Noise 06 GT - Page 2 - 6SpeedOnline - Porsche Forum and Luxury Car Resource

May 1, 2018 | 09:21 AM

#16

ExSF

Registered User

Joined: Sep 2013

Posts: 649

From: Europe

Rep Power: 43

Quote:

Originally Posted by 1eapplebaum

Cycling the brakes will cause the vacuum pump to run. Mine is audible as well if I depress the brakes. From what others have suggested some noise is normal.

WhatI I am not sure about is how often the vacuum pump cycles at idle without depressing the brakes?

Not very often is the answer to that. If it's doing it a lot, I would suspect the vacuum hose leak unfortunately.