{"nhtsa_id":615638,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2001-01-26","date":"2000-12-14","document_id":"00600","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN:CLUTCH ASSEMBLY:BELL HOUSING","mfr_system":null,"summary":"SOME 4X4 MODELS MAY HAVE A VIBRATION AT HIGH SPEEDS WHICH MAY CAUSE THE TRANSMISSION EXTENSION HOUSING TO LEAK OR THE TRANSMISSION EXTENSION HOUSING BUSHING TO MOVE OUT OF POSITION OR BECOME DAMAGED. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/615638","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"clutch","name":"Clutch","parent":"powertrain"}],"codes":[],"topics":[],"vehicles":[{"make":"MAZDA","model":"B-SERIES TRUCK","year_from":1998,"year_to":2000,"match":"base","vehicle_ids":["1998_mazda_b-series","1999_mazda_b-series","2000_mazda_b-series"]}],"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":[]}