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Dec 29, 2011 18:49:24 GMT
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I need to retrofit a coolant level sensor in my V8 converted W115, its still rockin the original (recon'd) radiator so no plastic header tank to put a float sensor in. I have spare M14 and M10 threaded ports on the top of the inlet manifold (for temp sender and vacuun switch), does anyone know of any level senders which might work?
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1992 190E 2.0 - first car, currently being driven by the wife.
1989 500SEC
1968 W115 4.2 V8
2000 CL500
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Dec 30, 2011 13:11:33 GMT
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A level sensor in the inlet manifold wouldnt work. It would become more of an airlock sensor.
You would need to place it in the rad for it to stand any chance of working. As long as you check the coolant regularly a level sensor is redundant anyway, your tempreture gauge will tell you if you get a problem.
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R.S. Autotech. Servicing/Repairs/Diagnostics.
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mirafioriman
Posted a lot
My next project.......
Posts: 1,361
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Dec 30, 2011 21:29:47 GMT
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Have you got room for the W126 expansion tank? This and the matching W126 radiator would solve the issue and give you the correct coolant capacity etc.
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mirafioriman
Posted a lot
My next project.......
Posts: 1,361
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Dec 30, 2011 21:30:47 GMT
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Oh and if the coolant level drops a fair bit the temperature gauge doesn't necessarily rise!
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madmog
Club Retro Rides Member
Posts: 1,155
Club RR Member Number: 46
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Coolant lever sensormadmog
@madmog
Club Retro Rides Member 46
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There's a nice VW sphere-shaped header tank with built in level sensor. Polo, Lupo I think. Only a tenner from VW new
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Dec 31, 2011 12:42:10 GMT
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I was thinking about putting one of these in the top hose as close as possible to the radiator.  The other alternative is to have a boss brazed in to the top of rad. |
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1992 190E 2.0 - first car, currently being driven by the wife.
1989 500SEC
1968 W115 4.2 V8
2000 CL500
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If you decide to change the header tank, the MG Z series (especially the ZR) have coolant level sensors in the header tank.
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As do Volvo 850/S70/V70 ones, like I now have in my Dolly.
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the problem with an extarnal tank is that there isnt anywhere under the bonnet where i could mount it at the correct height as the stock radiator is quite tall and the bonnet slopes downwards from the middle.
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1992 190E 2.0 - first car, currently being driven by the wife.
1989 500SEC
1968 W115 4.2 V8
2000 CL500
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how about this....
cut the top hose and fit a piece of stainless tube the right diameter,,,into this drill the correct size hole for an eletronic level sensor,,,get a boss welded on the pipe to take the sensor at the right height so it reaches the coolant,,,screw it in with abit of ptfe on the threads and job done.
sorry,,,only way i can think of a way round your problem.
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if at first you don't succeed...use a gas axe!
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spiny
Club Retro Rides Member
Wiki Admin
I am abivalent towards car electrics ...
Posts: 1,330
Club RR Member Number: 167
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Coolant lever sensorspiny
@spiny
Club Retro Rides Member 167
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how about this.... cut the top hose and fit a piece of stainless tube the right diameter,,,into this drill the correct size hole for an eletronic level sensor,,,get a boss welded on the pipe to take the sensor at the right height so it reaches the coolant,,,screw it in with abit of ptfe on the threads and job done. sorry,,,only way I can think of a way round your problem. theres loads on ebay, I can't remember the search terms but they look like this: www.ebay.co.uk/itm/Sytec-inline-adaptor-pressure-sensor-sender-aluminium-water-25mm-hose-/390355967931?pt=UK_CarsParts_Vehicles_CarParts_SM&hash=item5ae3075fbbi got one a month or so back for my MG. |
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Perfect! Just use e level sensor instead of a pressure sender
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if at first you don't succeed...use a gas axe!
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