[200q20v] secondary coolant pump

Bernie Benz b.m.benz at prodigy.net
Thu Mar 15 12:58:41 EST 2001

Does anyone have or is able to find the Chev part # for this pump?


> From: Phil Rose <pjrose at frontiernet.net>
> Date: Thu, 15 Mar 2001 13:57:57 -0500
> To: "Forhan, Thomas" <Thomas.Forhan at mail.house.gov>, 200q20v at audifans.com
> Subject: Re: [200q20v] secondary coolant pump
> At 12:57 PM -0500 3/15/01, Forhan, Thomas wrote:
>> Now that the bottom of my engine is so much cleaner and my weeping primary
>> water pump has been replaced,  I see  a coolant leak at the secondary water
>> pump. Hoses and connections are fine, this is the pump itself. Before I call
>> Clair or Carlsen, does anyone now if this a Bosch item I can order OEM? Got
>> a Bosch number?
> In my first '91 200q,  that  aux. afterrun pump was replaced by the
> seller when he noticed it "weeping" very shortly before I took
> delivery the car.  He (Art, at Salisbury Motor Car) said that the
> weeping is usually the prelude to catastrophic pump failure, so he
> replaced it as a pre-emptive measure (90K miles). On my present car,
> I've been watching carefully for that symptom, but so far--so good.
> There's a Bosch oem part available, but I recall many qlist postings
> from Avi Meron about a much more robust replacement pump that was
> available from Shogun (see below).
> Phil
>> From: "Avi Meron" <avi at cosmoslink.net>
>> Subject: RE: Afterrun coolant pump Chevy part?
>> Don't loose it again.....
>> Avi
>> This is a repost if I missed something let me know..
>> * The pump is a 12Volt coolant pump and is designed to act as a water pump
>> for a small block Chevy,
>> * Electrical draw is under 10AMP and when the coolant is hot the electrical
>> draw is only 2 AMP, as a comparison, the draw on the rad. fan (at the lowest
>> speed) is between 11-13 AMP
>> * The pump is NOT magnetically driven, it is driven by a shaft with a high
>> temperature impeller (when you get the pump you get 2 spare impellers)
>> * Dia. of the pump is app. 2.5" and length is under 6"
>> * The pump section is all SS
>> * The flow capacity of the pump is many time over the Audi pump (designed to
>> replace the water pump on a small block Chevy)
>> * The pump will  fit very nicely in the same location of the old pump
>> * I wired it with a relay just to be on the safe side, did not trust the
>> "chintzy" OEM wires, the pump has continues 12Volt and the ground is
>> activated when the pump is on (OEM set-up), you have to wire it accordingly,
>> no big deal
>> * the pump runs noticeably less time than the OEM pump, probably because it
>> is a REAL pump not a "piss poor" (engineering terminology) excuse for a pump
>> * cost for the pump is about $90 and Shogun has them (they are on the net),
>> I will dig the phone # for who ever wants it, the company is located in
>> Prior lake MN 1 800 527 5665 tech line # is 612 447 6784
>> I think I covered everything, did I miss something Frank? If I did let me
>> know.
>> Avi
> -- 
> Phil Rose
> Rochester, NY
> mailto:pjrose at frontiernet.net
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