{"nhtsa_id":10011660,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2005-01-28","date":"2008-04-30","document_id":"SB214023","mfr_campaign":null,"replaces":"SB214023","component":"ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER; ENGINE AND ENGINE COOLING:ENGINE:OTHER FUEL TYPES:TURBO/SUPERCHARGER","mfr_system":null,"summary":"VARIABLE TURBINE GEOMETRY (VTG) TURBOCHARGER TROUBLESHOOTING AND CALIBRATION. MACK ASET AC. THIS BULLETIN SUPERSEDES 214-023 DATED 7/24/2003. *TT UPDATED 6/11/08. *NJ","document":null,"url":"https://open.wenmarpro.com/bulletins/10011660","components":[{"id":"engine","name":"Engine","parent":null},{"id":"turbocharger","name":"Turbocharger or supercharger","parent":"engine"}],"codes":[],"topics":[],"vehicles":[{"make":"MACK","model":"ASET","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"UNKNOWN","model":"UNKNOWN","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":[]}