darse

Dealer took 3 x's to fix IWE failures on 2017 f150 ecoboost Fx4 change left iwe - where all noise started change right iwe - still noise from left wheel replace vac hose assy near brake booster - no noise took it home and checked function - hubs staying locked. Opened hood and found 3/8" hose disconnected from iwe 1/4" hose (vacuum lines). Took back to dealer - they stuck 3/8 x 1/4 adapter in location (see pix) mileage went back up !! My question here is - anyone have same truck as mine that can post same pix? I want to verify if adapter is correct or is there another component missing from this junction? Thanks