{"nhtsa_id":619733,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2001-06-25","date":"2001-05-01","document_id":"9TR01","mfr_campaign":null,"replaces":"5TR93","component":"POWER TRAIN:AUTOMATIC TRANSMISSION","mfr_system":null,"summary":"SUBJECT REGARDING THE RELEASE OF THE NEW POLYESTER SUMP FILTER FOR ALL AT 500 TRANSMISSIONS WITH THE 5.3 INCH DEEP OIL PAN. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/619733","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"automatic-transmission","name":"Automatic transmission","parent":"powertrain"}],"codes":[],"topics":[],"vehicles":[{"make":"ALLISON","model":"TRANSMISSION","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":[]}