{"nhtsa_id":620853,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2001-08-31","date":"2001-07-01","document_id":"010139002","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT:APPLIANCE:AIR CONDITIONER","mfr_system":null,"summary":"SOME CUSTOMERS MAY COMMENT ON EXCESSIVE NOISE FROM THE ENGINE COMPARTMENT WITH THE A/C ON. SOME CUSTOMERS ALSO MAY COMMENT THAT THE A/C SYSTEM IS INOPERATIVE. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/620853","components":[{"id":"equipment","name":"Equipment and accessories","parent":null},{"id":"hvac","name":"Heating and air conditioning","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"C/K UTILITY","year_from":2000,"year_to":2000,"match":null,"vehicle_ids":[]},{"make":"GMC","model":"C/K UTILITY","year_from":2000,"year_to":2000,"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":[]}