Remove the vacuum valve.
Fig. 6.14. Checking the vacuum booster valve
Blow out the valve and check if there is free air flow from the valve (Fig. 6.14).
If there is no free outlet, replace the valve.
Remove the vacuum valve.
Fig. 6.14. Checking the vacuum booster valve
Blow out the valve and check if there is free air flow from the valve (Fig. 6.14).
If there is no free outlet, replace the valve.