{"nhtsa_id":10100535,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-05-24","date":"2016-09-21","document_id":"PIT5519A","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT:APPLIANCE:AIR CONDITIONER","mfr_system":null,"summary":"THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLES THAT HAVE A POOR HEATER-VENT-AIR CONDITIONING AIR FLOW FROM THE PASSENGER SIDE FAR RIGHT DASH VENT WHEN COMPARED TO THE OTHER DASH VENTS. TECHNICIAN WILL NEED TO REMOVE THE HEATER-VENT-AIR CONDITIONING AIR DISTRIBUTOR DUCT. TECHNICIAN CAN NOW CUT OUT THE PORTION OF THE DEFLECTOR TO INCREASE AIR FLOW.","document":null,"url":"https://open.wenmarpro.com/bulletins/10100535","components":[{"id":"equipment","name":"Equipment and accessories","parent":null},{"id":"hvac","name":"Heating and air conditioning","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"SILVERADO 1500","year_from":2016,"year_to":2016,"match":"base","vehicle_ids":["2016_chevrolet_silverado"]},{"make":"GMC","model":"SIERRA 1500","year_from":2016,"year_to":2016,"match":"base","vehicle_ids":["2016_gmc_sierra"]}],"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":[]}