Target Audience:
Do-it-yourselfers (DIYers) and professional automotive technicians
Advantage Over Print:
More convenient, less expensive, instant access, searchable
Access Method:
Online, web-browser based
Data Accuracy:
Factory-derived, accurate information
Cost Savings:
Enables significant cost savings on vehicle repairs
Primary Coverage:
Service and Repair
Secondary Coverage:
Maintenance, Diagnostics, Troubleshooting
Estimated Pages:
Extensive (Software-based, not fixed page count)
Type:
Digital Service and Repair Manual
Format:
Software Application (Web-based Access)
Engine:
All gasoline and diesel engine variants
Drivetrain:
Transmission (automatic and manual), Transfer case, Axles, Driveshafts
Suspension:
Front and rear suspension components, shocks, struts, springs, steering linkage
Brakes:
Brake system hydraulics, ABS, Parking brake, Rotor and pad replacement
Electrical:
Wiring diagrams, Fuse box locations, Lighting, Gauges, Body control modules (BCM)
HVAC:
Heating, Ventilation, and Air Conditioning system components and service
Body:
Body panels, Doors, Glass, Seats, Interior trim, Bumpers
Maintenance:
Oil changes, Filter replacements, Fluid checks and changes, Spark plug replacement
Repair:
Component removal and installation, Overhaul procedures, Component replacement
Diagnostics:
Troubleshooting guides, Diagnostic trouble codes (DTCs), Symptom-based diagnostics
Depth:
Factory-level detail, suitable for professional technicians and advanced DIYers
Troubleshooting Approach:
Comprehensive, step-by-step diagnostic flowcharts and procedures
Access Method:
Web Browser Access via Internet Connection
Image Resolution:
High-resolution diagrams and illustrations
Binding:
N/A (Digital Format)
Paper Type:
N/A (Digital Format)
Licensing Status:
Officially Licensed
Data Source:
OE (Original Equipment) Materials
Access Period:
1 Year with discounts for renewal
Device Compatibility:
PC, Laptop, Smartphone, Tablet
Engine Options:
6.0L Vortec V8 (LQ4), 8.1L Vortec V8 (7400 V8), 6.6L Duramax V8 Turbo-Diesel (LLY)
6.0L Vortec V8 Horsepower:
Approx. 300-325 hp (depending on configuration)
6.0L Vortec V8 Torque:
Approx. 360-370 lb-ft (depending on configuration)
8.1L Vortec V8 Horsepower:
Approx. 340 hp
8.1L Vortec V8 Torque:
Approx. 455 lb-ft
6.6L Duramax Lly Horsepower:
Approx. 310 hp
6.6L Duramax Lly Torque:
Approx. 525 lb-ft
Gasoline Injection:
Sequential Fuel Injection (SFI)
Diesel Injection:
High-pressure common rail (HPCR) injection system
Transmission Options:
4-speed automatic (4L80-E, Allison 1000), 5-speed manual (NV4500)
Optional Transmission:
5-speed automatic (Allison 2000/2400 for specific applications)
Allison Transmission Features:
Heavy-duty design, Tow/Haul mode, Electronic controls
Body Styles:
Regular Cab, Extended Cab, Crew Cab
Bed Lengths:
6.5 ft Fleetside, 8 ft Fleetside
Wheelbase Options:
133.0 in (Regular Cab), 143.5 in (Extended Cab), 153.0 in (Crew Cab - standard bed), 167.5 in (Crew Cab - long bed)
Gvwr Range:
9,900 lbs to 11,400 lbs (depending on configuration and axle ratio)
Curb Weight Range:
Approx. 5,800 lbs to 7,000 lbs
NHTSA Rollover Resistance:
Generally good for its class, specific ratings vary by configuration
ABS:
Standard Anti-lock Braking System (ABS)
Towing Features:
Integrated trailer brake controller wiring, Tow/Haul mode
Airbags:
Driver and front passenger airbags
Seatbelts:
Three-point safety belts with pretensioners
Oil Change Interval:
Every 3,000-5,000 miles or 3-6 months, or per oil life monitor system.
Transmission Fluid Change:
Every 45,000-60,000 miles for heavy-duty use, or as per manual.
Engine Oil Gasoline V8:
API Service SG, SH, SJ, SL, SM; SAE 5W-30 (or viscosity recommended by oil life monitor)
Engine Oil Diesel Duramax:
API CI-4/CJ-4 or equivalent; SAE 15W-40 or 5W-40 synthetic for extreme cold.
Coolant:
GM DEX-COOL (Orange) extended life coolant or equivalent.
Transmission Fluid Auto:
Dexron III/VI for 4L80E, Allison TES 295 for Allison transmissions.
Duramax Lly Injector Issues:
Potential injector harness chafing and injector performance issues.
Exhaust Manifold Cracks:
Common on early 6.0L Vortec engines due to heat cycles.
Rear Main Seal Leaks:
Can occur on higher mileage vehicles, especially with manual transmissions.
Brand Identity:
GMC is a division of General Motors focused on trucks and commercial vehicles.
Generation:
Part of the second generation of the redesigned Sierra (GMT800 series, 1999-2006)
Manufacturing Locations:
Fort Wayne Assembly (Indiana), Oshawa Car Assembly (Ontario, Canada)
