Segment:
Full-size pickup truck
Target Audience:
Work trucks, fleet vehicles, personal use trucks, towing, hauling
Key Competitors:
Ford F-150, Ram 1500, Toyota Tundra, Nissan Titan
Vehicle Strengths:
Robust build, powerful engine options, towing capacity, reliability, comfortable interior (for its class)
Manual Value Proposition:
Dealership-level accuracy and completeness, enabling professional-quality repairs and maintenance
Engine:
Full coverage: diagnosis, repair, overhaul, troubleshooting, performance tuning
Transmission:
All automatic and manual transmissions: overhaul, repair, diagnosis, fluid specifications
Drivetrain:
Front-wheel drive, rear-wheel drive, four-wheel drive systems, differentials, axles, driveshafts
Brakes:
Hydraulic, ABS, EBD, traction control systems: diagnosis, repair, component replacement, bleeding procedures
Steering:
Power steering, steering column, steering gear/rack: diagnosis, repair, alignment specifications
Suspension:
Front and rear suspension components, shock absorbers, struts, springs, bushings, alignment specifications
Electrical System:
Battery, charging system, ignition, lighting, power windows, locks, mirrors, sensors, fuses, relays, wiring diagrams
HVAC:
Air conditioning, heating, ventilation system: diagnosis, repair, refrigerant charging, component replacement
Body And Interior:
Body panels, doors, windows, seats, trim, sound system, airbags, interior components
Chassis And Frame:
Frame inspection, repair, corrosion protection
Fuel System:
Fuel tank, pump, injectors, lines, evaporative emissions control
Exhaust System:
Catalytic converter, mufflers, pipes, sensors
Cooling System:
Radiator, water pump, thermostat, hoses, coolant specifications
Safety Systems:
Airbag system diagnosis and repair, seatbelt mechanisms
Diagnostic Tools:
OBD-II diagnostics, specific tool requirements
Maintenance:
Oil changes, filter replacements, spark plugs, tire rotations, fluid checks, belt replacements, brake pad replacement
Repair:
Engine component repair, transmission rebuild, brake caliper replacement, suspension component replacement, electrical diagnostics and repair
Troubleshooting:
Step-by-step diagnostic procedures for common and uncommon issues, symptom-based troubleshooting charts
Overhaul:
Complete engine and transmission overhaul procedures with detailed sub-assembly instructions
Calibration:
Wheel alignment, sensor calibration (e.g., ABS sensors, steering angle sensor)
Disassembly And Assembly:
Detailed instructions for disassembling and reassembling all major vehicle components and systems
Wiring Diagrams:
Comprehensive and detailed wiring schematics for all electrical systems
Torque Specifications:
Exact torque values for all critical fasteners
Special Tools:
Identification and usage of specialized tools required for specific repairs
Depth:
Complete A-Z coverage, suitable for dealership technicians and advanced DIYers
Engine Options:
4.8L V8 (L20), 5.3L V8 (LMF/LMG), 6.0L V8 (L96/LMF/LY6), 6.2L V8 (L94)
Engine Type:
Vortec V8 gasoline engines, some with FlexFuel capability
4.8L V8 Horsepower:
Approx. 302 hp @ 5600 rpm
4.8L V8 Torque:
Approx. 305 lb-ft @ 4600 rpm
5.3L V8 Horsepower:
Approx. 315-326 hp @ 5200-5600 rpm
5.3L V8 Torque:
Approx. 335-348 lb-ft @ 4000-4400 rpm
6.0L V8 Horsepower:
Approx. 360-366 hp @ 5400-5600 rpm
6.0L V8 Torque:
Approx. 380-383 lb-ft @ 4200-4400 rpm
6.2L V8 Horsepower:
Approx. 403 hp @ 5700 rpm
6.2L V8 Torque:
Approx. 417 lb-ft @ 4300 rpm
Fuel Delivery:
Sequential Fuel Injection (SFI)
Fuel Type:
Unleaded Gasoline (FlexFuel variants compatible with E85)
Emission Controls:
Catalytic converter, O2 sensors, EVAP system
Body Styles:
Regular Cab, Extended Cab, Crew Cab
Bed Lengths:
Short Bed (approx. 5'8"), Standard Bed (approx. 6'6"), Long Bed (approx. 8'0")
Wheelbase Range:
143.5 inches to 167.7 inches (depending on cab and bed configuration)
Curb Weight Range:
Approx. 4,500 lbs to 5,800 lbs (depending on configuration)
Gross Vehicle Weight Rating Gvwr:
Ranges from 7,000 lbs to 10,000+ lbs depending on configuration (e.g., 1500, 2500, 3500 series)
Max Towing Capacity:
Up to 10,700 lbs (properly equipped 2500/3500 models)
Max Payload Capacity:
Up to 3,960 lbs (properly equipped 3500 models)
Oil Change Interval:
Typically every 5,000-7,500 miles or 6 months, depending on driving conditions (refer to manual for specific recommendations based on oil type and usage).
Engine Air Filter Replacement:
Approximately every 30,000-45,000 miles, or as needed based on inspection.
Spark Plug Replacement:
Varies by engine type, typically 60,000-100,000 miles for iridium-tipped plugs.
Transmission Fluid Change:
Every 45,000-60,000 miles for heavy-duty use, or 100,000+ miles for normal use (refer to manual). Filter replacement recommended during fluid changes.
Coolant Flush And Replacement:
Approximately every 50,000-100,000 miles or 5 years, depending on coolant type.
Engine Oil Spec:
SAE 5W-30, meeting GM spec GM6094M (or Dexos1 for newer specs if applicable, though typically not for 2012). Verify with manual.
Coolant Spec:
GM P/N 12346131 or 1052855 (Orange coolant), or equivalent Dex-Cool compatible coolant.
Brake Fluid Spec:
DOT 3 or DOT 4
Power Steering Fluid Spec:
Dexron III/VI compatible fluid
Common Wear Items:
Brake pads/rotors, ball joints, tie rod ends, sway bar links, front wheel bearings.
Engine Concern:
AFM (Active Fuel Management) system lifter issues can occur on 5.3L engines, leading to misfires or ticking noises.
Transmission Concern:
Occasional issues with transmission solenoids or torque converter clutch on higher mileage units.
Electrical Concern:
Dashboard illumination issues, HVAC blower motor resistor failures, and power window regulator failures can be reported.