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Service bulletins for the 2012 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.

1749 on file from NHTSA, as of 2026-10-19.

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Only bulletins with component: Drive belts are shown. Show all

Bulletins, newest first
PI11732018-05-29. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS; EQUIPMENT. This preliminary information bulletin provides a procedure to install a new belt and pulley to correct the customers concern of a rattle and chirping noise.
PIC5720A2017-08-15. Service bulletin. ELECTRICAL SYSTEM:WIRING; EQUIPMENT:APPLIANCE:AIR CONDITIONER; ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS. This Preliminary Information communication provides information to the technician on the steps needed to diagnose and repair vehicles that may have buzz or hum noise is heard in the right front at times. Also may have a Antilock Braking System Malfunction Indicator Lamp, Service Brake Assist Message or Service Engine Soon Malfunction Indicator Lamp may be displayed. The following Diagnostic Trouble Code may be set C027B, C0040 and P0CBE. The technician will inspect for the wire harness under the hood to be contacting the crank pulley, air conditioning compressor pulley or accessory drive belt due to misrouting or not secured properly. Repair wiring as needed or replace the harness, correct routing and properly secure. Once wiring repairs are complete confirm proper brake booster vacuum pump operation.
PIP4989C2016-05-09. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
PIP-4989-B2012-06-18. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS; ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR. BUICK/CHEVROLET: ON CERTAIN EASSIST VEHICLES, BELT FOR THE DRIVE MOTOR GENERATOR MAY BE NOISY, BROKEN, MISALIGNED OR WORN, RESULTING IN A NO CHARGE CONCERN WITH THE MESSAGE, BATTERY SAVER ILLUMINATED. *PE UPDATED ON 5/9/2013. *KB

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