Engine Mechanical:
All gasoline engine variants, including disassembly, assembly, inspection, repair, and overhaul of internal components.
Engine Performance:
Engine tuning, diagnostics, troubleshooting for power, fuel economy, and emissions.
Fuel System:
Fuel injection systems (MPI), fuel pump, injectors, fuel pressure, lines, and EVAP system.
Cooling System:
Radiator, water pump, thermostat, coolant flow, fan operation, and diagnosis of overheating.
Exhaust System:
Exhaust manifolds, catalytic converters, mufflers, pipes, and emissions control components.
Transmission Automatic:
4L60E, 4L80E (if applicable to 1500 models), including diagnostics, repair, overhaul, and fluid specifications.
Transmission Manual:
If equipped (e.g., NV3500, NV4500), covering operation, repair, and maintenance.
Drivetrain:
Transfer case operation (4WD), front and rear axles, driveshafts, U-joints, and wheel bearings.
Suspension System:
Front and rear suspension components, alignment specifications, shock absorbers, springs, and control arms.
Steering System:
Power steering pump, steering gear, tie rods, and alignment procedures.
Brake System:
Front disc brakes, rear drum or disc brakes, ABS system, hydraulic lines, calipers, rotors, pads, and bleeding procedures.
Electrical System:
Battery, charging system (alternator), starting system (starter), ignition system, and lighting.
Body Control Module:
BCM diagnostics and programming (if applicable).
Climate Control:
HVAC system operation, diagnosis of blower motor, AC compressor, refrigerant, and heater core.
Interior Electronics:
Instrument cluster, power windows, door locks, mirrors, audio system, and interior lighting.
Exterior Components:
Body panels, doors, hood, tailgate, bumpers, and trim pieces.
Restraint Systems:
Airbag system operation, SRS diagnosis, and seatbelt maintenance.
Diagnostic Trouble Codes:
OBD-II codes, their meaning, and troubleshooting procedures.
Routine Maintenance:
Oil changes, fluid checks, filter replacements, spark plug replacement, and lubrication.
Preventive Maintenance:
Scheduled inspections and replacements based on mileage and time.
Troubleshooting Guides:
Step-by-step diagnostics for common and uncommon problems across all systems.
Component Removal Installation:
Detailed instructions for removing and installing nearly every component.
Engine Rebuilding:
Complete procedures for engine disassembly, cleaning, inspection, machining, and reassembly.
Transmission Overhaul:
Detailed steps for complete disassembly, repair, and reassembly of automatic transmissions.
Brake System Service:
Brake pad/shoe replacement, rotor/drum resurfacing or replacement, caliper service, and brake bleeding.
Electrical Diagnostics:
Wiring diagrams, circuit testing, and troubleshooting of electrical faults.
Suspension Alignment:
Specifications and procedures for wheel alignment.
HVAC Repair:
Diagnosis and repair of air conditioning and heating system faults.
Body And Trim Repair:
Procedures for panel replacement, door adjustments, and interior trim removal.
Torque Specifications:
Precise torque values for all fasteners.
Depth Of Coverage:
Comprehensive (factory level detail for DIY and professional technicians).
Diagnostic Tools Required:
Covers use of common tools and specialized diagnostic equipment (e.g., scan tools).
Special Tools:
Lists and describes required special tools for specific procedures.
Wiring Diagrams:
Detailed electrical schematics for all circuits.
Technical Service Bulletins Tsbs:
Often includes references or summaries of important TSBs.
Wheelbase Short:
119.0 inches (Standard Cab, Fleetside Bed)
Wheelbase Long:
133.0 inches (Extended Cab, Fleetside Bed; Standard Cab, Long Bed)
Bed Lengths:
Short Bed (6.5 ft), Long Bed (8 ft)
Curb Weight:
Varies by configuration, typically 4,500 - 5,500 lbs
Gross Vehicle Weight Rating Gvw R:
Typically 6,200 - 7,200 lbs depending on configuration
Towing Capacity:
Up to 8,000-10,000+ lbs depending on engine, axle ratio, and towing package.
Payload Capacity:
Up to 1,500-2,000+ lbs depending on configuration.
Oil Change Interval:
Every 3,000 miles for conventional oil, or 5,000-7,500 miles for synthetic oil, or as indicated by the oil life monitor system.
Engine Air Filter:
Inspect every 15,000 miles, replace as needed (typically every 30,000 miles).
Spark Plugs:
Platinum-tipped spark plugs typically have a service life of 100,000 miles. Check manual for specific type and interval.
Transmission Fluid:
Change every 50,000-100,000 miles, depending on driving conditions and fluid type. Refer to manual for specific fluid type (e.g., Dexron III/VI).
Coolant Flush:
Initial change at 5 years or 100,000 miles, then every 2-5 years or 30,000-100,000 miles depending on coolant type.
Engine Oil:
SAE 5W-30 (most common). Check specific engine variant and owner's manual for exact specification. GM dexos1 or equivalent approved synthetic is recommended.
Transmission Fluid Automatic:
Dexron III or Dexron VI. Refer to manual for correct type and quantity for 4L60E/4L80E.
Power Steering Fluid:
GM Power Steering Fluid or Dexron III/VI.
Coolant:
GM Orange (50/50 mix of ethylene glycol and deionized water) or equivalent Long Life Coolant.
Transmission Hard Shifts:
Common issue with 4L60E transmissions, sometimes related to the torque converter clutch solenoid or valve body.
Vortec Engine Oil Consumption:
Some engines may exhibit increased oil consumption, potentially due to valve stem seals or piston rings.
ABS Sensor Failure:
ABS wheel speed sensors can fail, triggering ABS warning lights.
Heater Control Valve:
Failure of the heater control valve can lead to no heat or erratic temperature control.
Idler Arm Wear:
Idler arm bushings can wear, leading to steering looseness and play.