The Chevrolet Silverado 2500HD Factory Service Repair Manual for model years 2000-2006 provides comprehensive and detailed instructions for servicing and repairing your heavy-duty pickup truck. This manual is the same as what professional workshops use, ensuring you have access to the most accurate and up-to-date information available.

This manual covers a vast array of topics, including:

**General Information:**
* Maintenance and Lubrication
* Airwind Noise
* Squeaks and Rattles
* Waterleaks
* Diagnostic Connector Location
* GM Vehicle Caution and Notices
* Preface, Cautions and Notices
* Strategy Based Diagnosis

**Engine:**
* Engine Mechanical 4.3L
* Engine Mechanical 4.8L, 5.3L and 6.0L
* Engine Mechanical 6.6L (LB7)
* Engine Mechanical 6.6L (LLY)
* Engine Mechanical 8.1L
* Mechanical Repair 4.8L, 5.3L and 6.0L
* Mechanical Repair 6.6L (LB7)
* Engine Cooling
* Engine Exhaust
* Engine Controls 4.3L
* Engine Controls 4.8L, 5.3L and 6.0L
* Engine Controls 6.6L (LB7)
* Engine Controls 8.1L
* Engine Controls 6.6L (LLY)
* Firing Order and Cylinder Identification
* Diagnostic Information and Procedures
* Introduction
* Troubleshooting
* DTC P0005-DTC P2665

**Transmission:**
* 4L60E 4L65E Diagnostic Information and Procedures
* 4L60E 4L65E Introduction
* 4L60E 4L65E Diagnosis
* 4L60E 4L65E Troubleshooting
* 4L80E 4L85E Diagnostic Information and Procedures
* 4L80E 4L85E Introduction
* 4L80E 4L85E Troubleshooting
* 4L80E 4L85E Diagnosis
* Allison Diagnostic Information and Procedures
* Allison Introduction
* Allison Troubleshooting
* Allison Diagnosis
* Allison Overhaul
* 4L60E 4L65E Overhaul
* 4L80E 4L85E Overhaul
* Manual Transmission NV3500 Overhaul
* Manual Transmission NV4500 Overhaul
* Manual Transmission ZF S6-650 Overhaul
* Clutch
* Transfer Case
* Shift Lock Control

**Driveline Axle:**
* Drive Axle
* Front Drive Axle
* Propeller Shaft
* Rear Drive Axle
* Transfer Case Overhaul
* Wheel Drive Shafts

**Brakes:**
* Antilock Brake System
* Disc Brakes
* Hydraulic Brake
* Park Brake

**Steering:**
* Power Steering System
* Rear Wheel Steering
* Steering Linkage
* Steering Wheel and Column

**Suspension:**
* Front Suspension
* Rear Suspension
* Selectable Ride
* Suspension General Diagnosis
* Tires and Wheels
* Wheel Alignment

**Electrical:**
* Battery, Charging System and Starting System Diagnosis
* Fuses and Circuit Breakers

**Body:**
* Accessories and Equipment
* Body Control System
* Body Front End
* Body Rear End
* Bumpers
* Cellular Communication
* Collision Repair
* Cruise Control
* Data Link Communications
* Doors
* Entertainment
* Exterior Trim
* Frame and Underbody
* Garage Door Opener
* Horns
* Instrument Panel, Gages and Console
* Interior Trim
* Keyless Entry
* Lighting System
* Paint Coatings
* Personalization
* Plastic Panel Information and Repair
* Power Outlets
* Power Take-Off
* Programming
* Retained Accessory Power
* Seats
* Stationary Windows
* Theft Deterrent
* Vehicle DTC Information
* Wipers Washer System
* Wiring System

**HVAC:**
* Heating, Ventilation and Air Conditioning
* Automatic
* Manual

**Restraints:**
* Seat Belts
* SIR

**OBD-II Readiness Monitors GM:**
* 4.3L
* 4.8L, 5.3L and 6.0L
* 6.6L (LBY)(LLY)
* 8.1L

**System Wiring Diagrams:**
* Wiring

This manual is filled with high-resolution illustrations, instructions, photographs, and diagrams to guide you through every repair process. It's your comprehensive resource for keeping your Chevrolet Silverado 2500HD running smoothly.

The Chevrolet Silverado 2500HD, produced from 2000 to 2006, is a heavy-duty pickup truck designed for demanding work and towing applications. It sits atop the Chevrolet truck lineup, boasting a robust build and powerful engines to handle heavy loads. Offered in a variety of cab configurations – regular, extended, and crew cab – and bed lengths, the 2500HD was capable of hauling up to 17,000 lbs. of towing capacity when properly equipped. The core of its strength lies in the sturdy chassis and the available Duramax 6.6L turbo-diesel engine, known for its impressive torque and fuel efficiency. While available in both two-wheel and four-wheel drive configurations, the four-wheel drive option proved particularly popular for its off-road prowess and added traction in challenging conditions.

The Silverado 2500HD of this era was praised for its durability and reliability. However, like any vehicle, it is susceptible to wear and tear over time, necessitating regular maintenance and potential repairs. For those seeking to keep their truck running smoothly, the Factory Service Repair Manual is an invaluable resource. This comprehensive guide provides detailed information on every aspect of the 2500HD, from engine specifications and electrical diagrams to bodywork and suspension components. With step-by-step instructions, illustrations, and troubleshooting tips, the manual empowers owners and mechanics alike to diagnose and address any issues that may arise. Whether performing routine maintenance or tackling more complex repairs, the Factory Service Repair Manual is the definitive resource for ensuring the Silverado 2500HD continues to deliver on its promise of dependability and performance.