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. |
Risk of damage to hydraulic unit caused by removal of the return flow
pump.Never detach the return flow pump from the hydraulic unit.Risk of
damage to control unit caused by static charge and dirt.Discharge any
static charge: touch an ESD workplace.Protect interior of control unit
from moisture and dirt.
| – |
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. |
|
|
|
Special tools and workshop equipment required
Torque wrench -V.A.G 1331-
Torque wrench -V.A.G 1410-
Brake pedal depressor -V.A.G 1869/2- ...
Special tools and workshop equipment
required
ESD workplace -VAS 6613-
Torque screwdriver -V.A.G 1624-
...
Other materials:
Introduction
This chapter contains information on the following subjects:
→ The dangers of assuming an incorrect sitting position
→ Correct sitting position
→ Mechanical controls on the front seat
→ Electrical controls on the front seats
→ Adjusting ...
Checklist
Using seat belts :
Check the condition of all seat belts
regularly.
Keep the seat belts clean.
Never let any foreign bodies and liquids
get on to the seat belt, the latch plate or into the slot for the seat belt
buckle.
Do not trap or damage the seat belt and
latc ...
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 ...
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Removing and installing control unit and hydraulic unit, RHD vehicles
Fitting control unit to hydraulic unit