{"nhtsa_id":10123455,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-11-14","date":"2017-10-01","document_id":"P56042","mfr_campaign":null,"replaces":null,"component":"WHEELS; SERVICE BRAKES, AIR:DISC; SUSPENSION","mfr_system":null,"summary":"Operation Name: Hendrickson Trailer Commercial Vehicle Systems Document Name: Product Update - Height Control Valve Kits Summary: This document announces a design change to its AKH0282 Height Control Valve kits for certain Hendrickson INTRAAX suspension and axle systems equipped with LDA Large Diameter Axles and air disc brakes.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2017/MC-10123455-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2017/MC-10123455-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10123455","components":[{"id":"brakes","name":"Brakes","parent":null},{"id":"suspension","name":"Suspension","parent":null},{"id":"wheels","name":"Wheels","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"HENDRICKSON","model":"UNK","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":[]}