If you're not handy with tools I suggest taking it to a professional. At the very least, acquire a shop manual...nothing beats a genuine VW manual as the ones commonly available in parts stores are somewhat lacking in detail.
fix it.
i believe it is behind the power steering pump...
The water pump does not have a "tensioner".
serpentine belt diagram for 98 jetta tdi
How do you replace a water pump on a 98 nissan altima?
What are the symptoms that you are trying to fix? I asked a similar question and the answer eventually became "head gasket".
How do I check transmition fluid n 98 vw jetta vr6 2.8
inside the motor
no
Water? do you mean gas? more details please.. :)
The speed sensor on a 98 Jetta is located near the brake setup. It is on the passenger wheel area mounted to a bracket.
That will be what the fan on the front of the engine bolts to.