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22nd November 2021, 21:50 | #11 |
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Rover 75 Join Date: Nov 2010
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Not always, I have seen the bearings fail and leak through the seals! This then drips down the side of the engine block and beacuse the engine is hot, the leaking water tends to dry up before it makes it's way to the floor.
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23rd November 2021, 07:17 | #12 | |
Doesn't do things by halves
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Quote:
The way around the evaporation problem is to inspect very carefully from beneath, immediately after starting the engine from cold. You're looking for the tiniest of drips. When I had slight but regular loss of coolant it was flattened 'O' rings on the expansion tank cap. Simon
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29th November 2021, 20:39 | #13 |
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Rover 75 Saloon Join Date: Apr 2012
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Well the good news is that I fitted another new coolant cap and after a 20 mile spin the level was still spot on.
I'm not 100% optimistic that its fixed, especially seeing how the previous one was less than a year old, but you never know your luck. Blummin cars...
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4th December 2021, 07:01 | #14 |
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If you can't find any evidence of coolant leakage why not try a cold pressure test? I knocked up a bit of old hose, a pressure gauge, a scrap tyre valve and a bicycle pump to pressurise the system to around 12 psi and left it overnight.
If the pressure drops with still no sign of leakage whip the plugs out and check the cylinders for dampness. Last edited by Mike Noc; 6th December 2021 at 13:04.. |
21st August 2022, 16:05 | #15 | |
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Rover 75 Saloon Join Date: Apr 2012
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So changed the inlet manifold gasket and, so far, it looks like its finally fixed!!
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