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General Help Section Members help each other here with tips and tricks about mods / maintenance and servicing based on their own experiences

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  # 1  
Old 31-01-16, 20:02
MrMike MrMike is offline
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Join Date: Oct 2013
Location: Crete
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Coolant drips from the overflow hose

Hello fellow xt riders, i have added coolant in the expansion tank march 2015 and ive noticed that the coolant level on the tank was a lower the the bottom line. I went to the dealer and he added fluid 3 daya ago but now i notice small drips like 2-3 drips every time i go for a ride. Im having a feeling that my cooling fan doesnt start up as well when the bike's hot.

There is no heavy leaking and it doesnt drip if the bike is turned off.

Any ideas? :/
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  # 2  
Old 31-01-16, 20:13
Pleiades Pleiades is offline
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It is quite common for radiator caps on XTs to fail and open and vent coolant at too low a pressure, or even permenantly stay open. In fact there was (a good while back) a batch of bikes that were supplied with faulty caps.

It sounds like you're losing coolant when the engine reaches operating temperature and the system tries to become pressurised (which it should do) and it can't because of the cap. This will also explain why your fan is late cutting in (or not at all) as without being pressurised the cooling system can only reach ~100C; under normal pressure it can reach 112C. The fan switch/thermostat cuts in at 102C, so clearly if the systems not holding pressure it won't reach that point.

In a nutshell... try a new radiator cap!
  # 3  
Old 31-01-16, 20:17
MrMike MrMike is offline
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Will do but this might have being on for a year or so and me not noticing it, im having exams at my university this 2 weeks so i cannot go to the mechanic to check it, would it be damaging if i ride it for 2 weeks until the exams period is over?
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  # 4  
Old 31-01-16, 20:20
Pleiades Pleiades is offline
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Should be OK. You don't sound like you're using a lot of coolant. Just keep an eye on the level and makes sure it's regularly topped up.
  # 5  
Old 31-01-16, 20:26
MrMike MrMike is offline
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Ok mate!

Thanks a bunch for all these wonderful information!!

It all makes sense now
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