Noisey afterrun coolant pump

[Wallace White]

Phil used to suggest pinching the output-side hose and listening for the
pump to change pitch if it's working.

Someone (Dan Sinclair?) a while back suggested a Porsche 944 turbo pump
as a direct replacement. He claimed those pumps, while also Bosch units,
never failed and were about the same price...

- Wallace
   '87 5kcstq 182k

Kneale Brownson wrote:
> --
> I think I've read postings about taking the pump off and putting it in a
> bucket of water with 12 volts applied so you can test its effectiveness.  I
> also think the consensus has been that when it fails, there's no successful
> repair.  A couple years ago, there was a bunch of traffic about using
> Shogun pumps as a replacement.  That might even be on SJM's website
> somewhere.   In the end, Shogun quit making the pumps that worked for our
> cars.  I've not read about anybody else's product as a replacement.
>
> At 12:11 PM 07/18/2002 -0500, Robert Deis wrote:
>
>
>>On Thu, 18 Jul 2002, Aleksander Mierzwa wrote:
>>
>>
>>>The rotor in your pump might be seized. See archives for the discussion
>>>of this topic. The pump has a magnetic coupling between the motor and
>>>the rotor.
>>
>>Didn't find much with "afterrun coolant pump seized," will keep looking...
>>
>>If this is the problem, can it be cleaned?  How- high pressure water
>>through the pump or some similar?
>>
>>--
>>------------------------------------------------------------------------------
>>  Rob Deis                  "Let the people know beforehand what the law
>>  MiB3347                      is and what they are to expect."
>>  rdeis at io.com                              -- 18th Congress, Rec. 75
>
> --
>
>