Service bulletins for the 2011 Chevrolet HHR
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.
1130 on file from NHTSA, as of 2026-10-19.
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Only bulletins with component: Exhaust manifold, pipes and muffler are shown. Show all
| PI-0470 | 2011-06-27. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE; ENGINE AND ENGINE COOLING:ENGINE. GM: THERE IS A SLIGHT OIL SEEP FROM THE CENTER OIL GALLEY PLUG ON THE BACK OF THE ENGINE BY THE EXHAUST MANIFOLD. 2011 HHR/MALIBU. *RM |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.