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[ZaintS]

Hi! Once again I come to you hoping you can help me with my problem. Last time I had some shifting problems, but it's ok now.

I have 1997 1.6L (98ci) esteem/baleno wagon. G16B 16V

For some time I have had a coolant leak. Had a lot of ideas, what could cause this and therefore have changed and checked many things.

Changed:
1. Radiator
2. Head gasket
3. Thermostat

Checked:
1. Coolant reservoir tank not broken. Wrapped newspaper around it and in my opinion if there could have been a leak the ink should have been messed up, but it wasn't
2. Water pump completely dry, not a single sign on it for any leaks.
3. Interior heater fine (no coolant inside the car, carpets dry)
4. Piping and connections all ok, checked everything, replaced one connecting clamp that seemed to be the problem, but still no help.
5. Never any puddles under car not even once it stayed on a same spot for half a week.
6. No coolant in oil or vice versa

Never have overheated...
It seems that coolant is disappearing when I'm driving. Haven't noticed any disappearance during the time car is parked. It keeps disappearing randomly, sometimes more, sometimes less, but couple of weeks ago 750ml (45ci) of coolant disappeared in one week. It's quite a lot I think.

So I ask for any ideas and of course help to solve what could cause the leak!

Thanks in advance! ZaintS