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| Rebuilding Water Pumps https://www.ausmini.com/forums/viewtopic.php?f=2&t=76947 |
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| Author: | goodie [ Mon May 28, 2012 11:40 am ] |
| Post subject: | Rebuilding Water Pumps |
Has anybody bothered to rebuild cast impeller type water pumps ?. Can you buy kits for them , if so , where from , and, is it worth it ? Seems a waste to just bin it , looks like it has plenty of life in it . Reason i ask is , that i took mine off because it was leaking out of the shaft , but when i had a look at it , it still looks brand new inside , the impeller is as clean as , there is no movement in the shaft , bearing feels fine . |
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| Author: | drmini in aust [ Mon May 28, 2012 12:23 pm ] |
| Post subject: | |
I have a mate who sells old/antique spare parts and is into Morris Minors. He says the proper rebuild kits are NLA but thinks there is a Jag kit that can be used, if you can get your cast iron impeller off without busting it.... It's hardly worth the trouble when new alloy ones are $35 and pump more water. 
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| Author: | mini_mad_matt [ Mon May 28, 2012 6:25 pm ] |
| Post subject: | |
I've seen my old boss rebuild water pumps for old cars before, never for minis though as they are easily acquired. I'm not entirely sure if what i'm about to say is correct as i was never involved in doing any of it. I think he would get the seals etc from a pool shop as the water pumps for pools use the same sort of stuff. Then he would machine the shaft to suit and then whack it all back together. Maybe something to look into if your keen? |
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| Author: | drmini in aust [ Mon May 28, 2012 7:05 pm ] |
| Post subject: | |
The problem is once the seal goes, the water usually goes through the bearings and stuffs them. These are integral with the shaft and not separately replaceble on modern engine water pumps, unlike pool pumps. |
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| Author: | 66S [ Tue May 29, 2012 6:36 am ] |
| Post subject: | |
I rebuild original cast iron A series water pumps for anoraks who want original. I fit a ceramic unit seal (this seal does not bear on the impellor) and slightly enlarge the waterways. New shafts/bearings are available from bearing outfits. They are not at all difficult to rebuild but I agree that a modern alloy pump is really a better thing so far as pumping water is concerned. Al |
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| Author: | Timbo [ Tue May 29, 2012 8:58 am ] |
| Post subject: | |
Hi Al, that's good to hear, you see, I'm an anorak and I have a couple of old cast iron water pumps... Tim |
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| Author: | 66S [ Tue May 29, 2012 9:35 am ] |
| Post subject: | |
Yeah, nothing looks worse than an alloy pump on a nicely restored Mk1. So obvious. Al |
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| Author: | AEG163job [ Tue May 29, 2012 6:25 pm ] |
| Post subject: | |
I take it you would need a 10 tonne press (at least) to remove the shaft. I tried a BFH once, but gave up in disgust. |
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| Author: | 66S [ Wed May 30, 2012 5:51 am ] |
| Post subject: | |
Naah, I have a light Chinese press and it handles it easily. Al |
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