{"nhtsa_id":614142,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2000-09-29","date":"2000-03-01","document_id":"SB0001S002","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:ENGINE","mfr_system":null,"summary":"SOME 1997 AND EARLIER VEHICLES MAY EXHIBIT A CONDITION OF TICKING SOUNDS COMING FROM THE VALVETRAIN DURING NORMAL OPERATION. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/614142","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"ISUZU","model":"RODEO","year_from":1997,"year_to":1997,"match":"exact","vehicle_ids":["1997_isuzu_rodeo"]},{"make":"ISUZU","model":"TROOPER","year_from":1997,"year_to":1997,"match":"exact","vehicle_ids":["1997_isuzu_trooper"]}],"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":[]}