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Service bulletins for the 2012 Chevrolet Sonic

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.

1589 on file from NHTSA, as of 2026-10-19.

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Only bulletins with component: Cooling system are shown. Show all

Bulletins, newest first
PIP5684B2020-08-10. Service bulletin. ENGINE; ENGINE AND ENGINE COOLING:COOLING SYSTEM; EQUIPMENT. This Preliminary information communicates the use of air leak diagnostic test tool CH-52250 in addition to the information found in the service manual.
20NA0242020-04-06. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM. This informational bulletin provides a information and diagnostic steps/tips for vehicles that are slow to heat up in cold temperatures.
PI1041B2018-05-21. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING:COOLING SYSTEM. This preliminary bulletin provides information on diagnosing a water pump for what is considered a leak and replace the pump correctly.
PI1166C2017-08-15. Service bulletin. ENGINE AND ENGINE COOLING; ENGINE AND ENGINE COOLING:COOLING SYSTEM. This preliminary informational bulletin provides diagnostic and repair information to correct a customer concern of vehicle slow to heat up in cold ambient temperatures.
PI14112017-08-15. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM. This preliminary informational bulletin provides a diagnostic tip for technicians who may find an oil leak after a recent oil change has been performed.
PI10412017-08-15. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM; ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY. This preliminary information bulletin provides information on water pump replacement.
PI0909B2017-08-15. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM. This preliminary information bulletin provides information for the low oil pressure light on at a idle in which may be caused by oil pressure being bled off due to debris in the oil drain check valve and/or a smashed oil filter.
PIC57732017-08-15. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY; EQUIPMENT:MECHANICAL. This Preliminary Information communication provides information to the technician about vehicles that have a rattle, clunk or flutter type noise coming from the front of the vehicle while driving. Technician will need to inspect the upper radiator baffle for a loose or missing clip.
14371B2015-05-07. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM. GENERAL MOTORS: 2011-2014 CHEVROLET CRUZE CHEVROLET SONIC/ W 1.4L ENGINE(RPO LUJ OR LUV): SOME MODEL VEHICLES MAY EXPERIENCE ENGINE COOLANT LEAK FROM THE WATER PUMP. THIS COULD REDUCE COOLANT PERFORMANCE AND CAUSE OVERHEATING. *LJ SEE DOCUMENT SEARCH BUTTON FOR OWNERS LETTER. *LJ

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