Engine:
Complete engine diagnostics, repair, and overhaul (including specific engine variants for 2007)
Drivetrain:
Transmission (automatic, manual), axles, differentials, driveshafts, and transfer case service and repair
Brakes:
Hydraulic system, ABS, EBD, brake calipers, rotors, pads, lines, and parking brake
Suspension:
Front and rear suspension components, steering linkage, shocks, struts, control arms, and alignment
Steering:
Power steering system, steering column, rack and pinion, and steering assist
Electrical:
Complete wiring diagrams, battery, charging system, ignition, lighting, instrumentation, body control modules (BCM), and diagnostic trouble codes (DTCs)
HVAC:
Heating, ventilation, air conditioning system service, repair, and refrigerant handling
Body Interior:
Body panels, doors, windows, seats, interior trim, and safety systems (airbags, seatbelts)
Chassis:
Frame, body mounting, exhaust system, fuel system (tank, lines, pump, injectors)
Fuel System:
Fuel tank, fuel pump, fuel lines, fuel filter, fuel injectors, and evaporative emissions control (EVAP) system diagnostics and repair.
Exhaust System:
Exhaust manifolds, catalytic converters, mufflers, pipes, and oxygen sensors.
Cooling System:
Radiator, fan, water pump, thermostat, coolant hoses, and heater core.
Emission Controls:
Detailed information on emission control systems, including catalytic converters, EGR systems, and EVAP systems.
Maintenance:
Regular scheduled maintenance, oil changes, fluid checks, filter replacements, and inspections
Troubleshooting:
Diagnostic procedures for common and complex issues, symptom-based troubleshooting guides, and DTC interpretation
Repair:
Step-by-step repair instructions for all major components and systems, including disassembly, reassembly, and adjustments
Installation:
Instructions for component replacement and installation
Diagnostics:
Detailed diagnostic procedures, including testing of sensors, actuators, and control modules
Wheel Alignment:
Specifications and procedures for front and rear wheel alignment.
Battery Replacement:
Procedure for battery removal, installation, and system reset.
Wiper System:
Service and replacement of wiper motor, blades, and linkage.
Lighting System:
Headlight, taillight, brake light, and interior light bulb replacement and troubleshooting.
Key Programming:
Procedures for key fob programming and potentially immobilizer system diagnostics.
Depth:
Factory-level technical information, including specifications, torque values, diagnostic flowcharts, and detailed diagrams
Oil Change Interval:
Typically every 7,500 miles or 6 months under normal driving conditions, or as indicated by the oil life monitoring system.
Tire Rotation:
Recommended every 7,500 miles.
Transmission Fluid Change:
Initially at 100,000 miles under normal service, or sooner under severe service; consult manual for specifics.
Coolant Type:
GMC vehicles typically use a Dex-Cool compliant long-life coolant (orange color), specification GM6277M.
Brake Fluid Type:
DOT 3 or DOT 4 brake fluid.
Engine Idle Control:
Potential issues with Idle Air Control (IAC) valve on some older Vortec engines, though less common on this generation.
Transmission Shifting:
Occasional complaints about harsh shifting or delayed engagement; manual will detail diagnostic steps.
Fuel Pump Module:
Reported failures of the fuel pump module, leading to stalling or no-start conditions.
