Market Position:
This manual targets owners and independent repair shops seeking detailed, factory-authorized service information for the 1999 Chevrolet Silverado 2500. It competes with other digital repair manual providers by offering licensed, OE-derived data.
Competitive Analysis:
Compared to older printed manuals, this digital format offers superior searchability, instant access, and compatibility across multiple devices. It provides a more convenient and potentially cost-effective alternative to dealership service.
Key Features:
Officially licensed content, factory-derived information, accessible via web browser, year-long access, compatible with PC, laptop, smartphone, and tablet.
Systems Covered:
Engine Mechanical, Engine Electrical, Fuel System, Cooling System, Exhaust System, Drivetrain (Front Wheel Drive, Rear Wheel Drive), Transfer Case, Automatic Transmission, Manual Transmission, Brakes (Hydraulic, ABS), Suspension (Front and Rear), Steering, Body, Chassis Electrical, HVAC (Heating, Ventilation, Air Conditioning), Electrical Wiring Diagrams, Diagnostic Procedures, Maintenance Procedures
Electrical Systems:
Comprehensive coverage including starter, alternator, battery, ignition system, lighting, instrument cluster, HVAC controls, power windows/locks, audio system, trailer wiring, and diagnostic procedures for all electrical components.
Body And Frame:
Includes procedures for body panel alignment, door and latch mechanisms, interior trim removal and installation, glass replacement, and frame inspection and repair.
Procedures Included:
Routine Maintenance, Diagnostics, Troubleshooting, Component Repair, Component Replacement, Assembly, Disassembly, Electrical System Troubleshooting, Wiring Harness Repair, Engine Rebuilds, Transmission Overhauls, Brake System Service, Suspension and Steering Alignment, HVAC System Servicing
Troubleshooting Guides:
Detailed troubleshooting trees and flowcharts for diagnosing common and uncommon problems across all vehicle systems, including specific DTC code interpretations.
Engine Mechanical Rebuilds:
Detailed instructions for engine disassembly, inspection of internal components (pistons, rings, bearings, valves), cylinder head reconditioning, crankshaft and camshaft service, and engine reassembly with torque specifications.
Technical Depth:
Comprehensive factory-derived information covering basic maintenance to in-depth engine and transmission rebuilds, including diagnostic trouble codes (DTCs) and repair procedures.
Diagnostic Procedures:
Step-by-step diagnostic procedures for engine performance, emissions, transmission operation, ABS, and HVAC systems, often referencing specific scan tool functions and sensor data.
Wiring Diagrams:
Includes complete, high-quality wiring diagrams for all electrical circuits, enabling accurate diagnosis and repair of electrical faults.
Engine Options:
5.3L V8 (Vortec 5300), 6.0L V8 (Vortec 6000), 7.4L V8 (Vortec 7400)
5.3L V8 Horsepower:
265 hp @ 4600 rpm
5.3L V8 Torque:
330 lb-ft @ 3200 rpm
6.0L V8 Horsepower:
300 hp @ 4400 rpm
6.0L V8 Torque:
360 lb-ft @ 3200 rpm
7.4L V8 Horsepower:
295 hp @ 4000 rpm
7.4L V8 Torque:
410 lb-ft @ 3200 rpm
Fuel Injection:
Multi-port Fuel Injection (MPFI)
Engine Cooling System Capacity:
Approx. 15.5 quarts (14.7 L) for 5.3L V8, 16.5 quarts (15.6 L) for 6.0L and 7.4L V8
Standard Transmission:
4-Speed Automatic (4L60E for 5.3L, 4L80E for 6.0L & 7.4L)
Optional Transmission:
5-Speed Manual (NV4500, typically on 2500HD and specific configurations)
Transmission Features:
Electronically controlled automatic transmissions with overdrive; manual transmissions are heavy-duty for towing and payload.
4L80E Transmission Features:
Heavy-duty four-speed automatic, suitable for higher torque applications and towing. Features electronic control for optimized shifting.
NHTSA Frontal Impact Driver:
Not Rated (NHTSA data from this era is limited)
IIHS Front Offset Crash:
Good (for comparable models)
Active Safety Features:
Anti-lock Braking System (ABS) standard on all wheels.
ABS System Type:
Bosch 4-wheel ABS (Anti-lock Braking System)
Passive Safety Features:
Driver and passenger airbags, three-point seat belts with pretensioners, strong steel frame construction.
Infotainment System:
Basic AM/FM radio with cassette player or CD player. Optional premium audio systems available.
Driver Assistance Features:
Cruise control, power windows and locks (optional on some trims), automatic climate control (optional).
Connectivity Features:
No integrated Bluetooth or USB connectivity. Auxiliary input for external devices may be available on premium sound systems.
Oil Change Interval:
Every 3,000 to 5,000 miles or 3-6 months (depending on oil type and driving conditions). Consult manual for specific recommendations.
Tire Rotation Interval:
Every 5,000 to 7,500 miles
Transmission Fluid Change Interval:
Every 30,000 to 50,000 miles (or as per severe duty schedule for towing/hauling)
Engine Oil Specification 5.3L:
API SG or SH, SAE 5W-30
Engine Oil Specification 6.0L 7.4L:
API SG or SH, SAE 10W-30 (or 5W-30 for colder climates)
Transmission Fluid Specification 4L60E:
Dexron III
Transmission Fluid Specification 4L80E:
Dexron III
Coolant Specification:
Dex-Cool (GM P/N 1052739 or equivalent) or conventional green ethylene glycol based coolant
Brake Fluid Specification:
DOT 3
Power Steering Fluid Specification:
GM specification P/N 1050001 or Dexron III/VI ATF
Common Issues:
Head gasket leaks (particularly on early 5.3L models), intake manifold gasket leaks, camshaft position sensor failures, rear main seal leaks, transmission solenoid issues, HVAC blend door actuator failures.
Chassis And Suspension Issues:
Worn ball joints, tie rod ends, and control arm bushings can occur with high mileage. Steering gear box wear or leaks may also be present.
Brand Heritage:
Chevrolet has a long-standing reputation for producing durable and capable trucks, dating back to the Task Force trucks of the 1950s and the C/K series that preceded the Silverado/Sierra naming convention.
Model Evolution:
The 1999 Silverado 2500 was part of the GMT800 platform, which represented a significant redesign over the older GMT400 trucks. This generation introduced a more modern design, improved ergonomics, and enhanced capability.
Platform Significance:
The GMT800 platform marked the beginning of the modern Silverado era, offering a more car-like ride and handling while retaining robust truck capabilities, setting a precedent for future generations.
Production Location:
Fort Wayne, Indiana; Oshawa, Ontario, Canada
