Audi A8 2003 Workshop Manual page 36

Audi A8 2003 ➤
Brake system - Edition 03.2013
– With solenoids pointing downwards, carefully press on control
unit -1-, guiding it over valves on hydraulic unit -2-. Make sure
that valves remain straight.
– The edge of the control unit housing must slide over the shoul‐
der on the hydraulic unit.
Note
Use new bolts.
♦
To avoid any risk of leakage at the flexible seals, a new control
♦
unit must not be fitted more than twice onto an "old" hydraulic
unit that is being re-installed.
A control unit which has been in operation while the vehicle is
♦
being driven must not be fitted a second time.
– Push control unit onto ABS hydraulic unit (N55) and screw in
new bolts -1- and -2- evenly (without tightening) until control
unit makes even contact with hydraulic unit.
– Screw in bolts -1- to -6- all the way, but do not tighten.
– Tighten bolts -1- to -6- in the sequence shown.
Tightening torque 2.9 Nm
– After tightening, check that all bolt heads are seated flush.
– Install assembled unit
30
Rep. gr.45 - Anti-lock brake system
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