Engine Mechanical:
Engine assembly, disassembly, rebuilding, cylinder head, pistons, crankshaft, camshafts, timing, lubrication system, cooling system.
Fuel System:
Fuel tank, fuel pump, fuel lines, fuel injectors, throttle body, fuel pressure regulator.
Ignition System:
Spark plugs, ignition coils, distributor (if applicable), ignition control module, timing.
Cooling System:
Radiator, water pump, thermostat, hoses, coolant specifications, fan operation.
Starting Charging System:
Starter motor, battery, alternator, charging circuit diagnostics.
Transmission:
Automatic transmission (e.g., 4L60-E, 4L30-E) and manual transmission (e.g., Getrag 5-speed) overhaul, diagnosis, fluid specifications.
Driveline:
Driveshafts, universal joints, CV joints, rear axle assembly, differential.
Suspension:
Front suspension (struts, control arms, ball joints), rear suspension (multi-link, independent), shock absorbers, springs, bushings.
Steering:
Power steering system, steering rack/gearbox, steering column, tie rods, wheel alignment specifications.
Brakes:
Front and rear brake systems (disc brakes), ABS system (if equipped), brake fluid specifications, bleeding procedures, component replacement.
Exhaust System:
Exhaust manifolds, catalytic converter, mufflers, pipes, hangers, emission controls.
HVAC:
Heating, Ventilation, and Air Conditioning system components, refrigerant, diagnosis, service procedures.
Electrical System:
Wiring schematics, component location, fuses, relays, power distribution, lighting systems, instrumentation, warning systems.
Body Interior Exterior:
Door panels, seats, trim, body panels, bumpers, glass replacement, seals.
Emission Controls:
EGR system, PCV system, evaporative emission control system.
Audio Systems:
Radio, speakers, antenna, wiring.
Maintenance:
Scheduled maintenance, oil changes, filter replacements, fluid checks and top-offs, tune-ups.
Troubleshooting:
Diagnostic procedures for various systems, symptom-based troubleshooting guides.
Repair:
Step-by-step repair instructions for virtually all components and systems.
Rebuild:
Detailed instructions for engine, transmission, and differential rebuilds.
Restoration:
Guidance on refurbishing and restoring various vehicle components.
Diagnostics:
Engine codes, sensor data interpretation, electrical system diagnostics.
Wiring Schematics:
Comprehensive electrical wiring diagrams for all vehicle systems.
Depth:
Highly detailed, suitable for professional mechanics and experienced DIY enthusiasts. Covers everything from basic maintenance to complete engine and transmission overhauls, including electrical system diagnostics and repair.
Oil Change Interval:
Typically 7,500 km or 6 months, whichever comes first. Check manual for specific engine/oil type.
Transmission Fluid Change:
Recommended every 40,000-60,000 km for automatic transmissions. Manuals typically longer.
Engine Oil:
Refer to manual for specific viscosity grade (e.g., 5W-30, 10W-40) and API service classification based on engine and climate.
Coolant:
Ethylene glycol-based coolant, typically a green or orange type depending on the formulation used at the time. Proper mix ratio with distilled water is crucial.
Brake Fluid:
DOT 3 or DOT 4 brake fluid.
Power Steering Fluid:
Specific power steering fluid or Dexron-III ATF depending on system design.
Common Wear Items:
Radiator hoses, fuel pump, thermostat, water pump, suspension bushings, exhaust system components, interior trim degradation.
V6 Issues:
Intake manifold gasket leaks (especially on earlier 3.8L non-Ecotec V6), oil leaks, potential for head gasket issues if overheated.
Supercharger Issues:
Belt slippage, tensioner wear on supercharged Ecotec (L67).
V8 Issues:
Oil leaks, potential for distributor housing leaks on Gen III V8s.
Transmission Issues:
Transmission fluid leaks, torque converter shudder, worn clutch packs in automatics if not maintained.