{"nhtsa_id":10227535,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-12-12","date":"2022-11-08","document_id":"TSB220213-110820","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT","mfr_system":null,"summary":"This Technical Service Bulletin was issued for Visible Engine Vapor Observed at Crankcase Breather Vent Tube. Symptom: Equipment experiencing visible engine vapor at crankcase breather vent tube. Root Cause: Vapors can escape the crankcase breather vent tube because of the design change to maintenance-free impactor breather on model year 21 L9 CM2450. Verification Verify equipment has fewer than 3219 km or [ 2,000 miles ]. Verify that no visible liquid drips from the crankcase breather vent tube\"","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10227535-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10227535-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10227535","components":[{"id":"equipment","name":"Equipment and accessories","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CUMMINS","model":"L9","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":[]}