Volkswagen Golf Service & Repair Manual: Separating control unit from hydraulic unit
| Special tools and workshop equipment
required |
| If a control unit is defective, separate it from the
hydraulic unit and renew only the control unit. |
| If the hydraulic unit is defective, the hydraulic unit must
be renewed together with the control unit. |
| To separate the control unit from the hydraulic unit, the
ESP unit must be removed first. |
| Return flow pump must not be separated from hydraulic unit. |
| Printed circuit board is exposed when control unit is
removed. |
| Neither moisture nor particles of dirt may enter the
interior of the control unit. |
| Avoid electrostatic charge! |
| This electrostatic charge can cause malfunctions if you
touch electric components. |
| – |
Before working on electric components, touch an earthed
object, ESD workplace -VAS 6613-. Do not directly touch
connector contacts or electronic components. |
| – |
Lay down hydraulic unit together with control unit on ESD
workplace -VAS 6613-. |
| – |
Unscrew the 3 Torx bolts from control unit and lay them
aside immediately (to avoid interchanging with the new Torx
bolts). |
| – |
Set hydraulic unit with control unit facing upwards on ESD
workplace -VAS 6613-. |
|
|
|
| – |
Taking care not to cant control unit, pull it off hydraulic
unit. |
| – |
Cover control unit solenoids with a lint-free cloth. |
| – |
Check cleanliness of hydraulic unit sealing surface; clean
with methylated spirits and a lint-free cloth if necessary. |
| The sealing surface of the hydraulic unit may not be worked
with a file, metal scraper, sandpaper or similar. |
| If the sealing surface of the hydraulic unit is damaged
(e.g. scoring, scratches), the hydraulic unit must be renewed
together with the control unit. |
| The seal of the control unit may not be pulled out or
raised. |
| The seal of the control unit cannot be renewed. |
|
|
|
On hydraulic unit:
1 -
From hydraulic unit to rear left brake caliper.
-
Identification: Ш 5. ...
Special tools and workshop equipment
required
ESD workplace -VAS 6613-
Torque screwdriver -V.A.G 1624-
...
Other materials:
Removing and installing Valeo heat exchanger, RHD vehicles
Special tools and workshop equipment
required
Drip tray for workshop hoist -VAS 6208-
Hose clamps up to 25 mm -3094-
...
Technical conditions
The wheel and tyre combinations and conversions listed in
the tables of the individual vehicles refer exclusively to
genuine wheel rims.
Approval of wheel and tyre combinations or a change to
wheels from the accessories trade is no ...
Unlocking the selector lever lock manually
Fig. 214 Removing the cover of the gearshift
gate
Fig. 215 Unlocking the selector lever lock
manually (Variant A) and (Variant B)
First read and observe the introductory information
and safety warningsIf the power fails in the vehicle (for example if the
battery is discharged) and the ve ...
© 2016-2025 Copyright www.vwgolf.org
