{"nhtsa_id":10052395,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2013-07-23","date":"2013-06-13","document_id":"ITB-13-021","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT:APPLIANCE:AIR CONDITIONER","mfr_system":null,"summary":"INFINITI: WHILE THE COMPRESSOR FOR THE AIR CONDITIONER IS RUNNING, A WHINNYING OR HUMMING NOISE OR LOW PITCH MOAN SOUND, IS HEARD INSIDE OF VEHICLE, MODEL 2011-12 M37, M56. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10052395","components":[{"id":"equipment","name":"Equipment and accessories","parent":null},{"id":"hvac","name":"Heating and air conditioning","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"INFINITI","model":"M37","year_from":2011,"year_to":2012,"match":"exact","vehicle_ids":["2011_infiniti_m37","2012_infiniti_m37"]},{"make":"INFINITI","model":"M56","year_from":2011,"year_to":2012,"match":"exact","vehicle_ids":["2011_infiniti_m56","2012_infiniti_m56"]}],"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":[]}