Power Brake Unit Replace

1. Remove master cylinder as previously described.
2. Disconnect power brake unit pushrod at brake pedal.
3. Disconnect vacuum hose from vacuum check valve. Plug vacuum hose to prevent entry of dirt.
4. Remove four power brake unit to dash panel attaching nuts, then the power brake unit from vehicle.
5. Reverse procedure to install. Torque attaching bolts to 22---33 ft. lbs.