Target Audience:
DIY enthusiasts, independent repair shops, GMC Sierra 1500 HD owners
Advantages Over Print:
Easier navigation, searchable content, multimedia integration (potentially), instant access, lower cost compared to some printed manuals
Licensing:
Officially licensed, derived from OE (Original Equipment) materials
Information Source:
Factory-derived
Usability:
Push-button access, user-friendly interface
Primary Coverage:
Mechanical, Electrical, Body, Chassis, and Maintenance
Specific Systems:
Engine, Transmission, Drivetrain, Brakes, Steering, Suspension, HVAC, Fuel System, Exhaust System, Electrical System, Lighting, Body Panels, Interior Components
Estimated Pages:
Thousands (as software)
Type:
Service and Repair Manual Software
Access Duration:
1 Year (with renewal options)
Compatibility:
PC, Laptop, Smartphone, Tablet (via web browser)
Engine Mechanical:
Engine assembly, cylinder heads, pistons, crankshaft, camshafts, timing, lubrication system, cooling system
Engine Performance:
Ignition system, fuel injection, emissions control, engine diagnostics
Transmission Drivetrain:
Automatic transmission (4L80-E), transfer case, drive axles, propeller shafts, differentials
Brakes:
Front and rear disc brakes, ABS system, hydraulic system, parking brake
Steering:
Power steering system, steering column, steering gear
Suspension:
Front independent suspension (torsion bar), rear leaf spring suspension, shocks, struts, control arms
Electrical System:
Battery, charging system, starting system, lighting, instrument cluster, body control modules, comfort and convenience features
HVAC:
Air conditioning system, heater, climate control
Fuel System:
Fuel tank, fuel pump, fuel lines, fuel injectors
Exhaust System:
Exhaust manifolds, catalytic converter, mufflers, exhaust pipes
Body Panels:
Hood, fenders, doors, bumpers, tailgate, glass, interior trim
Maintenance:
Oil changes, filter replacements, fluid checks and changes, spark plug replacement, belt replacement
Troubleshooting:
Diagnostic procedures, common fault codes, step-by-step diagnostic guides
Repair:
Component removal and installation, rebuilding procedures, calibration
Installation:
Accessory installation, component upgrades
Depth:
Comprehensive (from basic maintenance to complete engine and transmission rebuilds)
Diagnostic Capability:
Detailed electrical schematics, diagnostic trouble codes (DTCs), component testing procedures
Special Tools:
Identification and usage of specialized tools required for specific procedures
Wheelbase Standard:
143.5 inches (3645 mm)
Overall Length Std Bed:
237.6 inches (6035 mm)
Overall Width:
79.7 inches (2024 mm)
Overall Height:
77.0 inches (1956 mm)
Bed Length Std:
78.8 inches (6'7")
Curb Weight Approx:
5,500 - 6,000 lbs (2495 - 2722 kg)
Gvwr Approx:
7,000 - 8,600 lbs (3175 - 3901 kg)
Max Payload Capacity Approx:
2,000 - 3,000 lbs (907 - 1361 kg)
Max Towing Capacity Approx:
10,000 - 12,000 lbs (4536 - 5443 kg)
Oil Change Interval:
Typically 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).
Tire Rotation Interval:
Every 5,000 - 7,500 miles (8,000 - 12,000 km)
Engine Air Filter Replacement:
Every 15,000 - 30,000 miles (24,000 - 48,000 km) or as needed based on inspection.
Spark Plug Replacement:
Platinum-tipped plugs typically last 100,000 miles (160,000 km); consult manual for specific plug type and interval.
Engine Oil Type:
SAE 5W-30 Synthetic Blend or Full Synthetic recommended for Vortec 6.0L V8.
Engine Oil Capacity:
7 Quarts (6.6 Liters) with filter change for 6.0L V8.
Transmission Fluid Type:
Dexron-III/Mercon (or equivalent licensed fluid)
Coolant Type:
GM P/N 12346290 (Orange Long-Life Coolant) or equivalent Dex-Cool compatible coolant.
Power Steering Fluid Type:
GM P/N 1050017 (Power Steering Fluid) or equivalent.
Common Issues Engine:
Intake manifold gasket leaks (minor), occasional oil leaks, spark plug thread issues on some older Vortec engines (though less common on 6.0L compared to smaller displacement).
Common Issues Transmission:
The 4L80-E is generally robust, but potential issues can include solenoid failures or torque converter issues with heavy use.
Common Issues Suspension:
Worn ball joints, tie rod ends, and shock absorbers due to the truck's weight and typical heavy-duty use.
Common Issues Electrical:
Corrosion on ground straps, failing HVAC blower motors, and body control module issues can occur over time.
Brand Focus:
GMC has a long history of producing trucks and commercial vehicles, emphasizing durability and capability.
Sierra Legacy:
The Sierra 1500 HD is part of GMC's long-standing Sierra pickup truck line, evolving from the C/K series.
Gmt800 Platform:
The 2003 Sierra 1500 HD is part of the GMT800 platform, which also underpinned Chevrolet Silverado models. This generation introduced significant improvements in styling, comfort, and capability over its predecessors.
Production Years:
The GMT800 Sierra 1500 HD was produced from 2001 to 2006.
Manufacturing Location:
North American assembly plants (e.g., Fort Wayne, Indiana; Oshawa, Ontario)
