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Manual Coverage
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Systems Covered
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Powertrain:
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Engine mechanical, fuel system, throttle body, cooling system, lubrication system, exhaust system
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Chassis:
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Suspension (front & rear), steering system, braking system (ABS included), driveline, wheels, tires
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Electrical:
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Wiring diagrams, lighting, instrumentation, power accessories, starting and charging system, ignition system, body control modules, infotainment
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Body:
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Body construction, exterior panels, interior trim, doors, windows, seats, HVAC system
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Procedures Included
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Maintenance:
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Scheduled maintenance, fluid changes (oil, coolant, brake fluid, power steering fluid, transmission fluid), filter replacements, inspections
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Repair:
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Engine rebuilds, transmission overhaul, suspension component replacement, brake system repair, electrical diagnostics and repair, body panel repair
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Troubleshooting:
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Diagnostic procedures for common and uncommon faults, fault code interpretation, symptom-based troubleshooting guides
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Diagnostics:
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On-Board Diagnostics (OBD-II) system, diagnostic trouble codes (DTCs), scan tool usage, component testing
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Technical Depth
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Depth:
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Comprehensive from basic maintenance to complete disassembly and reassembly, including advanced diagnostics and specifications.
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Engine Specifications
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Primary Engine
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Engine Options:
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Likely covers the 3.8L V6 (L36/L67 Supercharged) and 5.7L V8 (LS1) engines common to the Commodore platform.
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Performance
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Horsepower Torque 3.8L V6:
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L36: Approx. 150-170 kW (201-228 hp), L67 Supercharged: Approx. 170-180 kW (228-241 hp)
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Horsepower Torque 5.7L V8 Ls1:
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Approx. 245-255 kW (328-342 hp)
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Fuel System
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Injection Type:
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Multi-point fuel injection (MPFI) for V6, Sequential Fuel Injection (SFI) for V8.
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Engine Management
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ECM Type:
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Likely Delco Electronics or ACDelco Engine Control Modules (ECMs)
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Maintenance
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Service Intervals
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Oil Change Interval:
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Typically every 10,000-15,000 km or 12 months, whichever comes first.
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Coolant Change Interval:
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Initial change at 5 years, then every 2-3 years or 40,000-60,000 km.
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Fluid Specifications
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Engine Oil Specification:
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API SG/SH/SJ or higher, viscosity typically 5W-30 or 10W-30 (refer to manual for specific engine).
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Coolant Type:
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GM-spec coolant (orange coloured) or equivalent to protect against corrosion and freezing.
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Known Issues
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Common V6 Issues:
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Intake manifold gasket leaks, balancer shaft seal leaks, spark plug blowouts (early 3.8L), water pump issues.
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Common V8 Ls1 Issues:
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Cracked exhaust manifold, oil cooler line leaks (if fitted), piston slap (cold start), valve seal issues.
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Common Transmission Issues:
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Torque converter shudder, transmission fluid leaks, potential for overheating in heavy-duty use.
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Parts Identification
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Filter Part Numbers:
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Oil filter, air filter, fuel filter part numbers specific to engine and year, detailed in manual.
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