34 52 516 Removing and installing/replacing DSC control unit (DSC MK 100)
IMPORTANT:
Read and comply with notes on PROTECTION AGAINST DAMAGE FROM ELECTROSTATIC DISCHARGE (ESD PROTECTION)
.
Necessary preliminary tasks:
- Remove HYDRAULIC UNIT .
IMPORTANT:
Risk of damage to the contacts when removing and installing the hydraulic unit.
Release screws (1) and carefully detach control unit (2) towards front.
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, clean or readjust valve coils (1) and pressure sensor contact springs with your fingers.
Check gasket (2) for damage. If damaged, replace DSC control unit (3).
Installation note:
Make sure screws are inserted evenly and DSC control unit rests on hydraulic unit.
Replace screws.
Observe tightening sequence (1-3).
Tightening torque: 34 51 1AZ .
Replacement:
- Carry out programming/encoding
- Steering angle sensor adjustment
or
adjustment for active steering
- Brake line mix-up test:
- Function check, hydraulic unit