{"nhtsa_id":10049459,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2013-01-16","date":"2012-12-11","document_id":"12TS-21","mfr_campaign":null,"replaces":null,"component":"FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM","mfr_system":null,"summary":"DETROIT: DD PLATFORM FUEL INJECTOR CUP SEALS. INJECTOR CUP SEALS INSTALLED IN DD ENGINES CAN FAIL AND CAUSE COOLANT LEAKS OR CROSS CONTAMINATION WITH FUEL. IF AN INJECTOR CUP HAS FAILED, REPLACE ALL SIX INJECTOR CUP SEALS. *JS","document":null,"url":"https://open.wenmarpro.com/bulletins/10049459","components":[{"id":"fuel-system","name":"Fuel system","parent":null},{"id":"fuel-injector","name":"Fuel injection","parent":"fuel-system"}],"codes":[],"topics":[],"vehicles":[{"make":"DETROIT","model":"DETROIT","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":[]}