37 13 ... Removing and Installing/Replacing Pressure Lines (Front) For Oscillating Motor/Front Axle

37 13 ... - Removing and installing/replacing pressure lines (front) for oscillating motor/front axle

Warning!
Danger of poisoning 00 .. ... Danger of Poisoning If Oil Is Ingested/Absorbed Through the Skin if oil is ingested/absorbed through the skin!
Risk of injury 00 .. ... Risk of Injury If Oil Comes Into Contact With Eyes and Skin if oil comes into contact with eyes and skin!

Important!
Adhere to the utmost cleanliness. Do not allow any dirt to enter the hydraulic system.

Recycling:
Catch and dispose of hydraulic fluid in a suitable container.

Necessary preliminary tasks:
- Remove front wheels 36 10 300 Removing or Installing Front or Rear Wheel
- Remove front underbody protection 51 47 490 Removing and Installing / Replacing Front Underbody Protection
- Remove right wheel arch cover 51 71 038 Removing and Installing/Replacing Front Left or Right Wheel Arch Cover (Front Section)
- Remove steering gear cover at top right 51 71 ... Removing and Installing/Replacing Top Right Steering Gear Cover
- Remove radiator air duct Service and Repair
- Remove both brake air ducts with holder
- Remove fan cowl
- Remove heat exchanger from front axle carrier and tie up

Remove radiator box from engine carrier, extend out, press upwards and support with workshop jack.

Installation Note:
Check rubber mounting of radiator box for correct seating.

Important!
Risk of damage!
First adjust minimum distance (A) = 3 mm between pressure line (1) and oscillating motor (2).
-> M57T0p/ N52/ N54/ N62:
Then adjust pressure line (3) with minimum distance (B) = 8 mm to pressure line (1).
-> N63/ S63:
Then adjust pressure line (3) with minimum distance (B) = 5 mm to pressure line (1).

Mark installation position of pressure lines to oscillating motor.
Release banjo bolts (1) and remove pressure lines (2) from oscillating motor.
Seal pressure lines (2) and connections of oscillating motor with suitable sealing plugs.

Installation Note:
Carry over identification to new component.
Pressure lines are protected against being mixed up by different thread diameters on the oscillating motor connection.
Tightening torque 37 14 18AZ 37 14 Electric Components.

Release screws (1).
Tightening torque 37 14 20AZ 37 14 Electric Components.

Important!
To remove the risk of mix-up after removal of the pressure lines at the holders, observe the following:
- Holder, direction of travel, left: Stud bolt (1) arranged virtually centrally on the holder
- Holder, direction of travel, right: Stud bolt (1) arranged off-center to the front of the holder
- Align holders as pictured by way of additional lugs (2); both lugs point in direction of travel to right

If necessary, remove line holder (1).

Installation Note:
Check seating of line holder, correct if necessary.

Release screw (1) and unclip holder lower section (2) with decoupler.

Installation Note:
Replace damaged lower section.
Tightening torque 37 14 25AZ 37 14 Electric Components.

For vehicles with production date up to 10/08:
Release banjo bolts (1).
Seal pressure lines with suitable sealing plugs.
Remove pressure lines.

Installation Note:
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 37 14 15AZ 37 14 Electric Components.

For vehicles with production date from 10/08:
Release screws (1) and (2) of block screw connections.
Seal pressure lines with suitable sealing plugs.
Remove pressure lines.
Tightening torque 37 14 27AZ 37 14 Electric Components.

After installation:
- Fill and bleed hydraulic system 32 13 006 Bleeding Power Steering (Version With Dynamic Drive)
- Check pipe connections for leaks
- Carry out initial Dynamic Drive operation 37 10 001 Initial Operation With Test Run of Dynamic Drive.