Target Audience:
DIY enthusiasts, independent repair shops, fleet maintenance personnel
Advantage:
Convenient online access, factory-derived data, cost-effective compared to printed manuals or dealership services
Data Source:
RepairSurge, licensed OE materials
Searchability:
Push-button information access
Engine:
Detailed diagnosis, repair, and overhaul of powertrain components
Drivetrain:
Front and rear axle, driveshafts, differentials, transfer case, and propeller shafts
Brakes:
ABS, traction control, brake calipers, rotors, pads, lines, and master cylinder service
Suspension:
Front and rear suspension, shock absorbers, springs, control arms, ball joints, and wheel bearings
Steering:
Power steering system, steering gear, steering column, and linkage
Electrical:
Complete wiring diagrams, diagnostic procedures for all electrical components, ECU, sensors, and actuators
HVAC:
Air conditioning system, heater core, blower motor, climate control module, and refrigerant service
Body:
Body panel removal and installation, interior trim, doors, windows, locks, and exterior lighting
Chassis:
Frame, chassis components, and body mountings
Maintenance:
Routine maintenance schedules, fluid changes, filter replacements, inspections
Troubleshooting:
Diagnostic flowcharts and procedures for common and intermittent faults
Repair:
Step-by-step repair instructions for all major vehicle systems
Disassembly Assembly:
Detailed procedures for component removal and reinstallation
Specifications Tolerances:
Torque specifications, clearances, and alignment data
Wiring Diagrams:
Comprehensive electrical schematics for all vehicle systems
Depth:
Factory-level diagnostic and repair procedures
Compatibility:
PC, laptop, smartphone, tablet (requires internet and web browser)
Print Quality:
N/A (Digital Format)
Binding Type:
N/A (Digital Format)
Paper Type:
N/A (Digital Format)
Licensing:
Officially Licensed, derived from OE materials
Access Duration:
1 Year (with discounts for renewal)
Engine Code:
V8 (Specific engine variants like 6.0L Vortec L76 or 6.2L Vortec L92 are common for 2500 models)
Engine Type:
Vortec V8, Overhead Valve (OHV) or Overhead Cam (OHC) depending on specific L-series engine
Displacement:
Typically 6.0L (364 cu in) or 6.2L (376 cu in)
Horsepower:
Approx. 350-380 hp (depending on specific engine)
Torque:
Approx. 370-400 lb-ft (depending on specific engine)
Fuel Delivery:
Multi-port Fuel Injection (MPFI) or Direct Injection (DI) for L92 variants
Fuel Type:
Unleaded gasoline
ECU Type:
ECM (Engine Control Module)
Transmission Type:
6-Speed Automatic (e.g., 6L90)
Transmission Type:
N/A (6-speed automatic was standard for 2500)
Drive Type:
RWD or 4WD (with Autotrac 4WD system)
Fluid Type:
Dexron VI Automatic Transmission Fluid (ATF)
Wheelbase:
130.0 inches (3302 mm)
Length:
222.0 inches (5639 mm)
Width:
79.1 inches (2009 mm)
Height:
75.7 inches (1923 mm)
Cargo Volume Behind 3Rd Row:
Approx. 45.8 cu ft
Cargo Volume Behind 2Nd Row:
Approx. 97.1 cu ft
Cargo Volume Behind 1St Row:
Approx. 137.5 cu ft
Curb Weight:
Approx. 5,400 - 5,800 lbs (2450 - 2630 kg) depending on configuration
Gvwr:
8,500 lbs (3856 kg)
Towing Capacity:
Up to 9,500 lbs (4309 kg) with appropriate towing package
Wheel Size:
Standard 17-inch or optional 18-inch or 20-inch alloy wheels
Bolt Pattern:
6 x 139.7 mm (6 x 5.5 inches)
Tire Size Standard:
P265/70R17 (or similar LT-metric equivalent for 2500)
NHTSA Rollover Resistance:
4-star rating (typical for this era and type of vehicle)
Traction Control:
Standard
Electronic Stability Control:
StabiliTrak (Standard on most trims)
Anti Lock Brakes:
4-wheel disc ABS (Standard)
Airbags:
Frontal airbags for driver and passenger, optional side-impact and curtain airbags
Oil Change Interval:
Every 7,500 miles or 6 months (under normal driving conditions)
Tire Rotation:
Every 7,500 miles
Transmission Fluid Change:
Every 45,000-100,000 miles, depending on driving conditions and fluid analysis (refer to manual for specifics)
Spark Plug Replacement:
Approx. 100,000 miles (for iridium-tipped plugs)
Engine Oil Type:
SAE 5W-30 Synthetic Blend or Full Synthetic (API SN/SP)
Engine Oil Capacity:
Approx. 6.0 - 7.0 quarts (5.7 - 6.6 liters) depending on engine
Coolant Type:
Dex-Cool (GM P/N 12346290 or equivalent orange long-life coolant)
Common Problems:
Active Fuel Management (AFM) lifter issues, transmission torque converter shudder, dashboard crackling/squeaking, potential for fuel pump failure
Recall Information:
Refer to NHTSA website for specific recalls applicable to the VIN
Brand Focus:
GMC trucks and SUVs known for professional grade and capability
Generation:
Second Generation (GMT900 platform, 2007-2013)
Body Style Evolution:
XL variant denotes extended wheelbase for maximum cargo and passenger capacity
Manufacturing Location:
USA (e.g., Arlington, Texas Assembly Plant)
