Begin with removing the hose clamp and hose from the check valve, and then take off the valve from the tube. After that, pull off the hose clamp and take off the
Brake Booster Vacuum Hose from the booster assembly. For installation, put the Brake Booster Vacuum Hose on the booster assembly, clamp it in place, put the valve back onto the tube, and attach the hose to the check valve with another hose clamp.