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Service bulletins for the 2003 Oldsmobile Alero

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

452 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

Bulletins, newest first
0702012007-04-24. Service bulletin. SERVICE BRAKES, AIR. INCORRECT OUTER BACKING PLATE. OUTER BACKING PLATE HAS SHORT CENTRE PROTUSION. OUTER BACKING PLATE SHOULD HAVE TALL CENTER PROTRUSION. *KB
40142007-03-01. Service bulletin. UNKNOWN OR OTHER. PARTS UPDATE - TIMING CHAIN TENSIONER DESIGN CHANGE. *KB
38592007-01-30. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. LOW OIL PRESSURE - INSPECT OIL FILTER FOR DAMAGE. *KB UPDATED 10/18/07. *NJ
0602350102007-01-22. Service bulletin. STEERING. CLUNK FELT/NOISE HEARD FROM STEERING COLUMN, STEERING GEAR AND/OR FRONT OF VEHICLE DURING MANEUVER AND/OR STEERING WHEEL ROTATION. (REPLACE INTERMEDIATE SHAFT). *KB
0602350192007-01-04. Service bulletin. STEERING:COLUMN. REVISED TILT STEERING WHEEL AND COLUMN FASTENER TIGHTENING SPECIFICATIONS. *KB
39152006-03-15. Service bulletin. POWER TRAIN:CLUTCH ASSEMBLY:PEDAL/HAND LEVER(MOTORCYCLE). CLUTCH PEDAL STAYS TO FLOOR. *TT
37092006-03-15. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. SUPPLEMENT TO ENGINE REPLACEMENT INSTRUCTIONS FOR PART NUMBER 12607031. *TT
36692006-02-21. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. M86/M94 TRANSMISSION INFORMATION TO DISASSEMBLE THIRD FOURTH AND FIFTH GEAR. *AK
36482006-01-25. Service bulletin. ELECTRICAL SYSTEM:WIRING:FRONT UNDERHOOD. HESITATION ON ACCELERATION AFTER INTERNAL ENGINE REPAIRS - CHECK INJECTOR HARNESS ORIENTATION. *TT
7092005-12-15. Service bulletin. ENGINE AND ENGINE COOLING. OIL LIFE SYSTEM RESET PROCEDURES - CARS. GM TECH LINK. *TT
0506040262005-11-07. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. VEHICLE HESITATES, NO START, LACK OF POWER, LOW FUEL PRESSURE. *TT
32532005-10-24. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. VEHICLE WILL NOT MOVE IN EITHER DIRECTION. TRANSMISSION MAY SHOW OVER FULL. P90 4T40E 4T45E NO MOVEMENT DRIVE OR REVERSE. CONVERTER MAY BE EMPTY OF FLUID. *TT
34472005-10-24. Service bulletin. POWER TRAIN. 4T40E OR 4T45E WILL NOT SHIFT NO DIAGNOSTIC TROUBLE CODES. *TT
34332005-10-21. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. SERVICE ENGINE SOON (SES) LIGHT AND SEVERE ENGINE MISFIRE ON CYLINDERS 1 AND 4 OR CYLINDERS 2 AND 3. *TT UPDATED 08-15-07. *KB
6102005-08-11. Service bulletin. ENGINE AND ENGINE COOLING. ENGINE IDLE FLARE WHEN THE CLUTCH IS DEPRESSED. ALSO LOW SPEED ENGINE DECEL STALL WHEN COMING TO A STOP. GM TECH LINK. *TT
0505230012005-05-13. Service bulletin. SERVICE BRAKES, HYDRAULIC. REVISED BRAKE SYSTEM SPECIFICATIONS. *TT
34772005-05-11. Service bulletin. SERVICE BRAKES, AIR:ANTILOCK:WHEEL SPEED SENSOR. TECH 2 DISPLAYS ASTERISK FOR THE LEFT FRONT WHEEL SPEED SENSOR. *TT
08042005-04-30. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. OIL LIFE SYSTEM RESET PROCEDURES - CARS. *NM
040922005-04-27. Service bulletin. ENGINE AND ENGINE COOLING. ACCELERATOR CONTROL SYSTEM. *EH
0506040022005-04-20. Service bulletin. ENGINE AND ENGINE COOLING. WHISTLE NOISE ON LIGHT ACCELERATION. *EH
012620042005-04-05. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:FAN/MOTOR. THIS IS A PRODUCT SERVICE MESSAGE REGARDING THE NEW PART NUMBER FOR THE HEATER BLOWER RESISTOR FOR CUSTOMER CONCERN OF THE HEATER MOTOR NOT BLOWING ON ONE UP TO ALL SPEEDS. *TT
0408640202005-03-14. Service bulletin. VISIBILITY:POWER WINDOW DEVICES AND CONTROLS. FRONT DOOR POWER WINDOW INOPERATIVE. *TT
0402320012005-03-11. Service bulletin. STEERING. RELEASE OF STEERING GEAR STUB SHAFT BEARING KIT FOR SERVICE. *TT UPDATED 08-15-07. *KB UPDATED 10/09/07. *NJ
0308670052005-03-08. Service bulletin. STRUCTURE:BODY. WATER ON FRONT FLOOR. *TT
0302360022005-03-08. Service bulletin. STEERING. REVISED STEERING WHEEL POSITION SENSOR OR STEERING SHAFT LOWER BEARING REPLACEMENT PROCEDURE AND STEERING WHEEL POSITION SENSOR CENTERING PROCEDURE. *EH

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.