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moglite
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Joined: 01 Nov 2006
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Location: winchester
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 Posted: Fri Jul 18, 2008 8:22 Post subject: Pressure in the cooling system - warning light |
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Last year a split in my radiator caused me to loose all the coolant real quick. The upshot was I had a siezed engine as I didn't notice the temp gauge do anything strange. With no water in the system, it wasn't going to give me a good warning anyway.
I've been pondering what I can do, to avoid having this happen again......
Range Rovers have a level sensor in the header tank, but as my BigHorn has a expansion bottle - that isn't going to work.
I don't fancy drilling a hole in the side tanks on my rad, and glueing in some kind of level sensor.
I've found the US company LongAcre do a warning light that activates when the pressure in the cooling system drops below a couple of PSI. That sounds ideal. I've found a UK supplier for about £25.
I was originally thinking I'd put it in the top hose, along with the sensors for the electric fan......
But I was wondering - will I get any pressure here until the stat opens ?
Or would I be better off putting it in another location ? Maybe the steel water pipe that runs parellel to the inlet manifold.
Thanks
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Andy
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| Posted: Fri Jul 18, 2008 8:22 Post subject: Google Ads keep this community free to join! |
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Philp
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Joined: 12 Oct 2004
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Location: Shropshire
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| Posted: Fri Jul 18, 2008 12:55 Post subject: |
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If the tanks on the rad are brass/copper then it wouldn't be difficult to get a rad company to solder/braze a fitting in it for a sensor.
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Phil
96 or is it a 98 Isuzu Bighorn Lotus |
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moglite
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Joined: 01 Nov 2006
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Location: winchester
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| Posted: Fri Jul 18, 2008 14:15 Post subject: |
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| Philp wrote: |
| If the tanks on the rad are brass/copper then it wouldn't be difficult to get a rad company to solder/braze a fitting in it for a sensor. |
Mine is plastic 
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Andy
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Philp
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| Posted: Fri Jul 18, 2008 17:24 Post subject: |
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Mmm I think my new one has metal tanks.
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Mick
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Joined: 08 Mar 2005
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Location: Farington Moss Lancashire
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| Posted: Thu Jul 31, 2008 21:06 Post subject: |
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| did you find a way of doing it moglite |
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Mike_S
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Joined: 22 Feb 2007
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Location: Hamilton, New Zealand
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| Posted: Fri Aug 01, 2008 1:12 Post subject: |
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| Quote: |
But I was wondering - will I get any pressure here until the stat opens ?
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Yes, you would get pressure as the pressure generated by the water heating up in the engine has a path through the bleed hole in the thermostat.
Bear in mind, however, that the last few CCs of water left in some low part of the engine will pressurize the cooling circuit with steam just as well as a cooling circuit full of hot water will, if the leak is only a small one and the engine is hot enough to generate steam faster than it escapes. |
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