Engine Mechanical:
Complete overhaul and component repair procedures for the 6.0L V8 engine.
Emission Control:
Diagnosis and repair of emission control systems, including catalytic converters, EVAP, and O2 sensors.
Fuel Systems:
Fuel pump, injectors, fuel lines, pressure regulator, and evaporative emissions control system.
Cooling Systems:
Radiator, water pump, thermostat, coolant hoses, and fan assembly.
Lubrication:
Oil pump, oil filter, oil pan, and lubrication passages.
Ignition:
Spark plugs, ignition coils, crankshaft position sensor, and camshaft position sensor.
Starter:
Starter motor diagnosis and replacement.
Charging System:
Alternator, voltage regulator, and battery charging system.
Clutch:
Clutch assembly and hydraulic system (for manual transmission variants, though less common).
Manual Transmission:
Disassembly, inspection, and repair of the manual gearbox (if applicable).
Automatic Transmission:
Detailed diagnostics, repair, and overhaul procedures for the 4L65E automatic transmission.
Transfer Case:
Service and repair of the 4WD transfer case (e.g., NVG246 or similar).
Propeller Shaft:
Drive shafts, universal joints, and CV joints.
Suspension And Axle:
Front and rear suspension components, shock absorbers, springs, control arms, and axle assemblies.
Brake:
Brake system diagnosis, rotor/pad replacement, caliper service, ABS, and hydraulic lines.
Steering:
Power steering system, steering column, tie rods, and steering rack/gearbox.
Restraint System:
Airbag system diagnosis, sensors, and seatbelt service.
Body Electrical:
Headlights, taillights, interior lighting, power windows, locks, mirrors, and related modules.
Body:
Body panel alignment, door repairs, glass replacement, and chassis components.
Air Conditioning:
HVAC system diagnosis, refrigerant service, compressor, condenser, and evaporator.
Diagnostics:
Diagnostic trouble codes (DTCs), diagnostic procedures, and troubleshooting flowcharts.
Maintenance:
Scheduled maintenance, fluid changes, filter replacements, and general inspections.
Repair:
Step-by-step repair instructions for all major vehicle systems.
Troubleshooting:
Systematic diagnostic procedures and troubleshooting guides for common and complex issues.
Rebuilds:
Detailed instructions for engine, transmission, and transfer case rebuilds.
Electrical Diagnostics:
Wiring diagrams, circuit tests, and component testing for all electrical systems.
Depth:
Comprehensive, covering everything from routine maintenance to complete engine and transmission rebuilds.
Oil Change Interval:
Every 5,000 miles or 6 months (whichever comes first) under normal driving conditions.
Tire Rotation Interval:
Every 7,500 miles or 6 months.
Transmission Fluid Change:
Every 50,000-100,000 miles (check severe service intervals in manual).
Engine Oil Type:
SAE 5W-30 Synthetic Blend (GM spec: dexos1 or API SN equivalent)
Engine Oil Capacity:
7 Quarts (with filter)
Coolant Type:
GM DEX-COOL (Orange) or equivalent extended life coolant (50/50 mix).
Transmission Fluid Type:
Dexron VI (Automatic Transmission)
Common Problems:
Fuel pump failure, HVAC blower motor issues, power steering leaks, suspension component wear (ball joints, control arms), potential transmission fluid leaks.
Durability Notes:
Generally robust drivetrain, but the sheer weight and robust off-road nature can accelerate wear on certain components if not maintained.
