Target Audience:
DIY mechanics, professional technicians, fleet managers
Advantage:
Licensed OE data, digital convenience, cost-effectiveness compared to print
Accessibility:
Accessible on PC, laptop, smartphone, tablet with internet connection
Licensing:
Officially licensed, derived from OE materials
Access Duration:
1-year access, with renewal discounts
Searchability:
High (typical of digital manuals)
Engine Mechanical:
Engine overhaul, assembly, disassembly, timing, cooling, lubrication, emissions
Engine Performance:
Fuel delivery, ignition system, diagnostics, troubleshooting
Drivetrain:
Transmission (manual and automatic), clutch, driveshaft, differentials, axles
Brakes:
Hydraulic system, ABS, disc brakes, drum brakes, parking brake
Steering:
Power steering system, steering gear, steering linkage
Suspension:
Front suspension, rear suspension, shock absorbers, springs, steering knuckles
Electrical System:
Battery, charging system, starting system, lighting, instrument cluster, ignition switch
Wiring Diagrams:
Complete electrical schematics for all systems
HVAC:
Heating, ventilation, and air conditioning system diagnosis and repair
Body And Frame:
Body panel repair, frame alignment, doors, windows, interior trim
Chassis And Running Gear:
Frame, chassis components, exhaust system
Maintenance:
Oil changes, filter replacements, fluid checks, tune-ups, lubrication
Troubleshooting:
Diagnostic procedures for all major systems, symptom-based troubleshooting
Repair:
Step-by-step repair instructions for all components and systems
Diagnostics:
OBD-II diagnostics, fault code interpretation, sensor testing
Overhaul And Rebuild:
Detailed instructions for engine, transmission, and other major component overhauls
Depth:
Expert Level (covering factory-level diagnostics and repair)
Detail Level:
High (including torque specifications, clearances, and diagnostic parameters)
Engine Options:
4.3L V6 Vortec (L35), 5.0L V8 Vortec (L30), 5.7L V8 Vortec (L31)
Engine Displacement 4.3L:
4.3 Liters (262 cubic inches)
Engine Displacement 5.0L:
5.0 Liters (305 cubic inches)
Engine Displacement 5.7L:
5.7 Liters (350 cubic inches)
Horsepower 4.3L:
Approx. 160-165 hp
Torque 4.3L:
Approx. 235-240 lb-ft
Horsepower 5.0L:
Approx. 190-195 hp
Torque 5.0L:
Approx. 260-265 lb-ft
Horsepower 5.7L:
Approx. 200-215 hp
Torque 5.7L:
Approx. 300-315 lb-ft
Fuel Injection:
Multi-port Fuel Injection (MPFI)
Fuel Type:
Unleaded gasoline
Transmission Type:
4-speed Automatic (e.g., 4L60-E)
Transmission Type Optional:
5-speed Manual (e.g., NV3500)
Drivetrain:
Rear-Wheel Drive (RWD), Optional All-Wheel Drive (4WD - typically for 2500HD variants, but some 2WD C2500 had 4WD options)
Oil Change Interval:
Typically 3,000 - 7,500 miles (5,000 - 12,000 km) or 6 months, depending on oil type and driving conditions. Consult manual for specific recommendation.
Transmission Fluid Interval:
Inspect every 15,000 miles, fluid and filter change recommended every 30,000 - 60,000 miles. Consult manual.
Engine Oil Spec 4.3L/5.0L:
API SG or higher, SAE 5W-30 or 10W-30 (consult manual for exact viscosity based on temperature).
Engine Oil Spec 5.7L:
API SG or higher, SAE 5W-30 or 10W-30 (consult manual for exact viscosity based on temperature).
Transmission Fluid Type:
Dexron III/Mercon automatic transmission fluid.
Coolant Type:
Ethylene glycol-based coolant (green type) meeting GM specifications.
Intake Manifold Gaskets:
Premature failure of intake manifold gaskets, leading to coolant leaks and potential vacuum leaks.
Rear Main Seal:
Leaking rear main crankshaft seal.
ABS Sensors:
Failure of ABS wheel speed sensors.
Window Motors:
Power window motor failures.
Gmc Truck Legacy:
GMC has a long history of producing reliable trucks, known for durability and capability.
Gmt400 Platform:
Part of the highly successful GMT400 platform, introduced in 1988, known for its improved ride and modern styling.
Manufacturing Locations:
General Motors assembly plants in North America (e.g., Fort Wayne, Indiana; Oshawa, Ontario).