Removal (740 & 760 GLE)
- Disconnect master cylinder and move it aside. Leave brake pipes attached to master cylinder. Disconnect vacuum hose. Using screwdriver, pry out check valve from unit. Remove fuel filter and move it aside.
- Disconnect vacuum pump and move it aside. Remove soundproofing on left side of center console. Disconnect push rod from brake pedal. Remove 4 nuts and power brake unit. Remove check valve seal and check for damage.