BMW X3 Service & Repair Manual: Replacing transfer box control unit (longitudinal torque module) (atc 450)
Special tools required:
- 11 1 200
- 11 1 380
- 23 0 490
IMPORTANT: Before and after replacement, execute the "Repair" service function with the BMW diagnosis system.
READ AND COMPLY WITH NOTES ON PROTECTION AGAINST ELECTROSTATIC DISCHARGE (ESD PROTECTION) .
Necessary preliminary tasks:
- Disconnect NEGATIVE BATTERY CABLE
- Remove CROSS MEMBER .
Disconnect connector (1).
Release screws (2) and remove transfer box from control unit (longitudinal torque module) (3).
NOTE: Radial shaft seal of actuator shaft must be replaced as well.
Thread special tool 23 0 490 into radial shaft seal (1).
Drive out radial shaft seal (1) with impact weight (2).
Push the assembly sleeve 11 1 380 over the actuator shaft.
IMPORTANT: Nonobservance involves a risk of damage to the radial shaft seal.
Slide the new radial shaft seal (1) over the assembly sleeve (2) onto the actuator shaft.
Drive radial shaft seal fully home using special tool 11 1 200 and plastic hammer.
Remove the assembly sleeve.
After replacement: CARRY out programming/encoding.
Replacing radial shaft seal for actuator shaft (atc 45l)
Special tools required:
11 1 200
11 1 380
23 0 490
IMPORTANT:
Read and comply with notes on protection against electrostatic discharge ...
Replacing transfer box control unit (longitudinal torque module) (atc 45l)
Special tools required:
11 1 200
11 1 380
23 0 490
IMPORTANT:
Before and after replacement, execute the "Repair" service function with ...
Other materials:
BMW X3 Service & Repair Manual > Transmission shafts: Replacing radial shaft seal for output to the front axle (atc 450)
Special tools required:
23 0 490
27 1 470
83 30 2 318 114
IMPORTANT:
After completion of the repair work, check gearbox oil level.
For these transfer boxes, use approved TRANSMISSION OIL only.
Necessary preliminary tasks:
Remove front PROPELLER SHAFT .
Remove protective ...