2004 Oldsmobile Alero Service and Repair Manual

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Factory-Grade Data

2004 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

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Vehicle Safety Data

2004 Oldsmobile Alero Recalls & Complaints

NHTSA #07E02100012/03/2007Component: FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY:PRESSURE RELIEF DEVICES

CERTAIN DELPHI FUEL PRESSURE REGULATORS, P/NOS. FP10020-11B1, FP10026-11B1, AND FP10027-11B1, SOLD AFTER JANUARY 9, 2007, AS AFTERMARKET EQUIPMENT FOR VARIOUS PASSENGER VEHICLES LISTED ABOVE. THE UNI

Consequence

FUEL MAY LEAK, POSSIBLY RESULTING IN A FIRE.

Remedy

DELPHI WILL NOTIFY OWNERS AND REPLACE THE UPR FREE OF CHARGE. THE RECALL BEGAN ON APRIL 23, 2007.

NHTSA #14V40000003/07/2014Component: ELECTRICAL SYSTEM:IGNITION

This defect can affect the safe operation of the airbag system. Until this recall is performed, customers should remove all items from their key rings, leaving only the ignition key. The key fob (if

Consequence

If the key is not in the run position, the air bags may not deploy if the vehicle is involved in a c

Remedy

GM will notify owners, and dealers will install two key rings and an insert in the key slot or a cov

TSB #11020816

This PI communicates the requirement to provide a pico file to receive diagnostic assistance from TAC.

TSB #11014455

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

TSB #11009156

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

TSB #11007744

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

TSB #11007743

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

TSB #11007208

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

TSB #11006621

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

TSB #11004557

This bulletin provides information for use on a Product Assistance Claim (PAC), which is formerly known as a Product Allegation Resolution (PAR) claim.

Showing the 8 most recent of 426 technical service bulletins on file with NHTSA.

20240403Component: AIR BAGSCrash reported1 injured

Airbag no deployment Loss of power steering Brakes to floor Car died Recall ignored prior and still today after set up now off their schedule Friendly Chevrolet rich Gardner

20240403Component: ENGINECrash reported1 injured

Airbag no deployment Loss of power steering Brakes to floor Car died Recall ignored prior and still today after set up now off their schedule Friendly Chevrolet rich Gardner

20240403Component: ELECTRICAL SYSTEMCrash reported1 injured

Airbag no deployment Loss of power steering Brakes to floor Car died Recall ignored prior and still today after set up now off their schedule Friendly Chevrolet rich Gardner

20180814Component: AIR BAGSCrash reported1 injured

TL* THE CONTACT OWNS A 2004 OLDSMOBILE ALERO. WHILE DRIVING 30 MPH, ANOTHER VEHICLE CRASHED INTO THE REAR OF THE CONTACT'S VEHICLE. THE AIR BAGS DID NOT DEPLOY AND THE SEAT BELTS FAILED TO LOCK. THE C

20180814Component: SEAT BELTSCrash reported1 injured

TL* THE CONTACT OWNS A 2004 OLDSMOBILE ALERO. WHILE DRIVING 30 MPH, ANOTHER VEHICLE CRASHED INTO THE REAR OF THE CONTACT'S VEHICLE. THE AIR BAGS DID NOT DEPLOY AND THE SEAT BELTS FAILED TO LOCK. THE C

Showing the 5 most serious of 173 complaints filed with NHTSA.

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