Engine Mechanical:
Detailed diagnosis, disassembly, inspection, repair, and assembly of all engine components (e.g., cylinder head, pistons, crankshaft, camshafts, valve train).
Engine Performance:
Fuel delivery, ignition system, emissions control, cooling system, lubrication system, engine diagnostics, performance tuning.
Transmission Manual:
Diagnosis, disassembly, inspection, repair, and assembly of manual transmissions, including clutch system.
Transmission Automatic:
Diagnosis, overhaul, repair, and troubleshooting of automatic transmissions, including torque converter, valve body, and electronic controls.
Drivetrain:
Front-wheel drive axle shafts, CV joints, differential assembly, wheel bearings.
Suspension:
Front and rear suspension components, shock absorbers, struts, control arms, bushings, alignment specifications.
Steering:
Power steering system diagnosis and repair, steering gear, tie rods, steering column.
Brakes:
Front and rear disc/drum brake systems, ABS (Anti-lock Braking System) diagnosis and repair, brake fluid specifications, master cylinder, calipers, wheel cylinders.
Electrical System:
Battery, starting system, charging system (alternator), wiring diagrams, fuses, relays, lighting systems.
Engine Control System:
ECM/PCM (Engine Control Module/Powertrain Control Module) diagnostics, sensor inputs (e.g., crankshaft position, camshaft position, MAP, MAF, O2), actuator outputs.
Body And Trim:
Interior trim removal and installation, exterior trim, doors, windows, locks, mirrors, bumpers, hoods, trunk lid.
HVAC:
Heating, Ventilation, and Air Conditioning (HVAC) system diagnosis and repair, refrigerant types, components (compressor, condenser, evaporator).
Restraints:
Airbag system diagnosis and repair, seat belts, SRS module.
Body Control Module:
Diagnosis and repair of BCM functions, including interior/exterior lighting, power locks, windows, and instrument cluster.
Scheduled Maintenance:
Detailed maintenance schedules for oil changes, filter replacements, fluid checks and changes, spark plugs, belts, hoses, etc.
Troubleshooting:
Systematic diagnostic procedures for identifying and resolving common and uncommon faults, including symptom-based troubleshooting guides.
Repair Procedures:
Step-by-step instructions for component removal, installation, and adjustment for all vehicle systems.
Torque Specifications:
Precise torque values for all fasteners and critical components.
Special Tools:
Identification and usage of specialized tools required for specific repairs.
Wiring Diagrams:
Comprehensive electrical wiring schematics for all vehicle systems, aiding in diagnosis and repair.
Diagnostic Trouble Codes:
Explanation of OBD-II (On-Board Diagnostics II) codes, their meaning, and associated diagnostic procedures.
Component Testing:
Methods for testing the functionality of individual electrical and mechanical components.
Alignment Procedures:
Front and rear wheel alignment specifications and adjustment procedures.
Depth Of Coverage:
Complete rebuilds and overhaul procedures for major components.
Diagnostic Capability:
Advanced diagnostic strategies and troubleshooting for complex electronic and mechanical issues.
Data Availability:
Includes specifications for tolerances, clearances, fluid capacities, electrical resistance, and voltage measurements.
Oil Change Interval:
Every 7,500 miles or 6 months (using synthetic oil), or 3,000 miles/3 months (using conventional oil), check manual for specifics based on driving conditions.
Coolant Flush:
Every 60,000 miles or 5 years (using Dex-Cool coolant).
Spark Plug Replacement:
Every 100,000 miles for iridium-tipped spark plugs (Ecotec engines).
Engine Oil Spec:
SAE 5W-30 Synthetic (API certified), Dexos compliant if available/specified.
Coolant Spec:
GM P/N 12378550 (Orange Dex-Cool Extended Life Coolant) or equivalent.
Brake Fluid Spec:
DOT 3 brake fluid.
Transmission Fluid Manual:
GM Manual Transmission Fluid (MTF) P/N 12346003 or equivalent.
Transmission Fluid Automatic:
Dexron III / Dexron VI Automatic Transmission Fluid (ATF).
Common Problems Engine:
Ecotec engines can be prone to oil consumption issues, valve cover gasket leaks, and occasional ignition coil failures.
Common Problems Suspension:
Worn control arm bushings, strut mount bearings, and tie rod ends are common wear items.
Common Problems Electrical:
Window regulator failures, power lock actuator issues, and sometimes instrument cluster problems.
Common Problems HVAC:
Blend door actuator failures and AC system leaks are not uncommon.