Home › Forums › Stay Dirty Lounge › Service and Repair Questions Answered Here › Honda 1998 LX – Power brake booster › Honda 1998 LX – Power brake booster January 20, 2020 at 7:30 pm #895843 Richard KirshyParticipant The check valve is usually positioned inline with the brake booster vacuum hose or mounted directly onto the brake booster. BTW .. I had the same issue with my Nissan. Turned out to be a faulty brake booster.