{"nhtsa_id":621972,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2001-10-09","date":"2001-08-22","document_id":"NTB01053","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN:AXLE ASSEMBLY:AXLE SHAFT","mfr_system":null,"summary":"SOME VEHICLES WITH V6 ENGINES ONLY MAY EXHIBIT A HIGH-PITCHED SQUEAL NOISE IN THE PROPSHAFT CENTER BEARING AREA UNDER HEARD ACCELERATION. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/621972","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"axle","name":"Axle","parent":"powertrain"}],"codes":[],"topics":[],"vehicles":[{"make":"NISSAN","model":"FRONTIER","year_from":1999,"year_to":2000,"match":"exact","vehicle_ids":["1999_nissan_frontier","2000_nissan_frontier"]}],"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":[]}