{"nhtsa_id":606773,"type":"service_bulletin","type_name":"Service bulletin","date_added":"1999-09-02","date":"1999-05-04","document_id":"SB232010","mfr_campaign":null,"replaces":"SB232010","component":"ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN","mfr_system":null,"summary":"NFORMATION ON THE FITTING / RETAINER FOR FAN CLUTCH AIR LINE. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/606773","components":[{"id":"engine","name":"Engine","parent":null},{"id":"cooling-fan","name":"Cooling fan","parent":"engine"},{"id":"cooling-system","name":"Cooling system","parent":"engine"}],"codes":[],"topics":[],"vehicles":[{"make":"MACK","model":"MACK","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":[]}