{"nhtsa_id":10125976,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-12-22","date":"2014-06-26","document_id":"PIP4898B","mfr_campaign":null,"replaces":null,"component":"FUEL SYSTEM, GASOLINE; ENGINE","mfr_system":null,"summary":"This Preliminary Information communication provides information to the technician about vehicles that may have an engine buzz, moan, rattle, whine, or vibration type noise that can typically be heard at idle or low revolutions per minute. The noise does not indicate a problem and will not result in damage to the pump or the engine. If the customer is dissatisfied with the oil pump whine noise replacement of the oil pump will resolve the concern.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2014/MC-10125976-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2014/MC-10125976-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10125976","components":[{"id":"engine","name":"Engine","parent":null},{"id":"fuel-system","name":"Fuel system","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"EXPRESS","year_from":2010,"year_to":2012,"match":"exact","vehicle_ids":["2010_chevrolet_express","2011_chevrolet_express","2012_chevrolet_express"]},{"make":"CHEVROLET","model":"SILVERADO 1500","year_from":2010,"year_to":2011,"match":"base","vehicle_ids":["2010_chevrolet_silverado","2011_chevrolet_silverado"]},{"make":"CHEVROLET","model":"SILVERADO 2500","year_from":2010,"year_to":2012,"match":"base","vehicle_ids":["2010_chevrolet_silverado","2011_chevrolet_silverado","2012_chevrolet_silverado"]},{"make":"GMC","model":"SAVANA","year_from":2010,"year_to":2012,"match":"exact","vehicle_ids":["2010_gmc_savana","2011_gmc_savana","2012_gmc_savana"]},{"make":"GMC","model":"SIERRA 2500","year_from":2010,"year_to":2012,"match":"base","vehicle_ids":["2010_gmc_sierra","2011_gmc_sierra","2012_gmc_sierra"]},{"make":"GMC","model":"SIERRA DENALI","year_from":2010,"year_to":2012,"match":"base","vehicle_ids":["2010_gmc_sierra","2011_gmc_sierra","2012_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":[]}