Segment:
Full-size pickup truck
Key Competitors:
Ford F-150, Dodge Ram 1500
Vehicle Platform:
GMT400 platform, known for its robust construction and reliability.
Manual Value:
Provides professional-level repair and maintenance information for DIY enthusiasts and professional mechanics.
General Coverage:
Complete factory service and repair information
Specific Coverage:
Engine, transmission, drivetrain, suspension, steering, brakes, electrical systems, HVAC, body, diagnostics, troubleshooting
Estimated Pages:
Hundreds (precise count not specified, but typical for comprehensive service manuals)
Type:
Service Repair Workshop Manual
Engine Systems:
Engine mechanical (disassembly, assembly, inspection), fuel system (injection, pump, lines), ignition system, cooling system, lubrication system, emissions control
Transmission Drivetrain:
Automatic transmission (4L60E, 4L80E), manual transmission (NV3500, NV4500), transfer case (NP236, NP246), driveshafts, axles, differentials
Chassis Systems:
Suspension (front independent, rear solid axle), steering (power steering), brakes (front disc, rear drum/disc depending on configuration, ABS)
Electrical Systems:
Charging system, starting system, lighting, instrument cluster, body control modules, infotainment wiring, diagnostic connectors (OBD-II)
Body And Comfort:
HVAC system, interior trim, exterior body panels, doors, windows, seats, safety restraints (airbags)
Maintenance:
Oil changes, filter replacements, fluid checks and changes, tune-ups, brake inspections, tire rotations
Repair:
Engine overhaul, transmission repair, brake system overhaul, suspension component replacement, electrical component repair, body panel repair
Troubleshooting:
Diagnostic procedures for common drivability issues, electrical faults, and mechanical problems
Diagnostics:
Fault code interpretation, live data analysis, component testing
Depth:
Comprehensive: Covers basic maintenance to complete engine and transmission rebuilds, including detailed diagnostic procedures.
Engine Options:
4.3L V6 (Vortec 4300 L35), 5.0L V8 (Vortec 5000 L30), 5.7L V8 (Vortec 5700 L31), 7.4L V8 (Vortec 7400 L29)
Horsepower Range:
160 hp (4.3L V6) to 300 hp (7.4L V8)
Torque Range:
235 lb-ft (4.3L V6) to 410 lb-ft (7.4L V8)
Fuel Delivery:
Multi-port Fuel Injection (MPFI) for all Vortec engines
ECU Type:
Engine Control Unit (ECU) for managing fuel, ignition, and emissions. Specific ECU part numbers vary by engine.
Transmission Options:
4-speed automatic (4L60E standard on most models), 5-speed manual (NV3500, NV4500 available)
Heavy Duty Automatic:
4L80E (available on heavier duty configurations)
Transfer Case:
Electronic 4WD (NP236, NP246) or manual transfer case options.
Automatic Transmission Fluid:
Dexron III (or equivalent)
Manual Transmission Fluid:
GL-4 or GL-5 gear oil, viscosity varies by temperature and specific unit.
Wheelbase:
130.0 inches (Standard Cab), 158.0 inches (Extended Cab/Crew Cab)
Bed Lengths:
6.5 ft (short bed), 8 ft (long bed)
Curb Weight:
Approximately 4,000 - 5,000+ lbs depending on configuration
Towing Capacity:
Varies significantly based on engine, axle ratio, and configuration, up to 7,700 lbs or more.
NHTSA Front Crash Test:
Generally performed well for its era, but specific ratings can vary.
ABS:
Anti-lock Braking System (ABS) standard on 4-wheel disc brake equipped models and optional on others.
Airbags:
Driver and passenger front airbags.
Seatbelts:
Front and rear seatbelts, shoulder belts with pretensioners.
Oil Change Interval:
Every 3,000-5,000 miles or 3-6 months, depending on driving conditions and oil type used.
Transmission Fluid Change:
Every 30,000-60,000 miles for automatic transmissions, inspect regularly.
Spark Plugs:
Varies by plug type (e.g., conventional, platinum, iridium), typically 30,000-100,000 miles.
Engine Oil Capacity:
4.3L V6: 4.5 qts; 5.0L/5.7L V8: 5.5 qts; 7.4L V8: 7.0 qts (with filter change), all requiring API SG or higher.
Coolant:
50/50 mixture of ethylene glycol antifreeze and distilled water.
Brake Fluid:
DOT 3 brake fluid.
Intake Manifold Gaskets:
Common leak points on V8 engines, leading to coolant or vacuum leaks.
Heater Core:
Prone to leaks, often resulting in coolant smell inside the cabin.
Transmission Governors:
Issues with the electronic governor in the 4L60E can cause harsh shifting or no-shift conditions.
Window Regulators:
Plastic components can wear out, leading to difficult or inoperable windows.
Chevrolet Trucks:
Chevrolet has a long-standing reputation for producing durable and capable trucks.
Gmt400 Platform:
The GMT400 platform (introduced in 1988) represented a significant update in chassis, styling, and interior comfort for Chevrolet pickups.
Manufacturing Locations:
Various General Motors plants in North America.
