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:

Checking auxiliary air heater element - Z35- with auxiliary air heater control unit - J604-, RHD vehicles
Checking Special tools and workshop equipment required Vehicle diagnostic tester with current probe 100 A -VAS 5051B/7- Test conditions Intake temperature less th ...

Removing and installing front air distribution flap control motor -V426-, RHD vehicles
Special tools and workshop equipment required Vehicle diagnostic tester First carry out the following work: – Switch off all electrical consumers. – ...

Removing and installing TV tuner, eGolf
Special tools and workshop equipment required Protective cap for wiring harness connector -VAS 6223/9- If the control unit is replaced, select the Replace function of the resp ...