{"nhtsa_id":10143459,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-08-06","date":"2018-06-27","document_id":"PIP5121C","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT; ENGINE; EQUIPMENT ADAPTIVE/MOBILITY","mfr_system":null,"summary":"This Preliminary Information communication provides information to the technician about vehicles that have the oil pressure gauge jumps from approximately 40 lb. to 60 lb. The 4.3L (LV3), 5.3L (L83), 6.2L (L86) engines are equipped with a two stage oil pump. Dealer should advise the customer this is normal operation for these engines.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10143459-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10143459-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10143459","components":[{"id":"engine","name":"Engine","parent":null},{"id":"equipment","name":"Equipment and accessories","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CADILLAC","model":"ESCALADE","year_from":2015,"year_to":2018,"match":"exact","vehicle_ids":["2015_cadillac_escalade","2016_cadillac_escalade","2017_cadillac_escalade","2018_cadillac_escalade"]},{"make":"CHEVROLET","model":"SILVERADO 1500","year_from":2014,"year_to":2018,"match":"base","vehicle_ids":["2014_chevrolet_silverado","2015_chevrolet_silverado","2016_chevrolet_silverado","2017_chevrolet_silverado","2018_chevrolet_silverado"]},{"make":"CHEVROLET","model":"SUBURBAN","year_from":2015,"year_to":2018,"match":"exact","vehicle_ids":["2015_chevrolet_suburban","2016_chevrolet_suburban","2017_chevrolet_suburban","2018_chevrolet_suburban"]},{"make":"CHEVROLET","model":"TAHOE","year_from":2015,"year_to":2018,"match":"exact","vehicle_ids":["2015_chevrolet_tahoe","2016_chevrolet_tahoe","2017_chevrolet_tahoe","2018_chevrolet_tahoe"]},{"make":"GMC","model":"SIERRA 1500","year_from":2014,"year_to":2018,"match":"base","vehicle_ids":["2014_gmc_sierra","2015_gmc_sierra","2016_gmc_sierra","2017_gmc_sierra","2018_gmc_sierra"]},{"make":"GMC","model":"YUKON","year_from":2015,"year_to":2018,"match":"exact","vehicle_ids":["2015_gmc_yukon","2016_gmc_yukon","2017_gmc_yukon","2018_gmc_yukon"]},{"make":"GMC","model":"YUKON DENALI","year_from":2015,"year_to":2018,"match":"base","vehicle_ids":["2015_gmc_yukon","2016_gmc_yukon","2017_gmc_yukon","2018_gmc_yukon"]},{"make":"GMC","model":"YUKON DENALI XL","year_from":2015,"year_to":2018,"match":"base","vehicle_ids":["2015_gmc_yukon","2016_gmc_yukon","2017_gmc_yukon","2018_gmc_yukon"]},{"make":"GMC","model":"YUKON XL","year_from":2015,"year_to":2018,"match":"exact","vehicle_ids":["2015_gmc_yukon-xl","2016_gmc_yukon-xl","2017_gmc_yukon-xl","2018_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":[]}