{"nhtsa_id":10174819,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2020-05-11","date":"2020-04-14","document_id":"PIP5723","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT; ENGINE","mfr_system":null,"summary":"This Preliminary information communicates Some customers may comment on a hiss or vacuum leak noise coming from the engine compartment during normal engine operation. Or upon inspection technician may notice the hiss or vacuum leak noise coming from the foul air PCV tube to intake connection. This condition is caused by normal air flow through the PCV tube","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10174819-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10174819-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10174819","components":[{"id":"engine","name":"Engine","parent":null},{"id":"equipment","name":"Equipment and accessories","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"CORVETTE","year_from":2020,"year_to":2020,"match":"exact","vehicle_ids":["2020_chevrolet_corvette"]}],"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":[]}