2013.Chevy 2500.Hd Brake.Booster.Diagram
EDIT: Photobucket turned into a scam and lost my linked photos. Trying imgur.com as of 11/6/2017 for linking these photos. Do you have power steering fluid leaking from the weep hole where the hydroboost unit bolts to the brake master cylinder? If so, you have a worn piston seal that is allowing fluid to escape. This seal is Bendix part number 129484. If you have a local hydraulic repair shop or some other place that sells oil seals, you may first try to see if someone local can get you a replacement. Your other option is to purchase the repair kit from Piratejack.net "2771004X Hydro-Boost Repair Kit" for $33. Unfortunately you can't just buy the 1 or 2 seals you need, you get the whole kit of 25 or so seals. I only used the 129484 and 2770532 seals. But it beats purchasing a whole n