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2003 GMC Sierra 1500 Service and Repair Manual
Regular price
$29.99 USD
Unit price
Covers all 2003 Sierra 1500 trims — Base Standard Cab Pickup 2-Door, SL Extended Cab Pickup 4-Door, Base Extended Cab Pickup 4-Door +5 more ·
Digital manual — nothing ships
Matched to your exact vehicle
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4.7
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Trusted by 14,000+ mechanics & DIYers
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Complete repair procedures
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$29.99
2003 GMC Sierra 1500 Service and Repair Manual
Regular price
$29.99 USD
Unit price
2003 GMC Sierra 1500 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
- SL Extended Cab Pickup 4-Door
- Base Extended Cab Pickup 4-Door
- Denali Extended Cab Pickup 4-Door
- WT Extended Cab Pickup 4-Door
- SLT Extended Cab Pickup 4-Door
- SLE Extended Cab Pickup 4-Door
- SL Standard Cab Pickup 2-Door
- WT Standard Cab Pickup 2-Door
- SLE Standard Cab Pickup 2-Door
Engines covered
- 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated
- 5.3L 5328CC 325Cu. In. V8 GAS OHV Naturally Aspirated
- 4.8L 294Cu. In. V8 GAS OHV Naturally Aspirated
- 4.3L 262Cu. In. V6 GAS OHV Naturally Aspirated
- 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
ON CERTAIN VANS EQUIPPED WITH SURE-LOK WHEELCHAIR SECUREMENT SYSTEMS, THE SPROCKET TEETH OF THE RETRACTOR ASSEMBLY IS OUT OF ALIGNMENT.
Consequence
IN THE EVENT OF A VEHICLE CRASH, THE WHEELCHAIR MAY NOT BE ADEQUATELY SECURED POSSIBLY RESULTING IN
Remedy
DEALERS WILL INSPECT AND REPLACE THE WHEELCHAIR SECUREMENT RETRACTORS AS NECESSARY. SURE-LOK WILL H
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 communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester and
This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Before calling General Motors Technical Assistance Center technician will need to have hi
This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Before calling General Motors Technical Assistance Center technician will need to have hi
Showing the 8 most recent of 111 technical service bulletins on file with NHTSA.
TL* THE CONTACT OWNS A 2003 GMC SIERRA 1500. WHILE DRIVING 40 MPH, THE CONTACT'S VEHICLE CRASHED INTO THE PASSENGER SIDE OF ANOTHER VEHICLE. THE AIR BAGS FAILED TO DEPLOY. THE CONTACT SUSTAINED INJURI
DEAR NHTSA, I WAS INVOLVED IN A THREE CAR MVA ON 2 FEB ON I-95 SOUTHBOUND NEAR MILE MARKER 131.2. I WAS TRAVELING IN THE SLOW LANE DURING THE EVENING TRAFFIC COMMUTE WHEN MY VEHICLE WAS STRUCK FRO
NON DEPLOYMENT OF AIRBAG IN GMC SIERRA EXTENDED CAB P/U TRUCK 1500C SERIES 2003 YR. *TR
WHILE SLOWING DOWN FOR A LIGHT ON A 4 LANE HIGHWAY MY BRAKE LINES BURST IN TWO PLACES FAILED FROM BEING WEAKEN BY RUST....I HAD NO CHANCE TO STOP OR ADVERT THE CAR AND CRASHED INTO AND TOTALED A NEW B
WHILE SLOWING DOWN FOR A LIGHT ON A 4 LANE HIGHWAY MY BRAKE LINES BURST IN TWO PLACES FAILED FROM BEING WEAKEN BY RUST....I HAD NO CHANCE TO STOP OR ADVERT THE CAR AND CRASHED INTO AND TOTALED A NEW B
Showing the 5 most serious of 210 complaints filed with NHTSA.
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