34 52 516 Removing and Installing/Replacing DSC Control Unit

34 52 516 Removing and installing / replacing DSC control unit





Important!
Read and comply with notes on protection against electrostatic damage (ESD protection).





Necessary preliminary tasks:
^ Remove hydraulic control unit





Release screws (1) and remove holder (2).

Installation:
Tightening torque 34 51 4AZ.





Important!
Risk of damage to the contacts when removing and installing the hydraulic control unit.

Release screws (1) and carefully detach control unit (2) towards top.





Important!
Cleaning with compressed air, chemical solvents and sharp-edged objects is not permitted.
Do not touch pressure sensor contacts (2) with your fingers or clean the contacts.

If necessary, clean sealing surface (1) with a plastic scraper or a fluff-free cloth.





Important!
Do not touch valve coils (1) and pressure sensor contact springs (2) with your fingers, do not clean or readjust these components either.

Check gasket (3) for damage. If damaged, replace DSC control unit (4).





Installation:
Make sure screws are inserted evenly and DSC control unit rests on hydraulic control unit.

Replace screws.

Observe tightening sequence (1-4).

Tightening torque 34 51 1AZ.





Replacement:
- Carry out programming/encoding
- Steering angle sensor adjustment
- Brake line interchange check:
- Function check of hydraulic control unit