{"nhtsa_id":622398,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2001-10-17","date":"2001-06-20","document_id":"170102","mfr_campaign":null,"replaces":"170002","component":"ENGINE AND ENGINE COOLING:ENGINE:GASOLINE","mfr_system":null,"summary":"SUBJECT REGARDING ENGINE OIL LEAK AFTER CHANGING ENGINE OIL. MAY BE CAUSED BY CONTAMINATES ON THREADS OF OIL DRAIN PLUG OR OIL PAN (IF BOTH ARE NOT CLEANED PRIOR TO INSTALLING AND TIGHTENING THE OIL DRAIN PLUG TO THE PROPER TORQUE). *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/622398","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"VOLKSWAGEN","model":"VOLKSWAGEN","year_from":1999,"year_to":2001,"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":[]}