2003 Chevrolet Silverado 2500 Service and Repair Manual
2003 Chevrolet Silverado 2500 service and repair manual — a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.
Designed for technicians and DIY owners, this manual helps you troubleshoot accurately, follow step-by-step repair procedures, and reference wiring diagrams and system sections quickly while you work.
What’s included
- Step-by-step repair procedures and service information
- Specifications and reference data (where provided)
- Wiring diagrams and electrical sections
- Powertrain, brakes, steering, suspension, HVAC and more
Trims covered
- Base Standard Cab Pickup 2-Door
- LS Extended Cab Pickup 4-Door
- LT Extended Cab Pickup 4-Door
- Base Extended Cab Pickup 4-Door
- LS Standard Cab Pickup 2-Door
- 400 SS Standard Cab Pickup 2-Door
Engines covered
- 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated
- 5.3L 5328CC 325Cu. In. V8 GAS OHV Naturally Aspirated
Index / Table of contents
- Body
- Brakes
- Chassis Electrical
- Driveline
- Engine Cooling
- Engine Electrical
- Engine Mechanical
- Engine Performance & Emission Controls
- Fuel System
- General Information & Identification
- Heating, Ventilation, & Air Conditioning
- Hybrid & Electric Vehicle Systems
- Steering
- Suspension
- Transmission, Clutch, & Transfer Case
- Wiring Diagrams
CERTAIN FABTECH AFTERMARKET REPLACEMENT PITMAN ARMS, P/NOS. FTS71000 AND FTS71001, INSTALLED FOR USE ON CERTAIN 2001-2006 GM C/K 2500 PICK UP TRUCKS AND SPORT UTILITY VEHICLES. TH
LOSS OF STEERING CONTROL COULD LEAD TO A VEHICLE CRASH WITH POTENTIAL INJURY OR DEATH.
FABTECH WILL NOTIFY OWNERS AND REPLACE THE PITMAN AND IDLER ARMS FREE OF CHARGE. THE RECA
This PI communicates the requirement to provide a pico file to receive diagnostic assistance from TAC.
This service bulletin provides information for dealers/technicians on OnStar Module 2G Sunset Information.
This Preliminary Information communication provides information to the technician about vehicles that have an unusual noise and is difficult to identify, isolate or pinpoint. Technician should get record a sound clip or take a video of the
This service bulletin explains how to measure for oil consumption and possible reasons for loss of oil.
This service bulletin explains how to measure for oil consumption and possible reasons for loss of oil.
This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. General Motors will only support a tire calibration for tires that have been sized, tested and designed fo
Vehicle Wide Programming (VWP) is a new process to update software on GM Vehicles. It provides the ability via a single selection within Techline Connect to first identify which modules need updating and then proceed to updating affected mo
GM is receiving damaged (cracked or broken) transmission cores returned to the reman facilities. The damage is being caused either in the removal process by the technician, or inadequate packaging or shipping. This bulletin advises the deal
Showing the 8 most recent of 110 technical service bulletins on file with NHTSA.
TL* THE CONTACT OWNS A 2003 CHEVROLET SILVERADO 2500 HD. THE CONTACT STATED THAT WHILE DRIVING 45 MPH, THE VEHICLE WAS INVOLVED IN A HEAD ON CRASH AND THE AIR BAGS DID NOT DEPLOY.
TL* THE CONTACT OWNS A 2003 CHEVROLET SILVERADO 2500 HD. THE CONTACT STATED THAT WHILE DRIVING 45 MPH, THE VEHICLE WAS INVOLVED IN A HEAD ON CRASH AND THE AIR BAGS DID NOT DEPLOY.
TL* THE CONTACT OWNS A 2003 CHEVROLET SILVERADO 2500 HD. THE CONTACT STATED THAT WHILE DRIVING T 30 MPH, THE CONTACT CRASHED INTO ANOTHER VEHICLE AND THE AIR BAGS FAILED TO DEPLOY
TL* THE CONTACT OWNS A 2003 CHEVROLET SILVERADO 2500. WHILE DRIVING 15 MPH, THE ABS LIGHT ILLUMINATED. THE CONTACT DEPRESSED THE BRAKE PEDAL, WHICH FAILED TO STOP THE VEHICLE. AS A
Showing the 4 most serious of 561 complaints filed with NHTSA.
