{"nhtsa_id":629525,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2002-04-02","date":"2002-02-01","document_id":"010139005A","mfr_campaign":null,"replaces":"010139005","component":"VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM","mfr_system":null,"summary":"SOME CUSTOMERS MAY COMMENT ON A RESONATING NOISE OR VIBRATION IN THE PASSENGER COMPARTMENT WITH A/C ON BETWEEN 2000 - 2400 RPM. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/629525","components":[{"id":"visibility","name":"Glass, wipers and mirrors","parent":null},{"id":"hvac","name":"Heating and air conditioning","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"C SERIES","year_from":2001,"year_to":2002,"match":null,"vehicle_ids":[]},{"make":"CHEVROLET","model":"K SERIES","year_from":2001,"year_to":2002,"match":null,"vehicle_ids":[]},{"make":"GMC","model":"C SERIES","year_from":2001,"year_to":2002,"match":null,"vehicle_ids":[]},{"make":"GMC","model":"K SERIES","year_from":2001,"year_to":2002,"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":[]}