{"nhtsa_id":10137403,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-05-21","date":"2018-03-19","document_id":"16NA218","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN; STEERING:HYDRAULIC POWER ASSIST:POWER STEERING FLUID; STEERING","mfr_system":null,"summary":"Brake Hydrdroboost Leaking Power Steering Fluid, this may be due to overheating (thermal set of the hydro boost seals) from lack of/insufficient cooling by the loop cooler.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10137403-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10137403-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10137403","components":[{"id":"steering","name":"Steering","parent":null},{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"power-steering","name":"Power steering","parent":"steering"}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"EXPRESS","year_from":2012,"year_to":2016,"match":"exact","vehicle_ids":["2012_chevrolet_express","2013_chevrolet_express","2014_chevrolet_express","2015_chevrolet_express","2016_chevrolet_express"]},{"make":"GMC","model":"SAVANA","year_from":2012,"year_to":2016,"match":"exact","vehicle_ids":["2012_gmc_savana","2013_gmc_savana","2014_gmc_savana","2015_gmc_savana","2016_gmc_savana"]}],"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":[]}