{"nhtsa_id":10164607,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2019-09-09","date":"2018-09-20","document_id":"P7-146","mfr_campaign":null,"replaces":null,"component":"EXTERIOR LIGHTING; STRUCTURE; VISIBILITY","mfr_system":null,"summary":"This Procedure outlines the steps to improve upper-marker light weather sealing by replacing the existing well-nuts and installing new gaskets on model year 2018-2019 J4500 model coaches.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10164607-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10164607-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10164607","components":[{"id":"structure-body","name":"Body and frame","parent":null},{"id":"visibility","name":"Glass, wipers and mirrors","parent":null},{"id":"lighting","name":"Lighting","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"MCI","model":"J4500","year_from":2018,"year_to":2019,"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":[]}