Vehicle Diagnosis, Testing And Information System - Volkswagen Passat 2011 Workshop Manual

Passat 2011 ➤ , Passat Variant 2011 ➤
Brake systems - Edition 02.2014
♦ Absolute cleanliness is required when working on the anti-lock
brake system. It is not permitted to use any products which
contain mineral oil, such as oils, greases etc.
♦ Thoroughly clean all unions and the adjacent areas before
loosening. Do not use aggressive cleaning agents such as
brake cleanser, petrol, thinners or similar.
♦ Place removed parts on a clean surface and cover.
♦ After separating the control unit/hydraulic unit, use the trans‐
port protection for the contact pins.
♦ If repairs cannot be carried out immediately, carefully cover or
seal open components. (Use sealing plugs from repair kit
1 H0 698 311 A).
♦ Only use lint-free cloths.
♦ Only unpack replacement parts immediately prior to fitting.
♦ Only use genuine packed parts.
♦ When the system is open, do not work with compressed air
and do not move the vehicle.
♦ During painting operations, the electronic control unit can be
exposed to a maximum temperature of 95 °C for only a short
period, and to a maximum of 85 °C for longer periods (approx.
2 hours). Ensure that no brake fluid enters connectors.
1.2 Vehicle diagnosis, testing and informa‐
tion system
Connecting -Fahrzeugdiagnosetester- and selecting functions
Special tools and workshop equipment required
♦ Vehicle diagnostic, testing and information system - VAS
5051-
♦ Diagnostic cable -VAS 5051/1- or -VAS 5051/3-
WARNING
♦ During a road test, you must always secure testing and
measuring equipment on the back seat.
♦ These devices may be operated only by a passenger while
the vehicle is in motion.
– Connect connector of diagnosis cable -VAS 5051/1- or -
VAS 5051/3- to diagnostic connection.
8
Rep. gr.45 - Anti-lock brake system