{"nhtsa_id":10105924,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-06-09","date":"2015-11-09","document_id":"LTB00858NAS1","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT:APPLIANCE:AIR CONDITIONER","mfr_system":null,"summary":"\"SITUATION: A HIGH-PITCHED 'WHISTLE' NOISE MAY BE EVIDENT FROM THE INSTRUMENT PANEL AREA WHEN THE CLIMATE CONTROL SYSTEM IS IN USE AND ENGINE SPEED IS BETWEEN 2,000 AND 3,000 RPM. CAUSE: THIS MAY BE CAUSED BY A RESONANCE WITHIN CLIMATE CONTROL SYSTEM AIR CONDITIONING (A/C) PIPES.\"","document":null,"url":"https://open.wenmarpro.com/bulletins/10105924","components":[{"id":"equipment","name":"Equipment and accessories","parent":null},{"id":"hvac","name":"Heating and air conditioning","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"LAND ROVER","model":"LR4","year_from":2014,"year_to":2016,"match":"exact","vehicle_ids":["2014_land-rover_lr4","2015_land-rover_lr4","2016_land-rover_lr4"]}],"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":[]}