{"nhtsa_id":10038707,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2011-06-27","date":"2011-05-01","document_id":"PI-0470","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE; ENGINE AND ENGINE COOLING:ENGINE","mfr_system":null,"summary":"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","document":null,"url":"https://open.wenmarpro.com/bulletins/10038707","components":[{"id":"engine","name":"Engine","parent":null},{"id":"exhaust-emissions","name":"Exhaust and emissions","parent":null},{"id":"exhaust-pipe","name":"Exhaust manifold, pipes and muffler","parent":"exhaust-emissions"}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"HHR","year_from":2011,"year_to":2011,"match":"exact","vehicle_ids":["2011_chevrolet_hhr"]},{"make":"CHEVROLET","model":"MALIBU","year_from":2011,"year_to":2011,"match":"exact","vehicle_ids":["2011_chevrolet_malibu"]}],"as_of":"2026-10-19","note":"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.","attribution":[]}