Hissing sound from behind glovebox when brake is apply ??

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e30newbie
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E30 Zone Newbie
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Joined: Mon Sep 25, 2006 11:00 pm
Location: Australia

Post Sat Sep 12, 2009 4:28 pm

Hi guys,

When I apply the brake, there is a hissing sound coming from behind the glovebox area. I assume its the vacuum booster, is it normal for it to make the sound ?

cheers