Vacuum Brake Booster Check Valve: Testing and Inspection

CHECK VALVE OPERATION CHECK

1.
CAUTION:
The check valve should not be removed from the vacuum hose.

Remove the vacuum hose. (Refer to Service and Repair).





2.
CAUTION:
If the check valve is defective, replace it as an assembly together with the vacuum hose.

Check the operation of the check valve by using a vacuum pump.