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

Volkswagen Golf Service & Repair Manual / Brake system (hybrid) / 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

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 without canting it.

–	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), hydraulic unit must be renewed.

Specified torque

Tighten new Torx bolts alternately in 2 stages

1. stage: temporary tightening torque: 1 Nm to 1.5 Nm (to allow the seal to settle).

2. stage: final specified torque: 2.5 Nm.

→ Chapter „Assembly overview - control unit and hydraulic unit“

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:

Controls for the heating and fresh air system
Fig. 183 In the centre console: controls for the heating and fresh air system First read and observe the introductory information and safety warnings Button, control Additional information. Heating and fresh air system Temperature ...

General description
Caution If excessive force is exerted on sockets without illumination, the retaining sleeve may be damaged. Only illuminated sockets (cigarette lighter) can be removed with the pull ...

Balancing wheel, checking radial and lateral run-out of wheels and tyres
Before you start balancing the wheels, the following requirements must be met. Tyre pressure must be OK. Tread must not be worn on one side. Tread depth should be at least 4 mm. T ...