Target Audience:
Do-it-yourself owners and professional mechanics
Advantage:
Provides the same technical information as used in local service repair shops
Ease Of Use:
Easy to read text, step-by-step instructions, and highly detailed diagrams
Accessibility:
Instant access download, usable on smart devices for on-the-trail repairs
Detail Level:
Exploded pictures and diagrams for clear visualization of assembly/disassembly
Engine:
Detailed diagnostics, repair procedures, specifications for gasoline and diesel engines
Transmission:
Service and repair for automatic transmissions, including torque converter and associated systems
Drivetrain:
Front and rear differentials, transfer case, driveshafts, CV joints, axles, and hubs
Suspension:
Front and rear suspension components, springs, shocks, control arms, sway bars, and bushings
Steering:
Power steering system, steering gear, steering linkage, and steering wheel assembly
Brakes:
Hydraulic brake system, ABS, brake calipers, rotors, pads, lines, and parking brake
Electrical:
Wiring diagrams, component testing, charging system, starting system, lighting, instrumentation, and accessories
HVAC:
Heating, Ventilation, and Air Conditioning system diagnostics and repair
Fuel:
Fuel tank, fuel pump, fuel lines, fuel filters, and fuel injection systems (if applicable)
Exhaust:
Exhaust manifold, catalytic converter, mufflers, pipes, and hangers
Body:
Exterior body panels, doors, hood, tailgate, bumpers, and interior trim
Chassis:
Frame, body mounts, and underbody components
Maintenance:
Scheduled maintenance, fluid checks and changes, filter replacements, lubrication
Troubleshooting:
Diagnostic charts, symptom-based troubleshooting, common problem identification
Repair:
Step-by-step disassembly and reassembly procedures for all major components
Diagnostics:
Component testing, electrical diagnostics, engine performance diagnostics
Specifications:
Torque specifications, clearances, fluid capacities, electrical values
Alignment:
Wheel alignment procedures and specifications
Tire Replacement:
Tire and wheel service, balancing, and torque specifications
Refrigerant Service:
Air conditioning system refrigerant handling and service
Body Panel Replacement:
Procedures for removing and installing exterior body panels
Interior Trim Removal:
Guidance on removing and reinstalling interior trim pieces
Depth:
Comprehensive, from basic maintenance to complete engine/transmission rebuilds and complex electrical diagnostics
Engine Options:
6.5L (395 cu in) GM 6.5L Turbo Diesel (L65/L56), 5.7L (350 cu in) GM Vortec V8 gasoline (L31)
Diesel Horsepower:
195 hp @ 3400 rpm (approximate)
Diesel Torque:
430 lb-ft @ 1800 rpm (approximate)
Gasoline Horsepower:
255 hp @ 4600 rpm (approximate)
Gasoline Torque:
330 lb-ft @ 3200 rpm (approximate)
Diesel Fuel System:
Indirect Injection, Bosch VE Rotary Injection Pump (some models), Stanadyne DB2
Gasoline Fuel System:
Electronic Fuel Injection (EFI)
Gasoline Block:
Cast Iron
Length:
Approximately 201.5 inches (varies slightly by body style)
Width:
Approximately 87.2 inches
Height:
Approximately 79.3 inches
Curb Weight:
Approximately 7,000 - 7,700 lbs (varies by configuration)
Gross Vehicle Weight Rating:
Approximately 9,200 - 10,000 lbs
Oil Change Interval Diesel:
Typically every 3,000-5,000 miles or 6 months, depending on severe vs. normal use
Oil Change Interval Gasoline:
Typically every 3,000-5,000 miles or 6 months
Transmission Fluid Interval:
Check every 30,000 miles, change every 60,000 miles or as needed
Engine Oil Diesel:
API CD/CE/CF-4 or CI-4 rated, 15W-40 or 5W-40 (synthetic) depending on climate
Engine Oil Gasoline:
API SJ/SL rated, 10W-30 or 5W-30 (synthetic) depending on climate
Transmission Fluid:
Dexron III-H or equivalent
Coolant:
Ethylene glycol-based coolant, 50/50 mix with distilled water
Common Problems:
Duramax Diesel variants (later years) prone to head gasket issues (though less common in 2002 models), vacuum pump leaks, glow plug issues (diesel), potential for drivetrain component wear due to heavy use
