S4 (B6 & B7 Platforms) Discussion Discussion forum for the B6 Audi S4 produced from 2003-2005 And B7 Audi S4 produced from 2005 -2008

Knocking when braking hard

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Old 06-27-2007, 02:03 AM
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Default Knocking when braking hard

I've begun to notice that if I brake very hard, I will feel a knock like something is loose and sliding around but the knock seems to come from the motor area. After braking hard and hearing the knock, when I accelerate, I hear the knock again. Any ideas? Thanks
Old 06-27-2007, 09:44 AM
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your motor mounts might be worn out
Old 06-27-2007, 11:39 AM
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Default Re: your motor mounts might be worn out

So far I've been told it may be the motor mounts or a loose brake caliper...any way I may differentiate b/w the two?
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