{"nhtsa_id":629633,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2002-04-04","date":"2001-12-17","document_id":"171201","mfr_campaign":null,"replaces":null,"component":"SUSPENSION:FRONT","mfr_system":null,"summary":"SOME CUSTOMERS MAY COMMENT ON A SQUEAK OR RATTLE EMANATING FROM THE FRONT END OR FRONT SUSPENSION ON THEIR FOUR-WHEEL DRIVE TRUCK. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/629633","components":[{"id":"suspension","name":"Suspension","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"SILVERADO","year_from":2001,"year_to":2001,"match":"exact","vehicle_ids":["2001_chevrolet_silverado"]},{"make":"GMC","model":"SIERRA","year_from":2001,"year_to":2001,"match":"exact","vehicle_ids":["2001_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":[]}