{"nhtsa_id":10034634,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2010-12-14","date":"2011-02-23","document_id":"SB-01-028-10","mfr_campaign":null,"replaces":"SB-01-010-11","component":"ENGINE AND ENGINE COOLING:ENGINE","mfr_system":null,"summary":"MAZDA: VARIABLE VALVE TIMING (VVT) NOISE WHEN STARTING ENGINE. WHEN ENGINE IS FIRST STARTED, SOME VEHICLES MAY EXHIBIT A LOUD TICKING NOISE FROM THE VARIABLE VALVE TIMING (VVT) (A). THIS IS CAUSED BY THE LOCK PIN OF THE VARIABLE VALVE TIMING ACTUATOR NOT FULLY ENGAGING OR FROM A WORN LOCK PIN HOLE. *PE UPDATED ON 06/08/2011. *KB","document":null,"url":"https://open.wenmarpro.com/bulletins/10034634","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"MAZDA","model":"CX-7","year_from":2007,"year_to":2007,"match":"exact","vehicle_ids":["2007_mazda_cx-7"]},{"make":"MAZDA","model":"MAZDA3","year_from":2004,"year_to":2008,"match":"exact","vehicle_ids":["2004_mazda_mazda3","2005_mazda_mazda3","2006_mazda_mazda3","2007_mazda_mazda3","2008_mazda_mazda3"]},{"make":"MAZDA","model":"MAZDA5","year_from":2006,"year_to":2008,"match":"exact","vehicle_ids":["2006_mazda_mazda5","2007_mazda_mazda5","2008_mazda_mazda5"]},{"make":"MAZDA","model":"MAZDA6","year_from":2003,"year_to":2008,"match":"exact","vehicle_ids":["2003_mazda_mazda6","2004_mazda_mazda6","2005_mazda_mazda6","2006_mazda_mazda6","2007_mazda_mazda6","2008_mazda_mazda6"]},{"make":"MAZDA","model":"MAZDASPEED3","year_from":2007,"year_to":2007,"match":null,"vehicle_ids":[]},{"make":"MAZDA","model":"MAZDASPEED6","year_from":2006,"year_to":2007,"match":null,"vehicle_ids":[]},{"make":"MAZDA","model":"MX-5","year_from":2006,"year_to":2008,"match":"exact","vehicle_ids":["2006_mazda_mx-5","2007_mazda_mx-5","2008_mazda_mx-5"]}],"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":[]}