Allroad Quattro V8-4.2L (BAS) (2004)
Hydraulic Control Assembly - Antilock Brakes: Service and Repair
Hydraulic Control Unit, Removing and Installing
Hydraulic control unit, removing and installing
Special tools and equipment
Plug repair set, Part no. 1 HO 698 311A
Brake pedal depressor, e.g. from V.A.G 1813
Installation location
The hydraulic control unit is installed on left side of engine compartment.
Removing
CAUTION: Brake lines must not be bent.
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For vehicles equipped with coded anti-theft radio, note radio code, obtain if necessary.
See Caution before beginning repairs on the electrical system
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Disconnect battery.
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Unlatch connector from control module in direction of -arrow- and unplug.
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Insert brake pedal depressor between brake pedal and driver's seat. Depress the brake pedal by at least 60 mm.
Note:
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The brake pedal depressor must remain in position until all the brake lines have been reconnected to the hydraulic unit.
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Protect the engine compartment against escaping brake fluid.
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Unscrew brake line connections on hydraulic unit.