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2003 Oldsmobile Alero Service and Repair Manual
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$29.99 USD
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Covers all 2003 Alero trims — GL Sedan 4-Door, GL Coupe 2-Door, GX Coupe 2-Door +3 more ·
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Complete repair procedures
Wiring diagrams & schematics
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2003 Oldsmobile Alero Service and Repair Manual
Regular price
$29.99 USD
Unit price
2003 Oldsmobile Alero 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.
Built for technicians and DIY owners, this manual helps you troubleshoot accurately, follow step-by-step repair procedures, and use wiring diagrams and system sections to diagnose problems faster.
What’s included
- Step-by-step repair procedures and service information
- Specifications and reference data (where provided)
- Electrical coverage with wiring diagrams
- Coverage across key systems: engine, transmission, brakes, steering, suspension, HVAC, and more
Trims covered
- GL Sedan 4-Door
- GL Coupe 2-Door
- GX Coupe 2-Door
- GLS Coupe 2-Door
- GLS Sedan 4-Door
- GX Sedan 4-Door
Engines covered
- 2.2L 2198CC 134Cu. In. l4 GAS DOHC Naturally Aspirated
- 3.4L 207Cu. In. V6 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 PASSENGER VEHICLES FAIL TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 124, 'ACCELERATOR CONTROL SYSTEMS.' IN HOT AMBIENT CONDITIONS, THE ACCELERATOR PEDAL ARM M
Consequence
FAILURE TO RETURN TO IDLE COULD RESULT IN A VEHICLE CRASH.
Remedy
DEALERS WILL INSPECT THE ACCELERATOR PEDAL ARM AND REPLACE THE ACCELERATOR AND BRAKE PEDAL ASSEMBLY
This PI communicates the requirement to provide a pico file to receive diagnostic assistance from TAC.
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 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
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
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 243 technical service bulletins on file with NHTSA.
PURCHASED 2003 ALERO ON OCT 8, 2009 ON OCT. 9TH CAR WOULD NOT START OR JUMP, ABS AND SECURITY LIGHT WAS ON, RADIO TURNED OFF. HAD IT TOWED BACK TO DEALER WHO LOOKED AT IT THE NEXT DAY AND THE CAR STAR
PURCHASED 2003 ALERO ON OCT 8, 2009 ON OCT. 9TH CAR WOULD NOT START OR JUMP, ABS AND SECURITY LIGHT WAS ON, RADIO TURNED OFF. HAD IT TOWED BACK TO DEALER WHO LOOKED AT IT THE NEXT DAY AND THE CAR STAR
PURCHASED 2003 ALERO ON OCT 8, 2009 ON OCT. 9TH CAR WOULD NOT START OR JUMP, ABS AND SECURITY LIGHT WAS ON, RADIO TURNED OFF. HAD IT TOWED BACK TO DEALER WHO LOOKED AT IT THE NEXT DAY AND THE CAR STAR
2003 OLDSMOBILE ALERO SLID DOWN AN ICE COVERED HILL, STRUCK A TREE AND THE SEAT BELTS RELEASED.*MR THE REAR SEAT BELTS SECURED TWO CHILD SAFETY SEATS, 1 BOOSTER SEAT AND ONE CHILD SEAT, WHICH WERE T
TL*THE CONTACT OWNS A 2003 OLDSMOBILE ALERO. THE CONTACT STATED THAT WHILE STOPPED AT A STOP SIGN, ANOTHER VEHICLE CRASHED INTO THE DRIVER SIDE OF THE CONTACT'S VEHICLE AND THE AIR BAGS FAILED TO DEPL
Showing the 5 most serious of 294 complaints filed with NHTSA.