{"nhtsa_id":10083140,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2016-10-20","date":"2016-08-05","document_id":"PIP5382C","mfr_campaign":null,"replaces":null,"component":"ENGINE","mfr_system":null,"summary":"THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THAT GENERATION 5 ENGINES WITH REGULAR PRODUCTION OPTION CODE L83, L86, OR LV3 MAY HAVE AN OIL CONSUMPTION CONCERN WERE ONE QUART IN 2000 MILES IS BEING USED. DEALER WILL CONFIRM OIL LEVEL WAS PROPERLY CHECKED PER OWNER’S MANUAL, AND CHECK THE BOLT TORQUE ON THE VALVE LIFTER OIL MANIFOLD ASSEMBLY, BEFORE YOU CONTACTING GENERAL MOTORS PRODUCT QUALITY CENTER.","document":null,"url":"https://open.wenmarpro.com/bulletins/10083140","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CADILLAC","model":"ESCALADE","year_from":2015,"year_to":2016,"match":"exact","vehicle_ids":["2015_cadillac_escalade","2016_cadillac_escalade"]},{"make":"CHEVROLET","model":"SILVERADO 1500","year_from":2014,"year_to":2016,"match":"base","vehicle_ids":["2014_chevrolet_silverado","2015_chevrolet_silverado","2016_chevrolet_silverado"]},{"make":"CHEVROLET","model":"SUBURBAN","year_from":2015,"year_to":2016,"match":"exact","vehicle_ids":["2015_chevrolet_suburban","2016_chevrolet_suburban"]},{"make":"CHEVROLET","model":"TAHOE","year_from":2015,"year_to":2016,"match":"exact","vehicle_ids":["2015_chevrolet_tahoe","2016_chevrolet_tahoe"]},{"make":"GMC","model":"SIERRA 1500","year_from":2014,"year_to":2016,"match":"base","vehicle_ids":["2014_gmc_sierra","2015_gmc_sierra","2016_gmc_sierra"]},{"make":"GMC","model":"YUKON","year_from":2015,"year_to":2016,"match":"exact","vehicle_ids":["2015_gmc_yukon","2016_gmc_yukon"]},{"make":"GMC","model":"YUKON XL","year_from":2015,"year_to":2016,"match":"exact","vehicle_ids":["2015_gmc_yukon-xl","2016_gmc_yukon-xl"]}],"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":[]}