Engine Mechanical:
Engine assembly, disassembly, troubleshooting, diagnostics, repair procedures, internal components (pistons, rings, bearings, crankshaft, camshaft, valves, etc.)
Engine Fuel System:
Fuel pump, injectors, fuel lines, fuel filter, throttle body, EVAP system, diagnostics and repair
Engine Cooling System:
Radiator, water pump, thermostat, hoses, coolant, fan assembly, troubleshooting and repair
Engine Ignition System:
Spark plugs, ignition coils, wiring, diagnostics and repair
Engine Emission Control:
Catalytic converter, oxygen sensors, EGR system, emission control sensors and actuators, diagnostics and repair
Transmission Automatic:
Transmission disassembly, assembly, internal components, valve body, torque converter, fluid service, troubleshooting and repair
Drivetrain:
Axles, CV joints, drive shafts, differential (if applicable), troubleshooting and repair
Suspension:
Front and rear suspension components (struts, shocks, control arms, ball joints, bushings, springs), alignment specifications, troubleshooting and repair
Steering:
Steering rack, power steering pump, steering column, tie rod ends, power steering fluid, troubleshooting and repair
Brakes:
Brake system components (calipers, pads, rotors, master cylinder, brake lines, ABS system), bleeding procedures, troubleshooting and repair
Electrical System:
Battery, alternator, starter, wiring diagrams, fuses, relays, lighting system, accessory circuits, troubleshooting and repair
Body And Chassis:
Body panels, doors, hinges, latches, interior trim, exterior trim, glass, rust repair, collision repair basics
Heating And Air Conditioning:
HVAC system components (compressor, condenser, evaporator, blower motor, heater core), refrigerant handling, troubleshooting and repair
Comfort And Convenience:
Power windows, power locks, mirrors, seats, sunroof, interior lighting, door locks, remote keyless entry
Maintenance:
Routine maintenance tasks (oil changes, filter replacements, fluid checks, tire rotation), scheduled maintenance intervals
Troubleshooting:
Diagnostic flowcharts, symptom-based troubleshooting guides for various systems
Repair:
Step-by-step repair procedures for all major vehicle systems, component replacement, and adjustments
Diagnostics:
On-Board Diagnostics (OBD-II) information, trouble code definitions, diagnostic scan tool usage guidance
Depth:
Factory-level detail, suitable for professional technicians and advanced DIYers
Oil Change Interval:
Every 3,000-5,000 miles (4,800-8,000 km) or 6 months, depending on driving conditions and oil type (refer to owner's manual/manual for specifics)
Transmission Fluid Interval:
Every 30,000-50,000 miles (48,000-80,000 km) for fluid and filter change (refer to manual)
Coolant Replacement Interval:
Every 30,000-50,000 miles (48,000-80,000 km) or 2-3 years
Spark Plug Replacement Interval:
Every 100,000 miles (160,000 km) for platinum or iridium plugs (refer to manual)
Engine Oil Specification:
SAE 5W-30 viscosity grade, API Certified, meeting GM specification for the 3.4L V6 engine.
Coolant Specification:
GM P/N 12378397 or equivalent, typically a 50/50 mix of ethylene glycol and deionized water.
Common Problems:
Common issues may include intake manifold gasket leaks, power steering leaks, HVAC blend door actuator failures, and occasional transmission issues (particularly with earlier versions of the 4T65-E transmission).
