With Mark IV ABS System

Removal
1. Remove the rubber elbow (1) from the throttle housing.
2. Undo the Antilock Brake System (ABS) main fuse box (2) and the brake fluid reservoir (3).
3. Unplug the connectors from the hydraulic unit.
4. Remove the circlip underneath the travel sensor using a small screwdriver (4).
- It is easier to remove the circlip if a notch is made in the screwdriver blade (5).
5. Withdraw the travel sensor (6). Remove the 0-ring.

Installation
1. When changing the travel sensor, install it with the supplied adjusting sleeve having the same colour as the colour marking on the vacuum servo unit.
2. Install the new travel sensor with a new 0-ring and press the sensor home.
3. Install the circlip (4). Make sure the hook on the cir clip faces downwards.
4. Reinstall the three connectors to the hydraulic unit.
5. Press the brake fluid reservoir (3) and the ABS main fuse box (2) firmly into their brackets.
6. Reconnect the rubber elbow (1) to the throttle body.