Engine Mechanical:
Detailed diagnosis, repair, overhaul, and specifications for all engines.
Engine Control System:
ECM diagnostics, sensor testing, actuators, fuel injection, ignition timing.
Fuel System:
Fuel pump, injectors, pressure regulator, lines, tank, evaporative emission control.
Emission Control:
Catalytic converter, O2 sensors, EGR system, PCV system, diagnosis of emission faults.
Cooling System:
Radiator, water pump, thermostat, hoses, fan, coolant specifications.
Lubrication System:
Oil pump, oil pan, filter, oil specifications, oil pressure diagnosis.
Ignition Starting Charging:
Spark plugs, coils, battery, alternator, starter motor, wiring schematics.
Automatic Transmission:
Diagnosis, repair, overhaul, fluid specifications, torque converter.
Manual Transmission:
Diagnosis, repair, clutch, flywheel, shift mechanism, fluid specifications.
Drivetrain Axles:
Driveshaft, U-joints, differential, axle shafts, bearings, fluid specifications.
Suspension:
Front and rear suspension components, alignment specifications, shocks, springs.
Steering:
Steering column, steering gear, power steering pump, hoses, diagnosis.
Brakes:
Disc brakes (front and rear), ABS system, brake fluid, caliper and rotor specifications.
Parking Brake:
Operation, adjustment, and repair of the parking brake system.
Climate Control HVAC:
Air conditioning system, heater, blower motor, refrigerant, diagnosis.
Restraint Systems:
Airbags (SRS), seat belts, pre-tensioners, diagnosis and replacement.
Electrical System:
Battery, alternator, starter, fuses, relays, wiring diagrams for all circuits.
Multiplex Can Communication:
CAN bus architecture, module communication, diagnosis of network faults.
Lighting System:
Headlights, taillights, interior lights, fog lights, wiring.
Instrumentation Gauges:
Speedometer, tachometer, fuel gauge, warning lights, diagnosis.
Body Interior:
Door mechanisms, power windows, locks, seats, trim panels, headliner.
Body Exterior:
Hood, doors, fenders, bumpers, spoilers, glass, seals.
Wipers Washers:
Wiper motor, linkage, washer pump, fluid reservoir, wiper blade replacement.
Audio Visual:
Radio, speakers, antenna, diagnostic information for the audio system.
Cruise Control:
System operation, diagnosis, and repair of the cruise control system.
Immobilizer:
Engine immobilizer system operation and troubleshooting.
Maintenance Tasks:
Routine maintenance, fluid changes, filter replacements, tune-ups.
Diagnostic Procedures:
Step-by-step troubleshooting for all systems using factory methods.
Repair Procedures:
Detailed instructions for disassembling, repairing, and reassembling all vehicle components.
Component Replacement:
Instructions for replacing major and minor components.
Electrical Troubleshooting:
Utilizing wiring diagrams to diagnose and repair electrical faults.
Rebuild Instructions:
Comprehensive rebuild procedures for engines and transmissions.
Depth:
Factory-level, technician-grade detail covering all aspects of maintenance, diagnosis, and repair.
Oil Change Interval:
Refer to manual for specific mileage/time interval, typically 3,000-7,500 miles depending on oil type and driving conditions.
Engine Coolant Interval:
Initial change at 5 years or 100,000 miles, then every 2-5 years or 30,000-100,000 miles thereafter, depending on coolant type.
Transmission Fluid Interval:
Refer to manual; generally inspected regularly and changed under severe usage conditions or at specific mileage intervals (e.g., 50,000-100,000 miles).
Engine Oil Type:
SAE 5W-30 or 10W-30 (refer to manual for specific viscosity based on temperature).
Engine Oil Capacity V6:
Approx. 4.5 quarts (4.3 liters) with filter.
Engine Oil Capacity V8:
Approx. 4.5 quarts (4.3 liters) with filter.
Transmission Fluid Type:
Dexron III (ATF)
Coolant Type:
50/50 mix of ethylene glycol antifreeze and deionized water (GM specified).
Common Issues:
Intake manifold gasket leaks (especially on V6 engines), opti-spark issues (on earlier LS1s), potential for cooling system leaks, worn suspension components, rear axle seal leaks.
Electrical Quirks:
Occasional issues with window regulators, door lock actuators, and dashboard warning lights.