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2003 GMC Sierra 2500 Service and Repair Manual
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$29.99 USD
Unit price
Covers all 2003 Sierra 2500 trims — Base Standard Cab Pickup 2-Door, Base Extended Cab Pickup 4-Door, SLT Extended Cab Pickup 4-Door +3 more ·
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Complete repair procedures
Wiring diagrams & schematics
Torque specifications
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2003 GMC Sierra 2500 Service and Repair Manual
Regular price
$29.99 USD
Unit price
2003 GMC Sierra 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
- Base Extended Cab Pickup 4-Door
- SLT Extended Cab Pickup 4-Door
- SLE Extended Cab Pickup 4-Door
- WT Standard Cab Pickup 2-Door
- SLE Standard Cab Pickup 2-Door
Engines covered
- 6.0L 5967CC 364Cu. 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. THE PIN LOCATED INSIDE
Consequence
LOSS OF STEERING CONTROL COULD LEAD TO A VEHICLE CRASH WITH POTENTIAL INJURY OR DEATH.
Remedy
FABTECH WILL NOTIFY OWNERS AND REPLACE THE PITMAN AND IDLER ARMS FREE OF CHARGE. THE RECALL IS EXPE
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 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
This service bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier fuels should
Showing the 8 most recent of 122 technical service bulletins on file with NHTSA.
2003 GMC SIERRA DENALI WITH BRAKE LINE FAILURE PROBLEMS. *TGW THE CONSUMER COMPLAINED OF A VERY SOFT PEDAL AND SOMETIMES THE PEDAL WOULD GO TO THE FLOOR BEFORE STOPPING. THE DEALER CLAIMED NOTHING W
I WAS HEADING NORTH BOUND ON I-45 NEAR NORTH AVENUE IN MILWAUKEE, WI WHEN IT BEGAN TO RAIN SLIGHTLY. IT WAS APPROXIMATELY 3:28 AM. I SLOWED DOWN TO 50 THE SPEED LIMIT WAS 55 AND THE I TURNED ON MY FOG
2003 GMC 2500HD DURMAX TRUCK. WHEN YOU APPLY BRAKES HARD THE STEERING LOCKS UP AND YOU CAN'T TURN. GM SAYS THIS IS STANDARD OPERATING FOR THIS TRUCK. THIS TRUCK HAS ABS. ABS GIVES YOU THE ABILITY TO
ABS COMES ON AT LOW SPEED.. IT INCREASES STOPPING DISTANCE.. I HAVE ONCE REAR ENDED A VEHICLE BECAUSE OF THIS. THERE WAS NO DAMAGE TO EITHER VEHICLE.. ALSO MY ABS LIGHT COME ON FOR A FEW SECONDS MAY
DRIVING DOWN DRIVEWAY BRAKE PEDAL WENT TO FLOOR RAN INTO SNOW BANK UNABLE TO STOP. *TR
Showing the 5 most serious of 193 complaints filed with NHTSA.