Engine Mechanical:
Engine assembly, disassembly, diagnosis, cylinder head, pistons, crankshaft, camshafts, timing system, lubrication system, cooling system.
Engine Performance:
Fuel injection system (MPI), ignition system, emissions control systems, turbocharger (if applicable), performance tuning.
Transmission Manual:
Manual transmission: disassembly, inspection, repair, clutch system, gearbox components, driveline.
Transmission Automatic:
Automatic transmission: disassembly, inspection, repair, valve body, torque converter, hydraulic systems, electronic controls.
Drivetrain:
Four-wheel drive system (Super Select 4WD), transfer case, differentials (front and rear), axle shafts, CV joints, prop shafts.
Suspension Steering:
Front suspension (independent, often double wishbone), rear suspension (multi-link solid axle), springs, shock absorbers, bushings, steering system, power steering.
Brakes:
Brake system: hydraulic circuits, master cylinder, brake booster, disc brakes (front and rear), drum brakes (rear, if applicable), parking brake, ABS system.
Electrical System:
Battery, charging system (alternator), starting system (starter motor), ignition coils, ECU/ECM, sensors, wiring diagrams for all circuits.
Body And Trim:
Exterior body panels, interior trim, seats, doors, glass, seals, body repairs, structural components, corrosion prevention.
HVAC:
Heating, ventilation, and air conditioning (HVAC) system: compressor, condenser, evaporator, refrigerant lines, controls, blower motor.
Chassis And Frame:
Frame construction, body mounting, chassis components, rust proofing, underbody protection.
Routine Maintenance:
Oil changes, filter replacements (oil, air, fuel), spark plug replacement, coolant flush, brake fluid change, lubrication points.
Troubleshooting:
Diagnostic procedures for engine, transmission, electrical, and chassis issues. Symptom-based troubleshooting guides.
Component Removal Installation:
Step-by-step instructions for removing and installing all major and minor components.
Rebuilding Procedures:
Detailed procedures for engine and transmission rebuilds, including specifications for machining and assembly.
Electrical Diagnostics:
Reading wiring diagrams, testing electrical components, tracing circuits, identifying shorts and open circuits.
Suspension Alignment:
Wheel alignment specifications and procedures, suspension component adjustments.
Brake System Service:
Brake pad replacement, rotor resurfacing/replacement, caliper service, brake bleeding, ABS component testing.
Fuel System Service:
Fuel injector cleaning, fuel pump testing, fuel pressure checks, fuel filter replacement.
Engine Timing Adjustment:
Timing belt/chain replacement, valve clearance adjustment, ignition timing checks and adjustments.
Depth Level:
Comprehensive (from basic maintenance to complete engine/transmission overhaul)
Diagnostic Tools:
Includes information on diagnostic codes (OBD-I) and procedures, though specific tool recommendations might be limited to common hand tools and multimeters.
Special Tools:
Lists and illustrates required special tools for specific tasks.
