This is a VERY in depth process. In light of that fact, your best bet would be to contact an experience VW mechanic, or look on Forums and ask there.
in the fuse box .to the right and under the steering whell
Central Hydraulic Fluid or CHF for short
Could you please tell how I change a headlight bulb for my Volkswagen T4 panel van
How do you change a power steering rack on vw golf mk4?
how to adjust headlight beam on vw t4
The dimmer switch is said to be included with the steering column switch. Before replacing disconnect battery and removing steering wheel. After removing the steering column switch trim, unscrew hex bolt. Remove and replace switch and return components.
The tank capacity of a T4 VW Transporter is 70 Liters.
Driver's side footwell. Scroocth under the steering column and look up. You'll see the connector near the steering column.
Where is the fuse box on a t4 van
The actual electrical switch is inside the steering column.
Steering column, basically between your knees when you are sitting in the driver's seat
On an American 65 VW Bug the ignition switch is mounted on the dash and on the European model its mounted on the steering column.