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Service bulletins for the 2005 Buick Park Avenue

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.

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

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By component

By trouble code

Bulletins, newest first
PIC-4935-E2016-08-17. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ELECTRICAL SYSTEM. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO HELP THE DEALERSHIP TECHNICIANS PERFORM A PARASITIC DRAIN TEST FOR THE ONSTAR MODULE. WHEN PERFORMING BATTERY PARASITIC DRAIN TEST, THERE MAY BE SOME CONFUSION AS TO WHAT THE NORMAL POWER CONSUMPTION READING SHOULD BE FROM THE ONSTAR SYSTEM.
PIC-5050-A2016-08-17. Service bulletin. ELECTRICAL SYSTEM. THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THE STEPS ON REPAIRING THE CONCERN. A CUSTOMER MAY IDENTIFY A CONCERN OF UNABLE TO REACTIVATE A VEHICLE'S ONSTAR THAT HAS BEEN PREVIOUSLY DISABLED BY ONSTAR. DEALER IS TO CALL GENERAL MOTORS TECHNICAL ASSISTANCE CENTER FOR FURTHER ASSISTANCE IF THE CONCERN IS STILL PRESENT.
PIC-5260-A2016-08-11. Service bulletin. STRUCTURE:BODY; ELECTRICAL SYSTEM; VISIBILITY:SUN/MOON ROOF ASSEMBLY. THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THE STEPS ON DIAGNOSING THE CONCERN. VEHICLE'S SUNROOF OPERATION INTERMITTENT, BIND, NOISE, AUTO-REVERSE, AND/OR WATER LEAKS.
09-09-40-001A2011-06-14. Service bulletin. SEAT BELTS:FRONT:WARNING LIGHT/DEVICES; SEAT BELTS. GM: THERE ARE SEAT BELT PROBLEMS: DIFFICULTY LATCHING AND UNLATCHING BUCKLE. BUCKLE RELEASE BUTTON IS STICKING. SEAT BELT WARNING LIGHT ILLUMINATED. LIKELY CAUSED BY STICKY BEVERAGES THAT ARE SPILLED INTO THE BUCKLE ASSEMBLY. *RM UPDATED 4/3/12. *PE
05-09-40-002E2011-05-11. Service bulletin. SEAT BELTS:FRONT:WEBBING; SEAT BELTS:FRONT:RETRACTOR. GM: SERVICE BULLETIN EXPLAINING WHEN THE SAFETY BELTS ARE SUPPOSED TO LOCK. *RM UPDATED 12/6/11. *PE
08089-B2009-02-10. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). GENERAL MOTORS CORP: SPECIAL COVERAGE ADJUSTMENT; ANALOG ONSTAR DEACTIVATION. *PE UPDATED 2/17/09. *PE
08-089B2008-12-19. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. BUICK CHEVROLET GMC SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. SPECIAL COVERAGE ADJUSTMENT-ANALOG ONSTAR DEACTIVATION. CSC LETTER WAS RECEIVED. *PE
PIC-48872008-12-02. Service bulletin. SUSPENSION:REAR:SHOCK ABSORBER; SUSPENSION:FRONT:SHOCK ABSORBER. GMC: HARSH RIDE OR LINE INSTALLATION CONCERN WITH DELCO SHOCK KIT. CONCERNS WITH CONNECTING THE LINES TO THE SHOCKS AND THE AIR COMPRESSOR. CONCERN OF HARSH RIDE AFTER INSTALLATION. *PE
08-0892008-11-15. Service bulletin. EQUIPMENT:ELECTRICAL. BUICK CADILLAC CHEVROLET GMC HUMMER OLDSMOBILE PONTIAC SAAB SATURN SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. SPECIAL COVERAGE ADJUSTMENT-ANALOG ONSTAR DEACTIVATION. FCC RULED IN 2002 WIRELESS CARRIERS WOULD NO LONGER RE REQUIRED TO SUPPORT ANALOG WIRELESS NETWORK STARTING IN 2008. *PE CSC LETTER WAS RECEIVED. UPDATED 12/1/08. *PE
0807300022008-07-09. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. INFORMATIONAL ON 4T65-E MN7, M15 AND M76 FRONT WHEEL DRIVE AUTOMATIC TRANSMISSION VALVE BODY RECONDITIONING, DTCS P0741, P0742, P0757, P842, HARSH SHIFTS OR SLIPS. *PE
0606010142007-03-07. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. L36, L67, L26, L32, LA1, LX9, MN7, M15. TICKING OR KNOCKING TYPE NOISE COMING FROM THE ENGINE OR TRANSMISSION AREA. *KB
0506010352006-04-03. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. L26, L32,L36, L67 EXCESSIVE OIL CONSUMPTION (REPLACE EXHAUST VALVE STEM SEALS). *AK
0506010352006-03-30. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. L26,L32, L67 EXCESSIVE OIL CONSUMPTION (REPLACE EXHAUST VALVE STEM SEALS). *AK
3383A2006-01-09. Service bulletin. ENGINE AND ENGINE COOLING. OIL INDICATOR ILLUMINATED IN THE INSTRUMENT PANEL / VERY LOW (ZERO) OIL PRESSURE. *TT
7092005-12-15. Service bulletin. ENGINE AND ENGINE COOLING. OIL LIFE SYSTEM RESET PROCEDURES - CARS. GM TECH LINK. *TT
0506040582005-11-11. Service bulletin. VEHICLE SPEED CONTROL. INTERMITTENT CHUGGLE OR FISHBITE ON LIGHT ACCELERATION OR A HIGHWAY SPEEDS WITH NO DIAGNOSTIC TROUBLE CODES (DTCS). *TT
33132005-10-28. Service bulletin. ENGINE AND ENGINE COOLING. ENGINE VIBRATION AT IDLE IN GEAR. *TT
32962005-10-26. Service bulletin. POWER TRAIN. DRIVE SPROCKET SUPPORT BEARING MISSING OR DTC P0741 AND P0742. *SC
33822005-05-12. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. 4T65E (MN7) TRANSMISSION FLUID LEAK ON RIGHT SIDE AXLE SEAL. *TT
08042005-04-30. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. OIL LIFE SYSTEM RESET PROCEDURES - CARS. *NM
051820042005-04-13. Service bulletin. STRUCTURE. THE FACEPLATE FOR THE AC CONTROL HEAD HAS BEEN CRACKED. *TT
063020042005-04-11. Service bulletin. STEERING:COLUMN LOCKING:ANTI-THEFT DEVICE. THE STEERING WHEEL LOCKING FEATURE DISCONTINUED ON CERTAIN VEHICLES BUILT AFTER APRIL 26, 2004 AND ON 2005 MODELS. *TT
32492005-01-28. Service bulletin. SUSPENSION. HIGH SPEED SHAKE OR VIBRATION. *EH
31022004-11-05. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; POWER TRAIN. SERVICE VME 01-04 VEHICLE EQUIPPED WITH 4T65E AUTOMATIC TRANSMISSION 4T65E TRANSMISSION VALVE BODY INSPECTION PROCEDURE. (TO INCLUDE 2004 PONTIAC AZTEC) *SC ALL 2001 - 2006 PASSENGER VEHICLES WITH 4T65E TRANSAXLE. *TT
30292004-09-27. Service bulletin. STEERING:COLUMN LOCKING:ANTI-THEFT DEVICE. DELETION OF STEERING WHEEL LOCK FEATURE. SERVICE VME. *TT

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