ABS/ESP ITT Mark 20

Brake pressure sensors, removing and installing

Special tools and equipment






- Brake filler and bleeder unit VAS 5234

Removing






- Remove forward left-hand cover panel (arrows).






- If installed, disconnect secondary air intake hose -1- from air cleaner.

- Disconnect air hose -2- from mass air flow sensor.

- Unplug connector -3- from mass air flow sensor.

- Remove bolts -4- and -5-.

- Remove air cleaner housing.

- Lay out sufficient lint-free cloths in area below brake master cylinder to catch escaping brake fluid.

- Draw off as much brake fluid as possible from brake fluid reservoir using brake filler and bleeder unit VAS 5234.






- Disconnect connector off relevant pressure sensor (the one to be removed) -arrows-.
a - Sender 1 for brake booster -G201- in primary piston circuit
b - Sensor -2- for brake pressure -G214- in secondary piston circuit

- Remove brake pressure sensor.

Installing

Install in reverse sequence; note the following points:

- Bleed brake system.

- Bleed hydraulic system for clutch.

- Initiate basic settings for brake pressure sensors. Adjustments

Tightening torques