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should I trash my NOS metal impeller waterpump?

 
Old 05-31-2013, 12:59 AM
  #31  
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Originally Posted by bronto View Post
Is there a way to verify that the impeller isn't drilling my block?
Since this issue of impeller-eaten blocks became wide spread, now when I do a timing belt tension check or to otherwise inspect the belt system on a history-unknown-to-me 928, in addition to anything else I might do, I pull the left-side cover and look at the water pump pulley. If the leading edge of the pulley is touching the leading edge of the timing belt I know that the impeller is about to begin touching the block. If, in addition, the belt is tracking on the left side cam gear towards the rear and then I know the impeller has ALREADY been touching the block.

If the belt is in the middle of the sprocket and not touching the leading edge of the pump pulley (ideally the belt is in the middle), then that's a good sign.
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Old 05-31-2013, 01:18 AM
  #32  
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Originally Posted by SeanR View Post
Where did you/he get it?
The Mech says he gets all his Porsche parts from a OEM supplier, I forget who he said they were but this is the part # from my invoice
GENPD WATERPUMP 928.106.015.KX
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Old 05-31-2013, 03:58 PM
  #33  
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Rebuilt pump - one of the ones that fail. How much did you pay for it?
Do not panic - you just need to keep an eye on it and check it regularly.
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Old 05-31-2013, 07:00 PM
  #34  
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Originally Posted by ROG100 View Post
Kyle,
That is a Laso with metal impeller and the extra bush so you are good to go.
Roger
Thanks Roger, that's a relief

Glad I went with a new pump rather than use the cheap rebuilt unit the PO included with purchase...
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Old 05-31-2013, 07:44 PM
  #35  
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Originally Posted by ROG100 View Post
Rebuilt pump - one of the ones that fail. How much did you pay for it?
Do not panic - you just need to keep an eye on it and check it regularly.
$102.89
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Old 06-01-2013, 01:44 AM
  #36  
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^oh well, just under 1k mi. so far, since the WP/TB/AC and all is well. engine temp always good, no more warning lights, and AC is ice cold. OTIS OUT.
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Old 06-01-2013, 09:15 AM
  #37  
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Originally Posted by OTR18WHEELER View Post
$102.89
It's honestly a crap shoot. I put one of these on my car in '06 and it lasted until last year when I did the belt/pump. I've also pulled a dozen or so of these off due to leaking/noise in the past couple of years. Not a chance I'd take again but if you keep an eye and ear on it you should be fine.
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