{"nhtsa_id":10034547,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2010-12-03","date":"2010-07-28","document_id":"TIB-5953","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:ENGINE","mfr_system":null,"summary":"CATERPILLAR: PREVENTING CRACKS AND LEAKS IN THE COMPOSITE VALVE COVERS ON SOME ENGINES. VALVE COVERS CAN POTENTIALLY CRACK OR OIL LEAKAGE CAN OCCUR BECAUSE THE INCORRECT SEAL AND/OR THE SPACER IS INSTALLED. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10034547","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CATERPILLAR","model":"C9","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]}],"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":[]}