rpsmith
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| posted on 18/6/07 at 07:19 AM |
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Pinto Water Pump (Hole)
Right then, i've just bought a new (second hand) water pump because my old one had a hole in it, but after cleaning the new one up with a wire
brush, the new one now has a hole in it, but its a machined hole (no thread), what is supposed to be here, is there a bung missing or something
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mark-wiring
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| posted on 18/6/07 at 07:25 AM |
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Its supposed to be there.
When the water pump bearing goes it will weep water from that hole giving you a clue that the pump needs to be changed before it fails properly.
http://www.v10viento.co.uk
Have to recommend
http://www.extraefi.co.uk/
For all Megasquirt needs
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westf27
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| posted on 18/6/07 at 07:25 AM |
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its a drainage hole for water seepage past the seal to vent from,dont worry its normal.It gives some protection to the bearing otherwise it would wash
the bearing grease and make the bearing noisy.
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rpsmith
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| posted on 18/6/07 at 07:28 AM |
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quote:
Originally posted by westf27
its a drainage hole for water seepage past the seal to vent from,dont worry its normal.It gives some protection to the bearing otherwise it would wash
the bearing grease and make the bearing noisy.
I must have punctured the hole when i was cleaning it with the wire brush
It is only a few moths old, could i block this hole up?
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rpsmith
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| posted on 18/6/07 at 07:29 AM |
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Hmmmm, two different replys to the problem, i don't think i want it to be leaking on a regular basis
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westf27
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| posted on 18/6/07 at 07:31 AM |
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do you have any water coming from this hole when the engine is cold? because if you do then when hot its going to flow out and cause engine
overheat,hole should not be blocked,if it wasnt needed it wouldnt be there,if its new secondhand its probably no good.
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rpsmith
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| posted on 18/6/07 at 07:37 AM |
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I don't know if any water comes out cos i haven't got the engine running
I don't think the hole was there when i got it, i think i must have punctured it when i was cleaning it with a wire brush
The bearings seem fine, no play at all
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MikeRJ
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| posted on 18/6/07 at 07:45 AM |
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quote:
Originally posted by rpsmith
Hmmmm, two different replys to the problem,
Not that I can see, you've had two replies both of which state the presence of this hole is perfectly normal, which it is. ALL water pumps have
this hole to allow any coolant seepage past the seal to drain rather than filling up the bearing housing.
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rpsmith
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| posted on 18/6/07 at 07:50 AM |
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I miss read the original reply, i think i understand now, well it is Monday morning after all
So what you are saying is it won't leak through that hole untill the bearing starts to go
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mark-wiring
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| posted on 18/6/07 at 07:51 AM |
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Yep thats it
http://www.v10viento.co.uk
Have to recommend
http://www.extraefi.co.uk/
For all Megasquirt needs
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rpsmith
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 posted on 18/6/07 at 07:59 AM |
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I should really try an wake up on a Monday
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rpsmith
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| posted on 18/6/07 at 10:24 AM |
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Also just out of interest, my old pump was a steel item, this new one is Alluminium (bonus  ), does anyone know what engine this came off
My original one came off a Sierra EFi
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