{"nhtsa_id":10055988,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2014-08-08","date":"2014-05-01","document_id":"PI-0850","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT","mfr_system":null,"summary":"MACK TRUCK: DUE TO AN INCORRECT INSTALLATION OF FRONT AXLE U BOLT WEDGE, CAUSED THE U-BOLTS TO BEND WOULD NEED REPLACEMENT OF THE U-BOLTS AND NUTS. MODEL CHU. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10055988","components":[{"id":"equipment","name":"Equipment and accessories","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"MACK","model":"CHU","year_from":2013,"year_to":2014,"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":[]}