Procedures
Preliminary jobs:
Cover above hydraulic unit removed.
Plug connector (a) (A7/5x)
disconnect.
Hydraulic lines (b, c, d)
screw off.
NOTE: Screw plugs onto or into the hydraulic lines and connections on the hydraulic unit immediately.
Nuts (arrows, 3 each)
screw off.
Install in opposite order.
Check for proper function and leakage.
Special tool
Hydraulic line b:
Plug part no. 129 589 00 91 05
Plug part no. 129 589 00 91 04
Hydraulic line c:
Plug part no. 129 589 00 91 08
Plug part no. 129 589 00 91 09
Hydraulic line d:
Plug part no. 129 589 00 91 06
Plug part no. 129 589 00 91 10