{"nhtsa_id":10084171,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2016-11-09","date":"2016-10-28","document_id":"SB16-D-001","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT:APPLIANCE:AIR CONDITIONER","mfr_system":null,"summary":"AN INVESTIGATION OF THE AIR CONDITIONING COMPRESSORS RETURNED AS WARRANTY PARTS HAS SHOWN THAT COMPRESSORS ARE BEING UNNECESSARILY REPLACED. THE COMMON COMPLAINTS OF NOISE AND/OR POOR COOLING ARE MOST LIKELY A RESULT OF LOW REFRIGERANT LEVELS. IN ORDER TO HELP TECHNICIANS DIAGNOSE A/C SYSTEM PROBLEMS, ISUZU COMMERCIAL TRUCK OF AMERICA, INC. (ISUZU) IS PROVIDING THE DIAGNOSTIC PROCEDURE TO HELP DIFFERENTIATE BETWEEN A LOW REFRIGERANT CONDITION AND A MECHANICAL ISSUE.","document":null,"url":"https://open.wenmarpro.com/bulletins/10084171","components":[{"id":"equipment","name":"Equipment and accessories","parent":null},{"id":"hvac","name":"Heating and air conditioning","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"ISUZU","model":"N SERIES","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]}],"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":[]}