{"nhtsa_id":612046,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2000-06-05","date":"1997-12-01","document_id":"97004","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:ENGINE","mfr_system":null,"summary":"CONCERNS WTH ISOLATED FAILURES OF HARDWARE SECURING THE ADD-ON CRANK PULLEY IN CERTAIN KITS WHICH COULD RESULT IN THE LOSS OF THE CRANK PULLEY. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/612046","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"TRANSAIR","model":"IHC 444","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":[]}