAC blower motor resistors
Drivetrain Issue:
Front CV axle boots can tear, leading to joint failure
