{"nhtsa_id":613962,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2000-09-22","date":"2000-06-08","document_id":"NTB00050","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:ENGINE:GASOLINE","mfr_system":null,"summary":"ADDRESSING CONCERNS WITH VEHICLES BUILT BEFORE 1N6ED27T*YC414670 EXHIBITING A DRONE NOISE INSIDE THE VEHICLE DURING WARM-UP AS THE ENGINE SPEED SLOWLY DROPS DOWN THROUGH 1,000 RPM. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/613962","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"NISSAN","model":"FRONTIER","year_from":2000,"year_to":2000,"match":"exact","vehicle_ids":["2000_nissan_frontier"]}],"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":[]}