{"nhtsa_id":10117889,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-09-20","date":"2013-09-16","document_id":"SEPD166500","mfr_campaign":null,"replaces":null,"component":"WHEELS:LUGS/NUTS/BOLTS/STUDS","mfr_system":null,"summary":"CT11 and CT13 Valve Cover Bolts - The valve covers on the CT11 and CT13 engines contain bolts that have different lengths.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2013/MC-10117889-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2013/MC-10117889-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10117889","components":[{"id":"wheels","name":"Wheels","parent":null},{"id":"lug-nut","name":"Wheel nuts and studs","parent":"wheels"}],"codes":[],"topics":[],"vehicles":[{"make":"CATERPILLAR","model":"CT660","year_from":2012,"year_to":2017,"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":[]}