pump to rack hose removal

[Bernie Benz]

Your "external restrictor" might help a little on a fiber reinforced hose
but not on a wire reinforced hose, which is all but incompressable.

Bernie

> From: QSHIPQ at aol.com
>
> Bernie:
> You can add an external restrictor (metal band) to the existing hose that
> eliminates most of the groaning, but not all of it, btdt.  You are quite
> correct that the hose design from audi is well designed to address the pump
> resonance.   Any replacement other than the stock hose will not be as quiet,
> but will perform the correct function.
>
> Good posts on the subject
>
> SJ