{"nhtsa_id":619139,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2001-05-15","date":"2000-11-14","document_id":"PI537","mfr_campaign":null,"replaces":"PI537","component":"POWER TRAIN:AXLE ASSEMBLY","mfr_system":null,"summary":"SUBJECT REGARDING TRANSVERSE TORQUE ROD REPLACEMENT ON CHASSIS EQUIPPED WITH HENDRICKSON HN SUSPENSIONS HAVING 18-1/2 INCH SADDLES. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/619139","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"axle","name":"Axle","parent":"powertrain"}],"codes":[],"topics":[],"vehicles":[{"make":"MACK","model":"DM","year_from":null,"year_to":null,"match":"exact","vehicle_ids":[]},{"make":"MACK","model":"LE","year_from":null,"year_to":null,"match":"exact","vehicle_ids":[]},{"make":"MACK","model":"MR","year_from":null,"year_to":null,"match":"exact","vehicle_ids":[]},{"make":"MACK","model":"RD","year_from":null,"year_to":null,"match":"exact","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":[]}