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Engine Block Water Pump Mounting Holes


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#1 MiniMadRacer

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Posted 05 August 2019 - 09:45 AM

All, a question for the porridge beards out there. Someone will know the answer. When you look at the Block, 1275 or 998 it doesn't seem to matter, the water pump is held on by 4 bolts, and two doules.

 

My question is right at the bottom of the block face where the pump mounts to the block there is another hole, which is not douled or takes a bolt. What the hell is it for ?

 

 

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#2 MiniMadRacer

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Posted 05 August 2019 - 09:47 AM

The hole I am referring to is the one next to the bottom left hand doule. The hole is just to the right of the doule. 



#3 DeadSquare

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Posted 05 August 2019 - 10:36 AM

WOW !!

That's really clear.

Don't give up the day job and become a photographer.

Edited by yeti21586, 05 August 2019 - 12:02 PM.
Try and play nice! No need to be rude!


#4 nicklouse

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Posted 05 August 2019 - 10:45 AM

Drainage.

#5 Rorf

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Posted 05 August 2019 - 10:48 AM

What is a doule?



#6 DeadSquare

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Posted 05 August 2019 - 11:01 AM

What is a doule?

American spelling of the ancient Greek for "a slave"



#7 MiniMadRacer

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Posted 05 August 2019 - 11:04 AM

Bad fingering dowel might be better.... and drainage for what.. the Gasket and pump cover that hole.. and once the pump is off the impeller hole is big enough to drain the water out.. Pic is bad its the only one I could find on the net that showed the hole I was talking about  most pics don't how it



#8 MiniMadRacer

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Posted 05 August 2019 - 11:09 AM

Hmmm just opened that pic, it wasn't that small (honest) when I viewed it  on my PC.. not sure why the "site" shrunk it to that size. I will see if I can find a better pic



#9 DeadSquare

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Posted 05 August 2019 - 11:17 AM

Oh boy !

 

That last post is loaded with innuendo .



#10 yeti21586

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Posted 05 August 2019 - 12:03 PM

Guys if you have nothing nice or helpful to say then please don't post anything

#11 ukcooper

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Posted 05 August 2019 - 12:14 PM

and drainage for what

 

der oil of course...……… what else could it be.



#12 KTS

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Posted 05 August 2019 - 12:33 PM

it's one end of an oil gallery that runs the full length of the block (..to feed the main bearings?) - it should have a plug in it, so not a 'hole' as such



#13 Rorf

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Posted 05 August 2019 - 12:34 PM

and drainage for what

 

der oil of course...……… what else could it be.

 

How could it be for oil - didn't you know that oil floats on water :D

 

It is a drain hole for the water pump chamber

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Edited by Rorf, 05 August 2019 - 12:45 PM.


#14 unburntfuelinthemorning

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Posted 05 August 2019 - 12:46 PM

I don't know the answer but here's a couple of photos:MFoMDnS.jpg

 

 

 

 

qBO1wav.jpg

 

 

One A and one A+.  Funny how they couldn't be bothered with the dowels anymore on the A+.


Edited by unburntfuelinthemorning, 05 August 2019 - 12:47 PM.


#15 MiniMadRacer

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Posted 05 August 2019 - 01:38 PM

Hi Rorf, you are spot on, that's the hole I am talking about .. the one you circled.. must admit never noticed it before til my water pump started leaking last night which may put the "end" to my IMM.. checked some old 998 and 1275 blocks I have and its on them all though I never noticed it before.  and my pump was leaking at the bottom via the gasket where that hole is.

 

And yeti21586 sorry was meant to be jovial rather than rude






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