Engine Mechanical:
Detailed procedures for engine disassembly, assembly, overhaul, timing, and component inspection.
Fuel Systems:
Covers fuel injection systems, fuel pump, injectors, fuel pressure testing, evaporative emission control (EVAP).
Cooling Systems:
Radiator, water pump, thermostat, cooling fan operation, coolant specifications, leak testing.
Lubrication:
Oil pump, oil filter, oil pressure, oil change procedures, fluid specifications.
Ignition:
Spark plugs, ignition coils, ignition timing, diagnostic procedures for ignition system faults.
Starter Charging:
Starter motor operation, testing, and replacement; alternator operation, testing, and replacement; battery specifications.
Transmission Manual:
Clutch operation, hydraulic system, manual gearbox disassembly, assembly, and repair.
Transmission Automatic:
Automatic transmission operation, fluid specifications, diagnostic procedures, component testing, overhaul information.
Suspension Axle:
Front and rear suspension components, alignment specifications, wheel bearing service, axle shaft inspection.
Brake:
Disc brake systems, drum brake systems (if applicable), ABS system operation, hydraulic components, bleeding procedures, specifications.
Steering:
Power steering system, steering gear/rack and pinion, tie rods, steering column, alignment specifications.
Restraint System:
Airbag system operation, SRS components, diagnostic procedures, seat belt service.
Body Electrical:
Lighting systems, power windows, power locks, mirrors, wipers, horn, central locking, interior/exterior lighting diagnostics.
Body:
Body panel repair, door mechanisms, interior trim, glass replacement, weatherstripping.
Air Conditioning:
HVAC system operation, refrigerant specifications, component testing, charging procedures, diagnostic troubleshooting.
Emission Control:
Emissions system components, EGR system, catalytic converter, diagnostic trouble codes (DTCs) related to emissions.
Electrical Wiring Manual:
Comprehensive wiring diagrams for all electrical systems, component locations, connector pinouts, troubleshooting guides.
Diagnostics:
Step-by-step diagnostic procedures for identifying and resolving common and complex faults across all vehicle systems, including use of diagnostic tools and reading DTCs.
Maintenance:
Scheduled maintenance tasks, fluid level checks, filter replacements, lubrication, inspection points, and recommended intervals.
Repair Rebuild:
Detailed instructions for component removal, disassembly, cleaning, inspection, repair, and reassembly for major mechanical and electrical components.
Troubleshooting:
Flowcharts and symptom-based troubleshooting guides for diagnosing issues ranging from starting problems to electrical gremlins.
Specifications:
Torque specifications for critical fasteners, clearances, fluid capacities, electrical values, and performance data.
Installation Replacement:
Guidelines for the proper installation and replacement of various parts and components.
Depth:
Factory-level technical information, suitable for professional mechanics and advanced DIY enthusiasts. Covers everything from basic maintenance to complex component overhauls and system diagnostics.
Oil Change Interval:
Typically every 3,000-5,000 miles or 3-6 months, depending on driving conditions and oil type used. Consult manual for specific recommendations.
Transmission Fluid Change:
Recommended every 30,000-50,000 miles or as per severe service schedule.
Spark Plug Replacement:
Varies by plug type; iridium plugs can last up to 100,000 miles, while standard plugs may need replacement around 30,000-60,000 miles. Check manual for specific engine.
Engine Oil Spec:
SAE 5W-30 recommended for most engines. Check owner's manual for specific viscosity and API service classification (e.g., API SN or newer).
Coolant Spec:
GM specified orange or pink long-life coolant (50/50 mixture with distilled water). Check manual for specific type and capacity.
Brake Fluid Spec:
DOT 3 brake fluid.
Common Problems:
Intake manifold gasket leaks (3.1L V6), power steering pump leaks, sagging headliners, HVAC blower motor issues, occasional transmission control module (TCM) problems, catalytic converter issues.
Diagnostic Focus Areas:
Oil leaks, coolant leaks, ABS sensor faults, check engine light due to EVAP or oxygen sensor issues.