Cant fix brake booster..

[skzmaps]

Hi to everyone

I have a mk4 which i have changed 10 brake boosters and all of them are vacum leaking inside to (break pedal)


Today we have changed just for test the vacum pump but the problem is still the same


What can be the issue ?
No one can it fix ?



Thanks


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[Meat-Head]

Unless they get damage when removing

can you attach that airline to servo, place in water watch for bubbles

is pedal on servo or remote linksge?

[skzmaps]

Unless they get damage when removing

can you attach that airline to servo, place in water watch for bubbles

is pedal on servo or remote linksge?

Its fixed, issue was on brake booster

U were right that they are damaged while
Removing..


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[Meat-Head]

Grest can you give more details on. Car year, damage and how caused and how t’ prevent

thanks