Engine Mechanical:
Engine assembly, disassembly, internal components, cooling system, lubrication system, fuel delivery, exhaust system
Engine Performance:
Engine control systems (ECM), ignition system, emissions control systems, diagnostics and testing
Transmission:
Automatic transmission (6T75/6T75E) service, repair, overhaul, diagnostics, fluid specifications
Drivetrain:
Front-wheel drive (FWD) and all-wheel drive (AWD) systems, half-shafts, differentials, transfer case (if applicable)
Suspension:
Front and rear suspension systems, shock absorbers, struts, control arms, bushings, alignment specifications
Steering:
Power steering system, steering column, steering gear/rack, tie rods, power steering fluid
Brakes:
Brake system (disc front/rear), ABS, EBD, brake lines, calipers, rotors, pads, brake fluid specifications, bleeding procedures
Electrical System:
Battery, charging system (alternator), starting system (starter motor), wiring diagrams, fuses, relays
Body Interior:
Interior trim removal and installation, seats, dashboard, door panels, headliner, carpets
Body Exterior:
Body panels, doors, hood, liftgate, bumpers, glass, mirrors, exterior trim
HVAC:
Heating, Ventilation, and Air Conditioning (HVAC) system, climate control, refrigerant, components
Safety Systems:
Airbag system, seat belts, child restraint systems
Infotainment:
Audio system, navigation system (if equipped), display screens, connectivity features (e.g., Bluetooth)
Lighting:
Headlights, taillights, interior lighting, fog lights, bulb replacement
Diagnostic Troubleshooting:
Diagnostic Trouble Codes (DTCs), symptom-based troubleshooting, electrical diagnostics
Routine Maintenance:
Oil changes, filter replacements, fluid checks and top-offs, tire rotation, brake inspection
Component Replacement:
Replacement of wear items like spark plugs, belts, hoses, batteries, brake pads/rotors
Major Repairs:
Engine overhaul, transmission rebuild, suspension component replacement, steering system repair
Electrical Diagnostics:
Troubleshooting electrical faults, component testing, wiring harness repair
Body Repair:
Dent repair, panel replacement, glass replacement, trim repair
Troubleshooting Guides:
Step-by-step guides for diagnosing common problems and their solutions
Depth:
Comprehensive, from basic maintenance to complex diagnostics and full rebuilds
Detail Level:
Hundreds of pages with detailed photos & diagrams, exploded views, step-by-step instructions
Oil Change Interval:
7,500 miles or 6 months, or as indicated by the Oil Life Monitor system.
Tire Rotation Interval:
7,500 miles or 6 months
Transmission Fluid Change:
Recommended every 60,000 to 100,000 miles, or as per severe driving conditions and manual recommendations.
Coolant Flush:
First flush at 150,000 miles, then every 50,000 miles thereafter (GM Super Coolant).
Spark Plug Replacement:
Approximately 100,000 miles for iridium-tipped spark plugs.
Power Steering Fluid:
Dexron III or equivalent (check manual for specific P/N, later models may use a different specification).
Brake Fluid:
DOT 3 (or DOT 4, check manual for specific recommendation)
Timing Chain Wear:
Some early 3.6L V6 engines (LLT) experienced timing chain issues, though often addressed under warranty or by TSBs.
Transmission Harshness:
Occasional reports of harsh shifting or transmission shudder, often resolvable with software updates or fluid changes.
Power Steering Pump:
Potential for leaks or pump failure in some instances.
HVAC Blend Door Actuators:
Common issue across many GM vehicles where blend door actuators can fail, affecting climate control.