The amount of condensation will depend on what the weather is like, more humid or wet weather it will produce more.
It is also advised that you also use the a/c in the winter some times, as it removes moister from with in the car, this also helps it from steaming up.
It's only water taste it if it's sweet it's coolant, no taste it's water.
If it's very oily it could be oil you need to check your brake fluid, engine oil levels and around your gear box for leaks.
It is possible for you washer screen reservoir to be leaking to
Hope this helps
Last edited by marque; Jul 18th, 2014 at 02:06 PM.