Engine Mechanical:
Engine assembly, cylinder head, block, pistons, crankshaft, camshafts, valve train, lubrication, cooling system, fuel injection system, exhaust system
Engine Performance:
Engine tuning, diagnostics, emissions control systems
Transmission:
Automatic transmission (e.g., 4L60-E, 4L80-E), manual transmission (if applicable), transfer case, drivetrain components (axles, driveshafts)
Brakes:
Hydraulic system, disc brakes, drum brakes, ABS (Anti-lock Braking System), parking brake
Suspension:
Front suspension (independent, coil springs, torsion bars), rear suspension (leaf springs), shock absorbers, struts, steering knuckles, control arms
Steering:
Power steering system, steering column, steering gear, tie rods, ball joints
Electrical System:
Battery, charging system (alternator), starting system, ignition system, lighting system, instrument cluster, body control module (BCM), powertrain control module (PCM)
HVAC:
Heating, ventilation, and air conditioning (HVAC) system components, refrigerant, controls, blower motor
Body And Frame:
Body panels, doors, hood, tailgate, frame construction, corrosion protection
Chassis:
Frame components, mounting points, fasteners
Wiring Diagrams:
Detailed electrical schematics for all major systems
Maintenance:
Scheduled maintenance, oil changes, filter replacements, fluid checks and changes, spark plug replacement, belt replacement
Troubleshooting:
Diagnostic procedures, symptom-based troubleshooting guides, error code explanations
Repair:
Step-by-step repair instructions for all major vehicle systems, component removal and installation
Overhaul:
Detailed procedures for engine and transmission rebuilds
Diagnostics:
On-board diagnostics (OBD-II) procedures, scan tool usage
Specifications:
Torque specifications, clearances, measurements, diagnostic parameters
Depth:
Comprehensive, from basic maintenance to advanced diagnostics and complete overhauls
Engine Code:
Vortec 6.0L V8 (LQ4)
Displacement:
5967 cc (364 cubic inches)
Horsepower:
300 hp @ 4400 rpm (approximate for 2005 model)
Torque:
370 lb-ft @ 4000 rpm (approximate for 2005 model)
Fuel Delivery:
Multi-point fuel injection (MPFI)
Fuel Type:
87 Octane Unleaded Gasoline
Configuration:
V8, overhead valves (OHV)
Coolant Capacity:
Approx. 16.5 quarts (15.6 liters) with engine block heater
Type:
4-speed automatic transmission
Model:
4L80-E (typically for HD models)
Type:
5-speed manual transmission (less common on HD models)
Drive Type:
Rear-wheel drive (RWD) or Four-wheel drive (4WD)
Automatic Transmission Fluid Capacity:
Approx. 3.0 quarts (2.8 liters) for a pan drop/refill (4L80-E)
Automatic Transmission Fluid Type:
Dexron III/VI compatible (check specific vehicle for Dexron VI)
Wheelbase:
143.5 inches (3645 mm)
Overall Length:
237.7 inches (6038 mm)
Overall Width:
79.7 inches (2024 mm)
Overall Height:
76.1 inches (1933 mm)
Bed Length:
78.8 inches (2002 mm) for the 8-foot bed
Curb Weight:
Approx. 6,000-6,500 lbs (2720-2950 kg), varies by configuration
Gross Vehicle Weight Rating Gvw:
9,900 lbs (4490 kg) or higher
Towing Capacity:
Up to 10,500 lbs (4763 kg), dependent on configuration and towing package
Oil Change Interval:
Every 3,000-7,500 miles (5,000-12,000 km) or 6 months, depending on driving conditions and oil type used (consult manual for specific recommendations).
Engine Air Filter Replacement:
Every 15,000-30,000 miles (24,000-48,000 km) or as needed based on inspection
Spark Plug Replacement:
Typically 100,000 miles (160,000 km) for iridium-tipped plugs.
Transmission Fluid Change:
Every 30,000-100,000 miles (48,000-160,000 km) depending on usage and fluid type (heavy-duty towing may require more frequent changes).
Engine Oil Type:
SAE 5W-30 Synthetic Blend or Full Synthetic (API Certified)
Engine Oil Capacity:
6.0 Liters (6.3 US Quarts) for Vortec 6.0L V8
Coolant Type:
GM Delco-DEX-COOL 50/50 Antifreeze/Coolant (Orange)
Common Problems:
Transmission cooler line leaks, intake manifold gasket leaks, fuel pump failures, rust on body panels, power steering leaks, exhaust manifold cracks.