Engine Code Gasoline:
6G72 (3.0L SOHC V6)
Engine Displacement Gasoline:
2972 cc (3.0 Liters)
Engine Configuration Gasoline:
V6 SOHC 24-valve (6 valves per cylinder due to older nomenclature or potential for 2-valve per cylinder mention, typically 2 per cylinder is standard for this engine, manual will clarify)
Bore Stroke Gasoline:
86.1 mm x 85.0 mm (approximate)
Compression Ratio Gasoline:
8.3:1 (typical)
Horsepower Gasoline:
145 - 155 hp @ 5000-5500 rpm (depending on specific configuration/market)
Torque Gasoline:
170 - 180 lb-ft @ 3500-4000 rpm (depending on specific configuration/market)
Engine Code Diesel:
4D56 (2.5L SOHC TD I4) (Optional)
Engine Displacement Diesel
Engine Displacement Diesel:
2477 cc (2.5 Liters)
Engine Configuration Diesel
Engine Configuration Diesel:
Inline 4-cylinder SOHC Turbo Diesel
Horsepower Diesel:
95 - 101 hp @ 4000-4200 rpm (depending on turbo configuration)
Torque Diesel:
137 - 145 lb-ft @ 2000-2500 rpm (depending on turbo configuration)
Fuel Delivery Gasoline:
Multi-Point Fuel Injection (MPI)
Fuel Type Gasoline:
Unleaded gasoline (87 octane minimum recommended)
Fuel Delivery Diesel:
Indirect Injection (IDI) with Turbocharger
Fuel Type Diesel:
Diesel fuel
Length:
Approx. 174.5 - 177.8 inches (4432 - 4516 mm) depending on short/long wheelbase
Width:
Approx. 66.5 - 66.7 inches (1689 - 1694 mm)
Height:
Approx. 65.0 - 66.3 inches (1651 - 1684 mm) depending on roof rack/trim
Wheelbase:
Short Wheelbase (SWB): Approx. 104.4 inches (2650 mm); Long Wheelbase (LWB): Approx. 109.0 inches (2770 mm)
Curb Weight:
Approx. 3700 - 4300 lbs (1678 - 1950 kg) depending on configuration
Gross Vehicle Weight Rating Gvwr:
Typically around 5000 - 5600 lbs (2268 - 2540 kg)
Cargo Volume Behind Rear Seat:
Significant capacity, typical for an SUV of its size, exact figures vary by configuration (e.g., 2-door vs. 4-door).
Engine Oil Change:
Every 3,750 - 5,000 miles (6,000 - 8,000 km) or 6 months, whichever comes first (refer to manual for exact intervals).
Oil Filter Replacement:
With every oil change.
Air Filter Replacement:
Every 15,000 - 30,000 miles (24,000 - 48,000 km) or as needed based on driving conditions.
Fuel Filter Replacement:
Every 30,000 - 45,000 miles (48,000 - 72,000 km).
Coolant Flush:
Every 30,000 - 60,000 miles (48,000 - 96,000 km) or 2-3 years.
Spark Plug Replacement:
Every 30,000 - 60,000 miles (48,000 - 96,000 km) for standard plugs, longer for platinum/iridium.
Timing Belt Replacement:
Crucial service for the 6G72 engine. Typically every 60,000 - 90,000 miles (96,000 - 144,000 km). Refer to manual for precise interval and recommended replacement of tensioner and idler pulleys.
Engine Oil Type:
API SG or SH classification, viscosity typically SAE 10W-30 or 10W-40 (check manual for specific climate recommendations).
Engine Oil Capacity:
Approx. 4.5 - 5.0 US quarts (4.3 - 4.7 Liters) with filter change.
Coolant Type:
Ethylene glycol-based antifreeze (e.g., Mitsubishi DIA-COOL SUPER)
Coolant Capacity:
Approx. 7.0 - 8.0 US quarts (6.6 - 7.6 Liters).
Transmission Fluid Manual:
API GL-4 or GL-5 gear oil (e.g., SAE 75W-90 or 80W-90).
Transmission Fluid Automatic:
Dexron II/III or equivalent automatic transmission fluid (ATF).
Transfer Case Fluid:
API GL-4 or GL-5 gear oil (e.g., SAE 75W-90 or 80W-90).
Differential Fluid Front Rear:
API GL-5 gear oil (e.g., SAE 80W-90). Limited-slip differential fluid if equipped.
Brake Fluid Type:
DOT 3 or DOT 4 brake fluid.
Timing Belt Failure:
Critical failure point if not replaced on schedule, leading to catastrophic engine damage (interference engine).
Rear Main Seal Leaks:
Common leak point over time on the V6 engines.
Transfer Case Actuator Failure:
The electronic actuators for the Super Select 4WD can be prone to failure or corrosion over time.
HVAC Blend Door Actuators:
Plastic blend door actuators can become brittle and fail, affecting air direction.
Exhaust Manifold Cracks:
Can develop cracks due to heat cycles, leading to exhaust leaks and ticking noises.
Interior Component Wear:
Wear on seat bolsters, dashboard materials, and window seals is common in older vehicles.
