{"nhtsa_id":10154421,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2019-03-11","date":"2019-01-25","document_id":"11-189-19","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)","mfr_system":null,"summary":"This Service Information bulletin announces a change to the required thread sealer used when installing the PCV valve into the engine block. The previously used material may solidify and cause damage to the engine block threads during PCV valve removal.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10154421-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10154421-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10154421","components":[{"id":"engine","name":"Engine","parent":null},{"id":"exhaust-emissions","name":"Exhaust and emissions","parent":null},{"id":"pcv","name":"Crankcase ventilation (PCV)","parent":"exhaust-emissions"}],"codes":[],"topics":[],"vehicles":[{"make":"SUBARU","model":"CROSSTREK","year_from":2017,"year_to":2018,"match":"exact","vehicle_ids":["2017_subaru_crosstrek","2018_subaru_crosstrek"]},{"make":"SUBARU","model":"IMPREZA","year_from":2017,"year_to":2018,"match":"exact","vehicle_ids":["2017_subaru_impreza","2018_subaru_impreza"]}],"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":[]}