{"nhtsa_id":10178158,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2020-08-07","date":"2020-07-13","document_id":"CPI472312","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT; ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"Through warranty analysis, Reman has detected a higher than expected failure rate on C15/C18 heads through head cracking. The goal of this project is to evaluate and address the root causes of head cracking.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10178158-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10178158-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10178158","components":[{"id":"engine","name":"Engine","parent":null},{"id":"equipment","name":"Equipment and accessories","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CATERPILLAR","model":"3406E","year_from":1999,"year_to":1999,"match":null,"vehicle_ids":[]},{"make":"CATERPILLAR","model":"C-15","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"CATERPILLAR","model":"C15","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":[]}