31 50 001 Removing And Installing/Replacing Front Differential
WARNING: This page does not describe the selected car, but rather 10 other vehicles, including the 2010 BMW 535xi, 2010 BMW 528xi, 2009 BMW 535xi, 2009 BMW 528xi, and 2008 BMW 535xi. However, it is still accessible from the selected car via links, so may be relevant.
WARNING:
Danger to life!
Secure engine in installation position to prevent it from falling down.
Secure engine in installation position to prevent it from falling down.
IMPORTANT:
Adhere to the utmost cleanliness. Do not allow any dirt to enter the hydraulic system.
Seal off hydraulic lines with plugs.
Seal off hydraulic lines with plugs.
Necessary preliminary tasks:
- Draw off and dispose of hydraulic fluid from fluid reservoir
- Secure engine in installation position
- Disconnect pressure line from vane pump
- Disconnect return line from cooling coil
- Drain and dispose of front differential oil
- Remove left output shaft
- Press right output shaft approx. 6 to 7 cm out of front differential
- Remove propeller shaft from front differential
- Replacement only:
- Replace front axle output flange on transfer boxNOTE: Replace the output flange to ensure a clean seal on the transfer case.
- Replace front axle output flange on transfer box
- Lower front axle support
IMPORTANT:
Grip front differential firmly while releasing last bolt in order to avoid damage caused by the differential falling.
Version with automatic transmission: If necessary, disconnect hydraulic lines from oil sump.
Release screws (1).
Tightening torque 31 50 7AZ. .
Detach front differential from oil sump and remove towards rear.
Installation:
Replace O-ring if necessary.
Coat O-ring with front differential oil.
After installation:
- Fill and bleed hydraulic system
- Check pipe connections for leaks
- fill with front differential oil
- Check transfer case oil level, correct if necessary
- Carry out steering angle sensor adjustment