Reply to "Mastervac and brake issue."

panteradougMember

I don't know exactly how the Volvo vacuum pump works? I am using a Compams pump. I would think that the function is very similar?

It does have a pressure switch which is preset to shut off at about 20 inches of vavuum. From what I was able to measure, when the brakes are applied, it maintains around 17 inches.

I am thinking though that a vacuum storage can in line could help if the Volvo unit seems to run continuously?

I am using different, non-stock calipers and master cylinder so I have different readings at the calipers then you do.

4/3/247:31 PM

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