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-
...
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First read and observe the introductory information
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Unscrew the cap from the tyre valve.
Use the valve core extractor to screw the valve core out of the tyre valve.
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Shake the tyre filler bottle vigorously up a ...
Removing and installing voltage regulator, manufacturer: Valeo
Special tools and workshop equipment
required
Torque wrench -V.A.G 1783-
Removing
–
Remove alternator -C-
→ Chapter.
...
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