{"nhtsa_id":10225014,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-10-31","date":"2013-11-01","document_id":"01134020355192","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:EXHAUST SYSTEM","mfr_system":null,"summary":"The leak detection pump (LDP) is a vacuum-driven, ECM-controlled, diaphragm pump. In order for the LDP to operate, the engine must be running and vacuum must be applied to the vacuum switch on the LDP. The LDP pressurizes the EVAP system and monitors any pressure drop within a specified amount of time in order to detect a leak.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2013/MC-10225014-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2013/MC-10225014-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10225014","components":[{"id":"engine","name":"Engine","parent":null},{"id":"exhaust-emissions","name":"Exhaust and emissions","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"AUDI","model":"Q7","year_from":2013,"year_to":2014,"match":"exact","vehicle_ids":["2013_audi_q7","2014_audi_q7"]}],"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":[]}