37 13 ... Removing and installing/replacing pressure lines (rear) for oscillating motor/front axle
Special tools required:
- 37 1 151
Necessary preliminary tasks:
- Partially remove front right wheel arch cover (rear section). See 51 71 039 REMOVING AND INSTALLING/REPLACING FRONT LEFT OR RIGHT WHEEL ARCH COVER (REAR SECTION) .
- Remove right underbody panelling. See 51 47 ... REMOVING AND INSTALLING/REPLACING LEFT OR RIGHT UNDERBODY PANELLING .
Release banjo bolts of pressure lines (1, 2) to front axle oscillating motor with special tool 37 1 151. Installation: Tightening torque, see 37 14 13AZ in 37 14 ELECTRIC COMPONENTS .
Remove lead holder (1). Installation: Check seating and position of line holders, correct if necessary.
For vehicles with production date up to 10/2008: Release banjo bolts (1). Seal pressure lines with suitable sealing plugs. Installation: Pressure lines are protected against being mixed up by different thread diameters. Hydraulic lines are not permitted to contact each other or adjoining components. Tightening torque, see 37 14 15AZ in 37 14 ELECTRIC COMPONENTS . Release screw pins (2), open holder and remove pressure lines. Installation: Replace screw pins. Tightening torque, see 37 14 22AZ in 37 14 ELECTRIC COMPONENTS .
For vehicles with production date up to 10/2008: Release screws (1) and (2) of block screw connections. Seal pressure lines with suitable sealing plugs. Installation: Hydraulic lines are not permitted to contact each other or adjoining components. Tightening torque, see 37 14 27AZ in 37 14 ELECTRIC COMPONENTS . Release screw pins (3), open holder and remove pressure lines. Installation: Replace screw pins. Tightening torque, see 37 14 22AZ in 37 14 ELECTRIC COMPONENTS .
After installation:
- Fill and bleed hydraulic system. See 32 13 006 BLEEDING POWER STEERING (VERSION WITH DYNAMIC DRIVE) .
- Check pipe connections for leaks.
- Carry out initial DYNAMIC DRIVE operation.