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Wales
by Joske Vermeule, September 1
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Forums39
Topics49,896
Posts837,932
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Most Online1,063
Jun 14th, 2026
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Joined: Dec 2008
Posts: 22,369 Likes: 354
Roadster Guru Member of the Inner Circle
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Roadster Guru Member of the Inner Circle
Joined: Dec 2008
Posts: 22,369 Likes: 354 |
The new pump I fitted to my MGV8 in 1991 (Unipart), was almost the same as the original, except the top take off pipe was at a slightly different angle, but the biggest difference was the impeller. The original had a large close fitting impeller. The replacement had a much smaller impeller with much bigger clearances. It seemed to work OK.
DaveW
'05 Red Roadster S1
'16 Yellow (Not the only) Narrow AR GDI Plus 4
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Joined: Dec 2010
Posts: 178 Likes: 1
L - Learner Plates On
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OP
L - Learner Plates On
Joined: Dec 2010
Posts: 178 Likes: 1 |
1m016
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Joined: May 2015
Posts: 110
L - Learner Plates On
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L - Learner Plates On
Joined: May 2015
Posts: 110 |
When you bolt everything back up the ‘factory’ procedure is to clean and coat the bolts with 3M EC776, this is described as a lubricant sealant and is a sticky, volatile goop requiring its own even more volatile cleaner. My understanding is that it hardens off in air, so once the water pump bolts are withdrawn they should be kept ‘wet’ by storing them in paraffin.
As a modification, complete sets of replacement bolts in stainless steel are easily available (eBay) and may help on any subsequent replacement.
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Joined: Dec 2008
Posts: 22,369 Likes: 354
Roadster Guru Member of the Inner Circle
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Roadster Guru Member of the Inner Circle
Joined: Dec 2008
Posts: 22,369 Likes: 354 |
I still have a tin of that stuff in the garage. Its probably gone hard. Very similar stuff to adhesive for soundproofing felt.
DaveW
'05 Red Roadster S1
'16 Yellow (Not the only) Narrow AR GDI Plus 4
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Joined: Jan 2011
Posts: 112
L - Learner Plates On
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L - Learner Plates On
Joined: Jan 2011
Posts: 112 |
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Joined: Dec 2010
Posts: 178 Likes: 1
L - Learner Plates On
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OP
L - Learner Plates On
Joined: Dec 2010
Posts: 178 Likes: 1 |
Cheers every one. I will get it sorted now....
1m016
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