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Service bulletins for the 2011 Buick Regal

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.

1527 on file from NHTSA, as of 2026-10-19.

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By component

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Only bulletins with component: Body and frame are shown. Show all

Bulletins, newest first
01-08-51-003E2018-05-21. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; STRUCTURE. This informational bulletin provides recommendations and product information for application of anti-corrosion materials
06-08-64-001D2018-05-21. Service bulletin. VISIBILITY:GLASS, SIDE/REAR; STRUCTURE:BODY:DOOR. This Informational bulletin describes warranty part reviews where door glass had chips or scratches.
PI0281G2018-05-21. Service bulletin. STRUCTURE:FRAME AND MEMBERS:UNDERBODY SHIELDS. This preliminary informational bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers.
PIC5822E2018-05-21. Service bulletin. STRUCTURE. This Preliminary Information communication provides the technician with the steps to diagnose and repair the concern of mildew odor or water on front floor on either side of the vehicle. Technician will gain access to the front wheelhouse of the affected side. The front wheel house flange may have a void in the sealer causing water to leak through and accumulate on the floor or wet carpet will be found. A thumb grade sealer will need to be placed in the void to prevent the water leak into the cabin.
08-08-51-002A2018-04-16. Service bulletin. STRUCTURE:BODY. This informational bulletin provides information pre-painting/cleaning process for TPO plastic fascias.
PI0590A2018-04-02. Service bulletin. STRUCTURE:BODY. This preliminary information bulletin provides a procedure for installing the headlining trim panel magnets due to the hook and loop fastener adhesive failing, allowing the headliner to become separated from the sunroof housing causing the headliner to become loose or sagging at the rear of the sunroof opening.
02-07-30-029Y2017-12-22. Service bulletin. STRUCTURE. This informational bulletin provides information on the PQC assembly replacement process - for dealers required to contact PQC prior to replacing an assembly (U.S. and Canada only).
PIC5822D2017-11-14. Service bulletin. STRUCTURE:BODY. This Preliminary Information communication provides the technician with the steps to diagnose and repair the concern of mildew odor or water on front floor on either side of the vehicle. Technician will gain access to the front wheelhouse of the affected side. The front wheel house flange may have a void in the sealer causing water to leak through and accumulate on the floor or wet carpet will be found. A thumb grade sealer will need to be placed in the void to prevent the water leak into the cabin.
PIP4495E2017-11-14. Service bulletin. STRUCTURE:BODY:HOOD. This Preliminary Information communication provides information to the technician about vehicles that have a loud tick or rattle noise under the hood at all operating conditions. Technician will need to check the lower and oil pressure to the upper end oil pressure. Technician will need to inspect the oil feed orifice in the cylinder head. Technician will clean out and debris found in the orifice.
PIP53382017-08-15. Service bulletin. SUSPENSION; STRUCTURE:FRAME AND MEMBERS. This Preliminary Information communication provides information to the technician about vibration complaints that are one of the most challenging complaints to accurately diagnose and repair. Technician will need to use Pico Oscilloscope Diagnostic Kit to effectively diagnosis vehicles. Technician should drive the vehicle will using the Pico Oscilloscope to record data. After the data is recorded it should be reviewed to determine the root cause of the concern. If a repair attempt made the concern better but not eliminated or had no affect at all, and are requesting assistance from General Motors Technical Assistance Center record another Pico file and save it to the computer. After the new Pico Oscilloscope data has been saved email the data to General Motors Technical Assistance Center in the subject line include ?Vibration? ?Business Associate Code? and the last 8 of the Vehicle Identification Number.
