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‒ → If fitted, unplug connectors -arrows- at brake pressure senders -a- and -b-.
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‒ Unscrew brake pipes at brake master cylinder and seal brake pipes with plugs from repair set, part no. 1H0 698 311 A.
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‒ Unscrew securing nuts for brake master cylinder.
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‒ If fitted, detach heat shield with retaining plate.
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‒ Pull brake master cylinder off brake servo.
Installing
Install in reverse order, paying attention to the following:
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‒ Replace sealing ring between brake master cylinder and brake servo.
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‒ On inserting brake master cylinder, ensure correct positioning of pushrod in brake servo.
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‒ Depress brake pedal slightly to facilitate insertion of brake master cylinder in pushrod.
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‒ Bleed brake system: ABS/ESP Mark 20 =>Page 47-34.
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‒ Bleed clutch hydraulics.
=> Manual Gearbox; Repair Group 30
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‒ On vehicles with ABS/ESP, start basic setting for brake pressure sender(s).
=> Running Gear, Self-diagnosis; Repair Group 01
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‒ On vehicles with ABS/ESP Mark 60, perform ESP drive test.
=> Running Gear, Self-diagnosis; Repair Group 01
Tightening torques
|
---|
Component
|
|
Nm
|
Brake master cylinder to brake servo
|
20 1)
|
Brake pressure sender to brake master cylinder
|
14
|
Air cleaner housing
|
|
10
|
1) Replace nuts
|