pump to rack hose removal

[Bernie Benz]

Phil,

The "restrictor" is not a simple piece that can be spliced in.  It is a
tuned hydraulic resonant circuit, comprised of a small diameter plastic
fluid exit tube on the pump discharge fitting which extends thru the
restrictor and 3/4 of the length of the hose.  The annular area between the
two hoses is captured air, the compressable fluid in the Helmhertz
resonator.

Bernie

> From: Phil Rose <pjrose at frontiernet.net>
> Date: Mon, 23 Sep 2002 12:20:24 +0100
> To: DAK <dak at rochester.rr.com>
> Cc: 200q20v at audifans.com
> Subject: Re: pump to rack hose removal
>
> At 3:54 PM +0100 9/23/02, DAK wrote:
>
>>
>> PS. I'll post my experiences getting the hose made. Was there some
>> damper or restrictor that I need to retain?
>
>
> Yes, you need to retain the restrictor or else there will be some extra
> noise from the pump operation. Alignment of the fittings is critical. Of
> course fittings must not leak. Three good reasons for thinking twice about
> going the rebuilding route. Of course an added benefit of the oem hose is
> (or can be, with advance planning) that it can be installed as soon as the
> old hose is removed.
>
> IIRC, I didn't drain the hydr. reservoir, but I believe I  clamped off the
> lower hose and disconnected it below the clamp. I tried to follow Kneale's
> recommended procedure (accessing through the passenger wheel well), but
> couldn't find the magic angle. That certainly could eliminate a lot of the
> "pain" in this job--compared to reaching the b-bolt from above.
>
> Phil
>
>
> Phil Rose
> '91 200q lago blue    Rochester, NY USA
> '91 200q tornado red    mailto:pjrose at frontiernet.net
>
>
>
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