{"nhtsa_id":10125978,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-12-22","date":"2014-06-26","document_id":"PIP5137C","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN","mfr_system":null,"summary":"This Preliminary Information communication provides information to the technician about vehicles that may have a rough idle and/or a vibration at idle in gear. Technician will need to try centering the engine and transmission mount. For vehicles built before 07/01/2013 if no change the shim to the right engine mount 2 most inner bolts 3mm.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2014/MC-10125978-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2014/MC-10125978-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10125978","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"SILVERADO 1500","year_from":2014,"year_to":2014,"match":"base","vehicle_ids":["2014_chevrolet_silverado"]},{"make":"CHEVROLET","model":"SILVERADO 2500","year_from":2014,"year_to":2015,"match":"base","vehicle_ids":["2014_chevrolet_silverado","2015_chevrolet_silverado"]},{"make":"GMC","model":"SIERRA 1500","year_from":2014,"year_to":2014,"match":"base","vehicle_ids":["2014_gmc_sierra"]},{"make":"GMC","model":"SIERRA 2500","year_from":2014,"year_to":2015,"match":"base","vehicle_ids":["2014_gmc_sierra","2015_gmc_sierra"]},{"make":"GMC","model":"SIERRA DENALI","year_from":2015,"year_to":2015,"match":"base","vehicle_ids":["2015_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":[]}