Service bulletins for the 2011 Buick Lucerne
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.
1136 on file from NHTSA, as of 2026-10-19.
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Only bulletins with component: Cooling system are shown. Show all
| PIP5684B | 2020-08-10. 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. |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.