32 13 572 Replace electrical steering box (EPS)
WARNING:
High-voltage system - mortal hazard
- Observe SAFETY INSTRUCTIONS for working with electric vehicles.
IMPORTANT:
Connecting line:
In the event of moisture/corrosion inside the two plug connections, check the insulation of the connecting line. If the insulation reveals any noticeable/striking features, partial replacement will be necessary. Otherwise it will be sufficient to replace the contacts or connector housing.
In the event of moisture/corrosion inside the two plug connections, check the insulation of the connecting line. If the insulation reveals any noticeable/striking features, partial replacement will be necessary. Otherwise it will be sufficient to replace the contacts or connector housing.
NOTE:
In a warranty case you must always provide a fault memory printout, even where there is no fault entry, with the defective part.
IMPORTANT:
Do not turn the steering wheel once the steering shaft has been detached from the steering gear. If the lower part of the steering shaft is separated from the steering gear, the steering column switch cluster may be damaged when the steering wheel is turned.
Preliminary work needed:
- Refer to DISCONNECTING BATTERY GROUND LEAD .
- Refer to REMOVING FRONT WHEELS .
- Lower front axle. Refer to 31 11 506 LOWERING/RAISING FRONT AXLE SUPPORT (UNIVERSAL LIFTER) - WITH RANGE EXTENDER .
IMPORTANT:
Do not release tie rod end from swivel bearing with impact tool.
Rubber boot must not be damaged!
Rubber boot must not be damaged!
Release nuts (2) of tie rods at swivel bearing (3).
- At the same time, counter support at the Torx socket.
Tightening torque 32 21 3AZ .
Release tie rod ends (1) from swivel bearing (3).
Installation note:
Keep tie rod end to swivel bearing connection clean and free from oil and grease.
Replace nuts (2).
Loosen screws (1).
Tightening torque, 32 00 1AZ .
Remove steering gear (2) to the left.
IMPORTANT:
Risk of damage!
Pay attention to connector housing on steering box while removing steering box!
Pay attention to connector housing on steering box while removing steering box!
Installation note:
Replace screws.
IMPORTANT:
Protective cap of steering gear is filled with grease.
A discharge of grease (1) is not faulty!
A discharge of grease (1) is not faulty!
Installation note:
Remount TIE ROD END on left and right.
Or check and replace if necessary!
After installation:
- Carry out PROGRAMMING/CODING .
- Turn steering wheel in both directions to the stop. The airbag checklight must not light up in the process.
- Teach in END STOPPING SOFTWARE .
- Carry out wheel alignment procedure. Refer to 32 00 150 KDS CHASSIS/WHEEL ALIGNMENT CHECKING WITH VEHICLE LOAD UP TO DESIGN POSITION .