Component Tests and General Diagnostics

Limited-slip differential 25% locking value

The limited-slip differential is designated on the housing or on the type plate with an "S".





A limited-slip differential has the following advantages:
a) Wheel slip when leaving the ground while driving over uneven ground is prevented.
b) With varying levels of traction/grip, wheel slip is prevented when setting off.
c) When cornering at high speed, the near side wheel does not spin.
d) The wheels do not spin on wet surfaces and at high road speeds.
e) The risk of slipping at high speed on variable road surfaces is reduced substantially.





Function check while installed:
a) Flat workshop floor.
b) Drive left wheel of vehicle onto special tool 33 1 450.
c) Fully release handbrake.
d) Engage 1st gear and run engine up to speed.
e) The limited-slip differential is functioning correctly the vehicle can be driven off the special tool 33 1 450.

Caution: Slowly drive out of the fixture.