2002 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 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
FUEL MAY LEAK, POSSIBLY RESULTING IN A FIRE.
DELPHI WILL NOTIFY OWNERS AND REPLACE THE UPR FREE OF CHARGE. THE RECALL BEGAN ON APRIL 23, 2007.
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
If the key is not in the run position, the air bags may not deploy if the vehicle is involved in a c
GM will notify owners, and dealers will install two key rings and an insert in the key slot or a cov
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
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
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 270 technical service bulletins on file with NHTSA.
TL*THE CONTACT OWNS A 2002 OLDSMOBILE ALERO. ON MAY 21, 2007, THE CONTACT CRASHED INTO A TREE WHILE DRIVING 35 MPH. THE AIR BAGS FAILED TO DEPLOY. THE PASSENGER SUFFERED A SEVERE HEAD INJURY AND RE
THE ACCELERATOR (THROTTLE) GOT STUCK WHILE MY DAUGHTER WAS DRIVING APPROX. 45 MILES PER HOUR AND CAUSED THE CAR TO RUN FAST CAUSING HER NOT TO BE ABLE TO STOP AT A INTERSECTION SENDING THE VEHICLE OVE
TL* THE CONTACT OWNED A 2002 OLDSMOBILE ALERO. WHILE DRIVING APPROXIMATELY 55 MPH, THE VEHICLE STALLED WITHOUT WARNING, THE VEHICLE SPUN OUT AND CRASHED INTO A MEDIAN. A POLICE REPORT WAS FILED. THE C
AS I WAS MERGING ONTO THE HIGHWAY 496 FROM WAVERLY RD IN LANSING HEADED EAST MY CAR SUDDENLY BEGAN SHAKING TERRIBLY AND THE NEXT THING I KNEW THE VEHICLE JUST SHOT TO THE RIGHT AT INCREASED SPEED CAUS
DURING A 55 MPH COLLISION FRONT AIR BAGS DID NOT DEPLOY. CONSUMER PULLED OVER, AND THE VEHICLE WAS TOWED TO THE DEALERSHIP, WHO DID NOT RESOLVE THE PROBLEM. *AK
Showing the 5 most serious of 406 complaints filed with NHTSA.
