Powertrain:
Engine mechanical, fuel system, ignition system, cooling system, lubrication system, exhaust system, engine control systems (ECU diagnostics and wiring)
Transmission:
Manual transmission (operation, overhaul, component identification), Automatic transmission (operation, overhaul, component identification), Drivetrain (transfer case, differentials, driveshafts, CV joints)
Chassis And Suspension:
Front suspension (independent, components, adjustments), Rear suspension (solid axle, multi-link), Steering system (power steering pump, rack and pinion, column), Brakes (hydraulic system, ABS, components, bleeding, rotor/pad replacement)
Electrical System:
Battery, charging system (alternator, starter motor), Lighting system (headlights, taillights, interior), Ignition system, Fuel injection system, Engine control module (ECM), Body control module (BCM), Fuse box diagrams, Wiring diagrams for all major systems, Audio system, HVAC system controls
Body And Interior:
Body panels (removal/installation), Doors, Hood, Tailgate, Glass (windshield, side, rear), Interior trim, Seats, Dashboard, HVAC (heating, ventilation, and air conditioning) system components and diagnosis
Routine Maintenance:
Oil changes, filter replacements (oil, air, fuel), spark plug replacement, fluid checks and top-offs, tire rotation and pressure checks
Repair And Overhaul:
Engine component replacement (pistons, rings, bearings, valves), cylinder head overhaul, transmission overhaul, brake caliper/master cylinder replacement, suspension component replacement (shocks, struts, ball joints, tie rod ends), steering rack overhaul, fuel injector replacement, radiator replacement
Diagnosis And Troubleshooting:
Diagnostic trouble codes (DTCs) and their meanings, symptom-based troubleshooting guides, electrical system diagnostics using multimeters and oscilloscopes, fuel system pressure testing, emission control system diagnosis
Technical Specifications:
Torque specifications for all fasteners, engine clearances, valve lash adjustments, bearing clearances, fluid capacities, electrical component resistance values
Diagnostic Capabilities:
Advanced diagnostic procedures for engine management, transmission control, ABS, and body electronics, including wiring diagrams and component testing
Repair Procedures:
Detailed step-by-step repair instructions for mechanical, electrical, and body components, including specialized tool requirements
Rebuild Instructions:
Comprehensive instructions for engine, transmission, and differential rebuilds, including tolerances and specifications
Length:
Approx. 4315 mm (169.9 inches)
Width:
Approx. 1735 mm (68.3 inches)
Height:
Approx. 1710 mm (67.3 inches)
Wheelbase:
Approx. 2630 mm (103.5 inches)
Seating Capacity:
5 passengers
Cargo Volume:
Variable depending on rear seat configuration, significant for its class
Curb Weight:
Approx. 1600-1700 kg (3527-3748 lbs)
Gross Vehicle Weight Rating:
Varies by configuration, typically around 2200 kg
Engine Oil Change:
Every 7,500 miles or 6 months, whichever comes first
Oil Filter Replacement:
With every oil change
Air Filter Replacement:
Every 15,000 miles or 12 months
Spark Plug Replacement:
Every 30,000 miles (platinum or iridium plugs)
Coolant Flush:
Every 30,000 miles or 2 years
Transmission Fluid Change:
Manual: Every 50,000 miles. Automatic: Every 45,000 miles
Engine Oil Type:
API Service SJ or SL, SAE 10W-30 or 10W-40 (check owner's manual for climate recommendations)
Engine Oil Capacity:
Approx. 4.5 Liters (4.8 US Quarts) with filter
Coolant Type:
Ethylene glycol based, typically a green or orange coolant. (GM DEX-COOL or equivalent often compatible)
Brake Fluid Type:
DOT 3 or DOT 4
Power Steering Fluid:
ATF Dexron II/III or specific power steering fluid
Head Gasket Leaks:
Can be prone to head gasket leaks, especially with overheating. Regular coolant checks are vital.
Rust And Corrosion:
As with many vehicles of this era and type, rust can be an issue, particularly in the body panels, frame, and exhaust system in areas with harsh weather.
Suspension Wear:
Ball joints, tie rod ends, and shock absorbers can experience wear over time due to the vehicle's weight and off-road usage.
Electrical Gremlins:
Minor electrical issues, such as faulty sensors or wiring harness problems, can occur with age.