31 11 506 Lowering/raising front axle carrier
Special tools required:
- 00 2 040
- 31 4 051
- 31 4 060
- 33 3 274
Secure Engine In Installation Position to prevent it from falling down.
Necessary preliminary tasks:
- Secure Engine In Installation Position
- E93: Remove diagonal struts from engine mounting
- Remove Reinforcement Strut / V-Strut
- Remove radiator
- Remove diesel enclosure on both sides
- Remove Lower Section Of Steering Spindle From Steering Gear
- Disconnect plug connection from ride-height sensor
- Version with electric steering gear (EPS): Unclip connecting line from front axle carrier
- If necessary, disconnect vacuum line from electrically operated valve to engine mounts at T-piece
Failure to comply with the following instructions may result in the vehicle slipping off the lifting platform and critically injuring other persons.
When supporting components, make sure that
- the vehicle can no longer be raised or lowered
- the vehicle does not lift off the locating plates on the lift platform
If necessary, position special tool 00 2 040 with a 2nd person helping on workshop jack.
Insert special tools 31 4 051 and 31 4 060 into corresponding mountings of special tool 00 2 040.
Align special tool 00 2 040 to front axle carrier.
If necessary, lower special tool 33 3 274.
Support front axle carrier by raising special tool 00 2 040.
Release screws (1, 2).
Lower front axle carrier on both sides; if necessary, disconnect cooler return line/coolant pipe from front axle carrier.
Installation:
Check threads for damage; if necessary, repair with Helicoil thread inserts .
Tighten down first screws (1) and then screws (2).
For tightening torque refer to 31 10 1AZ in 31 10 FRONT AXLE SUSPENSION .
After installation: