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Old 02-Apr-2009, 20:09
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Glyn Glyn is offline
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Mood: st2......we can rebuild
bust water temp sender

i've bust me water temp sender unit on the front pot of me bike
the insides kinda fell out of the nut! dont really want to drain the cooling system so is there any way to repair one of these if not can i ride without it?? ive still got the one on the back pot.
if it has to be replaced are they expensive to buy cause im credit crunched at the mo
i know one sends to give temp readout and one to ecu to switch fan on and off, the latter has not worked for a while and i have a manual switch to turn fan on and off
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Old 02-Apr-2009, 20:22
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Fordie Fordie is offline
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Glyn I would think because it is a sealed unit (the watercooling system ) quickly pulling temp plug out would not warrant draining down as the water should remain "sealed under vaccum" You may get a little dribble but not much to worry about. 4D
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Old 02-Apr-2009, 23:53
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Iconic944ss Iconic944ss is offline
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Just changed both sensors on my Bro's ST2

Good info here:

http://www.ducatisti.co.uk/forum/duc...sor-price.html

The baby you need is here:

https://www.simpsonsupplies.co.uk/EN...FIAT_2895.html

All that needs doing is the crush washer filing down ever so slightly and it fitted a treat without any modifications.....

cost: £8.71

Only a few pints of coolant came out, remove upper right dash cover and access coolant top-up bottle (and if necessary - radiator cap) and it could probably with a coolant refresh in any case - or, filter and reuse the old.

Good luck - Frank

(Special thanks for the source to ST guru - Derek)
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Old 03-Apr-2009, 01:18
mc31@york.ac.uk mc31@york.ac.uk is offline
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Glyn,
The 2 sensors on your bike are identical and can be swapped for testing etc.
With your front one knackered, it won't alter anything and you can still ride it - but the "LO" flashing sign on the dash will be permanent.
New ones are about £50, but I love that little link to a Fiat one for £8.50. At that price you can't go wrong.

While we're at it, the common fault that stops the fan is the relay. It's under the seat, easy to get at and costs about two quid (even from a Ducati dealer).

Good luck,
Mike Chadwick
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Old 03-Apr-2009, 17:59
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Glyn Glyn is offline
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thanks for replies folks
frank that has got to be tip of the week
just orderd the sender from local motor factors £7.57 inc vat!!
are there other examples of interchangable parts? we should compile a list
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Old 03-Apr-2009, 18:02
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DSC Member antonye antonye is offline
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Bikes: 748S, HM1100S, V4SP, Was: DD-A #111
 
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Make a post in the Technical section with all the details in it.

Try to include the Ducati part numbers if you can (bag them out of the Parts Manuals on the Ducati site).

I did the same last night when looking for the clutch pressure plate bearing.


I'd rather die peacefully in my sleep like my Grandfather,
than screaming in terror like his passengers.- Jim Harkins

Ducati 748S | Ducati Hypermotard 1100S | Ducati Panigale V4 SP #876 | 600-620SS DesmoDue Racebike #111 <-- Sold!!
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