Engine Mechanical:
Engine assembly, cylinder head, crankshaft, pistons, connecting rods, timing system, lubrication system, cooling system, exhaust system.
Engine Performance:
Fuel injection system, ignition system, emission controls, engine diagnostics, performance tuning.
Transmission Drivetrain:
Automatic transmission (e.g., 6T70/6T75), manual transmission (if applicable), differential, axles, driveshafts, transfer case (if applicable).
Brakes:
Brake system components (master cylinder, calipers, rotors, pads), ABS, EBD, traction control, parking brake, hydraulic lines.
Suspension Steering:
Front and rear suspension components (struts, shocks, control arms, ball joints, bushings), power steering system, steering column, wheel alignment.
Electrical Electronic:
Battery, charging system, starting system, lighting system, instrument cluster, body control module (BCM), comfort and convenience systems.
HVAC:
Heating, ventilation, and air conditioning (HVAC) system, climate control, refrigerant service, blower motor, evaporator, condenser.
Body Exterior:
Body panels, doors, hood, trunk, bumpers, glass, mirrors, weatherstripping, paint and coatings.
Body Interior:
Interior trim, seats, airbags, seat belts, dashboard, center console, headliner, sound insulation.
Chassis Frame:
Frame construction, underbody components, noise, vibration, and harshness (NVH) control.
Powertrain Control Module:
Engine Control Module (ECM) and Transmission Control Module (TCM) functions, diagnostics, and component identification.
Body Electrical Comfort:
Power windows, power locks, remote keyless entry, cruise control, power seats, interior lighting, exterior lighting.
Safety Restraint System:
Airbag system operation, diagnosis, sensor locations, and module replacement procedures.
Maintenance Procedures:
Scheduled maintenance, oil changes, filter replacements, fluid checks and top-offs, tire rotation, spark plug replacement, battery service.
Repair Procedures:
Component removal and installation, diagnostic troubleshooting, system calibration, replacement of worn or damaged parts.
Troubleshooting Diagnostics:
Diagnostic trouble codes (DTCs), symptom-based diagnostics, electrical circuit analysis, component testing.
Wiring Diagrams:
Detailed electrical schematics for all vehicle systems, including power distribution, ground points, and component connections.
Specifications Data:
Torque specifications, clearances, fluid capacities, diagnostic parameters, alignment settings.
Diagnostic Tools Software:
Information pertaining to the use of GM's factory diagnostic equipment (e.g., Tech 2 or Global A diagnostic platform) and related software for advanced troubleshooting and module programming.
Recalibration Procedures:
Procedures for recalibrating sensors (e.g., steering angle sensor, tire pressure monitoring system) after component replacement or alignment.
Depth:
Factory-level detail, suitable for professional technicians and advanced DIY enthusiasts. Covers everything from basic maintenance to complete system overhauls and complex diagnostics.
Oil Change Interval:
Typically 7,500 miles or 12 months with synthetic oil, or as indicated by the Oil Life Monitoring System.
Air Filter Replacement:
Approximately 45,000 miles or as needed based on driving conditions.
Cabin Air Filter Replacement:
Approximately 24,000 miles or annually.
Engine Oil Specification:
SAE 5W-30, API SN certified, dexos1™ approved synthetic blend or full synthetic.
Coolant Specification:
GM P/N 12346290 (Blue), or equivalent extended life (OAT) coolant, mixed 50/50 with distilled water.
Transmission Fluid Specification:
Dexron VI (GM P/N 88861950 or 19353465)
Brake Fluid Specification:
DOT 3 or DOT 4 (GM P/N 12377973 or equivalent)
Common Issues 2013 Impala:
Some reports of premature wear on certain suspension components (e.g., control arm bushings), occasional issues with the infotainment system, and potential for oil leaks from valve cover gaskets or oil pan seals on higher mileage vehicles.
