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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

Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
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
0306010182005-02-12. Service bulletin. ENGINE AND ENGINE COOLING. NEW CYLINDER BORE LINER REPLACEMENT PROCEDURE. THIS SERVICE BULLETIN REPLACES 030601018A. *EH
0306010222005-01-03. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. GUIDELINES FOR CYLINDER BORE LINER/PISTON SLEEVE REPLACEMENT ON THE L4 ECOTEC ENGINE. *TT
0406040632004-12-27. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ENGINE IDLE FLAIR WHEN CLUTCH DEPRESSED OR DECEL STALL. *TT
31142004-11-03. Service bulletin. ENGINE AND ENGINE COOLING. B1327 DIAGNOSTIC MISSING. *SC
30142004-08-23. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. STALL, HESITATION, STUMBLE WITH NO DIAGNOSTIC TROUBLE CODES (DTCS). *TT
013532004-07-16. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ENGINE MISFIRE DUE TO INJECTOR FRETTING CORROSION. *TT
004342004-06-30. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ENGINE WILL CRANK BUT NOT START, ALSO MAKES NOISE WHILE CRANKING. 2.2 L61 ENGINE. *TT
019952004-05-25. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. REPLACING A 02 OR 03 2.2L L61 WITH A 04 2.2L L61 ENGINE REPLACEMENT.*MR
030642004-03-12. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ON-BOARD DIAGNOSTIC SYSTEM SOFTWARE UPGRADE - OBD SYSTEM IMPROVEMENTS. *TT
015272004-02-28. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. A WHISTLE TYPE NOISE COMING FROM THE ENGINE. SIT BULLETIN 1406534. *TT
015252004-02-28. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ENGINE STALL HESITATION STUMBLE WITH NO DIAGNOSTIC TROUBLE CODES (DTCS). *TT
015562004-02-25. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ENGINE CRANKS BUT DOES NOT RUN. *TT
03-06-01-0102004-01-07. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ENGINE OIL OR COOLANT LEAK. *TT GM REMINDER. *TT INSTALL NEW LOWER INTAKE MANIFOLD GASKET. UPDATED 7/18/08 *PE
0711032003-11-03. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. THIS VME MESSAGE CONCERNS A CYLINDER BORELINER TOOL NOW AVAILABLE FOR THE L61 2.2 LITER ENGINE. THE TOOL IS REFERENCED IN SERVICE BULLETIN 030601018. THE PURPOSE OF THE TOOL IS TO EXTEND THE TOTAL SERVICE LIFE OF THE BLOCK. *TT
0710032003-11-03. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM. THIS VME MESSAGE IS A WATER PUMP REPLACEMENT DUE TO A KNOWN CAM DRIVELINE. SOME CUSTOMERS MAY QUESTION ABOUT WHINE NOISE COMING FROM THE FRONT ENGINE AREA. *TT
0715032003-10-31. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM. COOLANT LOSE, EVIDENCE FLUID ON THE GARAGE FLOOR, ETC., OR COOLANT WARNING LIGHT COMING ON. *TT
0522032003-10-28. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. COMPLAINTS OF INTERMITTENT VEHICLE SHUTTING OFF WHILE DRIVING WITH NO MULTIPLE CODES SET. THE VEHICLE WOULD IMMEDIATELY RESTART. THE ACTUAL CAUSE OF THIS CONDITION WAS THAT OVER BUMPS THE MASS AND WEIGHT OF THE CUSTOMER'S KEY RING FORCES THE DASH MOUNTED KEY LOCK CYLINDER SWITCH OUT ITS SWITCH DETENT AND ALLOWS THE KEY TO ROTATE BACK FROM THE ON POSITION TOWARDS THE ACCESSORY POSITION. *TT
0306040302003-08-15. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. MULTIPLE DRIVEABILITY SYMPTOMS OF LONG OR HARD STARTS, CHUGGLE, ROUGH IDLE AND LIGHT OR INTERMITTENT MISFIRE DUE TO CLOGGED FUEL INJECTORS. *TT
0306010182003-08-14. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. NEW CYLINDER BORE LINER REPLACEMENT PROCEDURE. *TT
0312032003-07-25. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN. BUFFETING OR ROTATIONAL TYPE TICK NOISE FROM HVAC BLOWER MOTOR AREA. *TT *JB
0306010102003-04-26. Service bulletin. ENGINE AND ENGINE COOLING. ENGINE OIL OR COOLANT LEAK. *TT

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