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Service bulletins for the 2018 Chevrolet Malibu

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.

1077 on file from NHTSA, as of 2026-10-19.

By type

By component

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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.
19NA1042019-07-29. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY. This informational bulletin provides information for dealers/technicians and customers on steam/vapor coming from the front grille or radiator area.
18NA0152018-06-04. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM. This technical bulletin provides a procedure to fill the cooling system if a customer experiences a condition of Gurgle or Water Rush Noise from Dash Area Upon a Stop due to the system not being filled all the way.

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