Positioning:
Premium heavy-duty truck service and repair solution for owners and independent repair shops.
Competitors:
Direct competitor to OEM service manuals, Haynes, Chilton, and other third-party repair manual providers.
Features:
Officially licensed, factory-derived OE materials, instant online access, multi-device compatibility, comprehensive coverage.
Value:
Cost-effective alternative to dealership service, empowering DIY repairs and reducing labor costs.
General Coverage:
Comprehensive service and repair information for the 2012 GMC Sierra 3500 HD.
Access Duration:
1 Year of access to factory-derived service and repair information.
Type:
Online Service and Repair Manual
Format:
Online Software (accessible via web browser)
Engine:
Detailed diagnosis, repair, and overhaul procedures for all available 2012 Sierra 3500 HD engines.
Drivetrain:
Covers front and rear axles, drive shafts, differentials, and transfer case (if applicable).
Brakes:
Complete brake system service, including ABS, parking brake, and component replacement.
Suspension:
Detailed information on front and rear suspension components, steering system, and alignment.
Steering:
Power steering system diagnosis and repair, including steering column and linkage.
Electrical System:
Extensive coverage of wiring diagrams, component testing, charging system, starting system, and body electrical.
Heating Ventilation Air Conditioning:
HVAC system diagnosis, refrigerant handling, component replacement, and climate control.
Body And Frame:
Information on body panel repair, interior trim, doors, windows, and chassis components.
Maintenance:
Routine maintenance procedures, fluid changes, filter replacements, and lubrication schedules.
Troubleshooting:
Diagnostic trouble codes (DTCs), symptom-based troubleshooting, and repair procedures.
Repair:
Step-by-step repair instructions for all major mechanical and electrical systems.
Diagnostics:
Advanced diagnostic techniques, including use of scan tools and multimeter testing.
Installation:
Procedures for replacing various components and parts.
Depth:
Factory-level detail suitable for professional technicians and experienced DIY enthusiasts.
Access Method:
Web-based, requiring internet connection and web browser compatibility (PC, laptop, smartphone, tablet).
Printability:
Likely printable pages for individual procedures (specifics depend on the platform).
Binding:
N/A (Digital Online Access)
Paper Type:
N/A (Digital Online Access)
Engine Options:
Likely covers the 6.0L V8 Vortec gasoline and the 6.6L V8 Duramax diesel engines.
Horsepower Torque:
Details specific horsepower and torque figures for each engine variant will be within the manual.
Fuel Delivery:
Covers fuel injection systems, fuel pumps, fuel filters, and related components.
Coolant Type:
Manual will specify approved coolant types and capacities (e.g., Dex-Cool).
Oil Capacity:
Manual will detail engine oil capacity and viscosity grades (e.g., SAE 5W-30 for gasoline, 15W-40 for diesel).
ECU Calibration:
Information on Engine Control Unit (ECU) diagnostics and potential recalibration procedures.
Transmission Options:
Likely includes coverage of the Allison 1000 6-speed automatic transmission (standard on many HD models).
Manual Transmission:
If available, manual transmission service information would also be included.
Transmission Fluid Spec:
Specifies the correct type and capacity for transmission fluid (e.g., Dexron VI for Allison).
Torque Converter Service:
Procedures related to torque converter diagnosis and replacement.
Body Styles:
Covers various configurations including Regular Cab, Extended Cab, and Crew Cab with different bed lengths.
Curb Weight:
Specific curb weight ranges for different configurations will be detailed.
Gvwr:
Gross Vehicle Weight Rating (GVWR) information is crucial for HD trucks and will be covered.
Max Towing Capacity:
Details on maximum towing capacities based on configuration and equipment.
NHTSA Crash Tests:
While the manual focuses on repair, it may reference safety system design principles and related testing standards.
ABS System:
Comprehensive diagnostic and repair procedures for the Anti-lock Braking System (ABS).
Airbag System:
Detailed information on airbag system components, sensors, and replacement procedures.
Audio System Repair:
Information related to the repair and troubleshooting of the factory infotainment and audio systems.
Parking Assist Diagnosis:
Diagnostic procedures for any available parking assist or camera systems.
Bluetooth Pairing Issues:
Troubleshooting for vehicle connectivity features like Bluetooth, if equipped.
Oil Change Interval:
Manual will provide specific mileage/time intervals for oil changes based on driving conditions.
Transmission Service Interval:
Recommended intervals for transmission fluid and filter changes.
Brake Fluid Type:
Specifies the correct DOT fluid specification for the brake system.
Coolant Capacity Type:
Detailed coolant capacity and type for the specific engine.
Power Steering Fluid Type:
Correct fluid type for the power steering system.
Common Faults:
The manual will assist in diagnosing and repairing common issues for this model year, potentially including topics like emissions system performance or fuel injector wear on diesel models.
Air Filter Part Number:
While specific part numbers are not provided here, the manual will list them for air, oil, fuel, and cabin filters.
Gmc Legacy:
GMC has a long history of producing robust trucks and commercial vehicles.
Sierra Hd Lineage:
The Sierra HD line is a continuation of GMC's dedication to heavy-duty truck capabilities.
Manufacturing Location:
2012 Sierra models were primarily manufactured in North America (e.g., Fort Wayne, Indiana; Silao, Mexico).
