{"nhtsa_id":10232443,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-03-04","date":"2023-02-01","document_id":"M1513","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING; POWER TRAIN","mfr_system":null,"summary":"SERVICE BULLETIN M1513: DIAGNOSTICS AND REPAIR - LEAKS, WEEPS AND SEEPS. PURPOSE: REVISION. To inform dealers on how to diagnose leaking seals or gaskets. This can sometimes be difficult, unless oil is obviously pouring out of the seal. Usually, a seal will weep or leak at a very slow rate. Revision: [Verbal Edits] Updated: Diagnosing the Source, Seals, Residual Assembly Lubricant, Required Dealer Action. [Removed sections] Updated: Common Types of Leaks, Inside Diameter, Outside Diameter.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10232443-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10232443-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10232443","components":[{"id":"engine","name":"Engine","parent":null},{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"HARLEY-DAVIDSON","model":"HARLEY-DAVIDSON","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":[]}