[200q20v] Secondary Coolant Pump Virus

Bernie Benz b.m.benz at prodigy.net
Thu Mar 15 21:10:51 EST 2001

I did not.  I was only investigating the posibilities of replacing the shaft
seal.  But if you are right, that the pump is a magnetic drive, then there
is no shaft seal, and I didn't look deep enough.


> From: Kneale Brownson <knotnook at traverse.com>
> Date: Thu, 15 Mar 2001 20:03:33 -0500
> To: Bernie Benz <b.m.benz at prodigy.net>, Dale McCormack
> <dale at themccormacks.org>
> Cc: 200q20V mailing list <200q20v at audifans.com>
> Subject: Re: [200q20v] Secondary Coolant Pump Virus
> Did you determine that that old SCP actually pumps correctly?  Someone
> posted a while back that the SCP pumps by the action of a magnetic drive
> system that can operate even if the impeller doesn't turn.  In other words,
> the pump makes pumping sounds and vibrations, but does not circulate fluid.
> At 05:49 PM 03/15/2001 -0800, Bernie Benz wrote:
>> I'm suprised that she wanted the core back!  I lost the SCP on my 5K a while
>> ago at 265K, figured it didn't owe me anything, so replaced it with a better
>> looking used one.  (Old cars don't deserve new parts, don't spoil them!
>> They'll just want more.)   Anyway, I superficially looked ofer the old pump,
>> hoping to be able to take it apart and replace the leaking shaft sealal.  It
>> doesn't look possible, as the pump housing appears to be ultrasonicly welded
>> together.
>> Bernie
>>> From: Dale McCormack <dale at themccormacks.org>
>>> Organization: Strategic Business Systems, Inc.
>>> Date: Thu, 15 Mar 2001 16:25:58 -0600
>>> To: 200q20v at audifans.com
>>> Subject: [200q20v] Secondary Coolant Pump Virus
>>> I talked to Linda @ Carlsen earlier this week and ordered this very
>>> part.  (Why is it that when something happens to my car that someone
>>> else "comes down" with the same problem? Cars aren't supposed to be
>>> subject to contagious infections.)
>>> Anyway, she quoted me about $90 for the pump and said she'd need the
>>> core back sometime.  It should arrive tomorrow.
>>> When I noticed that mine had begun weeping (120K) I removed it and
>>> plugged the hoses with a lawn hose coupling.  Since it's relatively cool
>>> and haven't stressed the engine I'm confident there's no harm running
>>> temporarily without it.
>>> HTH
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