Volkswagen Golf Service & Repair Manual: Fitting control unit to hydraulic unit

Volkswagen Golf Service & Repair Manual / Brake system / ABS, ADR, TCS, EDL, ESP / Control unit and hydraulic unit / Fitting control unit to hydraulic unit

Special tools and workshop equipment required

ESD workplace -VAS 6613-

Torque screwdriver -V.A.G 1624-

Torx bit T25

Note

Severe shocks (e.g. dropping, impact) may destroy control unit. Control unit must not then be used.

Clean surfaces before assembling.

–	Place control unit on hydraulic unit, ensuring it is not canted when doing so.

–	Tighten hydraulic unit and control unit alternately in 2 stages to specified torque using new Torx bolts provided.

Note

The threads of the hydraulic unit for securing the control unit must not be recut. If the threads are damaged (bolts difficult to turn in by hand or cannot be tightened to the specified torque), then the hydraulic unit must be renewed.

Specified torque

→ Chapter „Assembly overview - control unit and hydraulic unit, LHD vehicles“

Note

A new control unit may be mounted on an existing hydraulic unit max. three times to guarantee impermeability of the elastic seal.

A control unit which has already been operated in a vehicle must not be installed a second time.

Fitting control unit to hydraulic unit

Separating control unit from hydraulic unit

Special tools and workshop equipment required ESD workplace -VAS 6613- Torx bit T25 I ...

Sensors

...

Other materials:

Vehicles with multilink suspension
1 - Rubber mounting Renew if damaged 2 - Bolt 20 Nm 3 - Mounting Renew if damaged 4 - Centre silencer Combined in one u ...

Overview of fitting locations
Overview of fitting locations - ABS/ESP 1 - ABS control unit -J104- Installation location: on hydraulic unit, on passenger side of engine compartment. Do not separate connector before successfully completing self-diagn ...

Removing and installing connection for external multimedia devices, in the front armrest compartment
Special tools and workshop equipment required Removal wedge -3409- Removing – Switch off ignition and all electrical consumers. ...