PIC5822A2017-08-15. Service bulletin. STRUCTURE:FRAME AND MEMBERS; WHEELS; STRUCTURE:BODY. This Preliminary Information communication provides the technician with the steps to diagnose and repair the concern of mildew odor or water on front floor on either side of the vehicle. Technician will gain access to the front wheelhouse of the affected side. The front wheel house flange may have a void in the sealer causing water to leak through and accumulate on the floor or wet carpet will be found. A thumb grade sealer will need to be placed in the void to prevent the water leak into the cabin.
PIC5870A2017-08-15. Service bulletin. STRUCTURE; ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about vehicles with radio speakers have poor audio quality, buzz, pop, static type noise or no audio. Technician should inspect the trunk mounted radio amplifier for any signs of moisture. Technician will need to Replace the amplifier if water is present and replace any terminals that have corrosion. Also water test the trunk, sunroof, back glass and roof areas. Technician will need to fix any water leaks and clean out all drain tubes.
PIC5779C2017-08-15. Service bulletin. STRUCTURE:BODY. This Preliminary Information communication provides the technician with information on the proper washing of the bright aluminum moldings to avoid the moldings from getting damaged. It is recommended that a non-alkaline solution be used for preparation & washing of the bright aluminum moldings.
PIC5779A2017-08-15. Service bulletin. STRUCTURE:BODY. This Preliminary Information communication provides the technician with information on the proper washing of the bright aluminum moldings to avoid the moldings from getting damaged. It is recommended that a non-alkaline solution be used for preparation & washing of the bright aluminum moldings.
05-08-51-001H2017-08-15. Service bulletin. STRUCTURE:BODY. This informational bulletin provides information on removing paint stains on the under side of protective shipping film
PI0373A2016-11-23. Service bulletin. STRUCTURE; EQUIPMENT; VISIBILITY:REARVIEW MIRRORS/DEVICES. THIS PRELIMINARY INFORMATIONAL BULLETIN PROVIDES A PROCEDURE FOR RELEARNING THE POWER FOLDING MIRRIORS AND ROAD TESTIN TO VERIFY THEY CORRECT A CONDTION OF THE POWER FOLDING MIRRIORS GLASS SHAKES, FLUTTERS AT NORMAL DRIVING CONDITIONS.
PIC-5779-G2016-08-26. Service bulletin. STRUCTURE; EQUIPMENT. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES THE TECHNICIAN WITH INFORMATION ON THE PROPER WASHING OF THE BRIGHT ALUMINUM MOLDINGS TO AVOID THE MOLDINGS FROM GETTING DAMAGED. IT IS RECOMMENDED THAT A NON-ALKALINE SOLUTION BE USED FOR PREPARATION & WASHING OF THE BRIGHT ALUMINUM MOLDINGS.
PIC-5822-B2016-08-24. Service bulletin. STRUCTURE:FRAME AND MEMBERS. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES THE TECHNICIAN WITH THE STEPS TO DIAGNOSE AND REPAIR THE CONCERN OF MILDEW ODOR OR WATER ON FRONT FLOOR ON EITHER SIDE OF THE VEHICLE. TECHNICIAN WILL GAIN ACCESS TO THE FRONT WHEELHOUSE OF THE AFFECTED SIDE. THE FRONT WHEEL HOUSE FLANGE MAY HAVE A VOID IN THE SEALER CAUSING WATER TO LEAK THROUGH AND ACCUMULATE ON THE FLOOR OR WET CARPET WILL BE FOUND. A THUMB GRADE SEALER WILL NEED TO BE PLACED IN THE VOID TO PREVENT THE WATER LEAK INTO THE CABIN.
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.
PI-0281-E2016-08-06. Service bulletin. EQUIPMENT; STRUCTURE:FRAME AND MEMBERS:UNDERBODY SHIELDS. THIS PRELIMINARY INFORMATIONAL BULLETIN PROVIDES INFORMATION THAT MAY BE HELPFUL WHEN ADDRESSING UNDERBODY COMPONENT CORROSION WITH CUSTOMERS.
PI0672A2016-06-13. Service bulletin. STRUCTURE:BODY:DOOR. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
PI0216A2016-06-13. Service bulletin. STRUCTURE. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
PI-0018-B2014-01-04. Service bulletin. STRUCTURE:BODY:DOOR; VISIBILITY:GLASS, SIDE/REAR. GENERAL MOTORS: THE WINDOWS, FRONT AND REAR, WOULD BIND, POOR FIT, MISALIGNMENT, MAKES RATTLE OR SQUEAKING NOISES, MOVES SLOWLY AND IS INOPERATIVE. MODEL 2008-2014 VEHICLES AND TRUCKS. *PE
PIC-58222013-05-08. Service bulletin. STRUCTURE:FRAME AND MEMBERS:UNDERBODY SHIELDS; STRUCTURE. CHEVROELT: WATER ON THE FLOOR OR CARPET. THIS COULD BE CAUSED BY THE FRONT WHEEL HOUSE FLANGE HAVING A VOID IN THE SEALER. THIS CAN BE CORRECTED BY SEALING THE VOID. ALSO INCLUDED BUICK LACROSSE, BUICK REGAL, CADILLAC XTS, AND CHEVROLET MALIBU MODEL YEAR 2014. *KB UPDATED 09/20/2013 *JS
PIE-01722011-06-27. Service bulletin. STRUCTURE:BODY:DOOR; STRUCTURE:BODY:DOOR:HINGE AND ATTACHMENTS. GM: THE OUTSIDE DOOR HANDLES ARE STICKING AND NOT RETURNING TO THEIR ORIGINAL POSITION. 2011 REGAL. *RM

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