{"nhtsa_id":10076121,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2016-07-07","date":"2016-01-14","document_id":"E137","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT","mfr_system":null,"summary":"Subject MX-13 & MX-11 Valve Adjustment Intervals Customers and maintenance providers should be aware of the new valve adjustment intervals for PACCAR MX-13 engines.","document":null,"url":"https://open.wenmarpro.com/bulletins/10076121","components":[{"id":"equipment","name":"Equipment and accessories","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"KENWORTH","model":"KENWORTH","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":[]}