Replacing DSC Hydraulic Unit (MK60)

DSC (Dynamic Stability Control)

Note: Read and comply with General Information.

First read out fault memory of control unit and if necessary print diagnostic record.

Installation:
On completion, carry out following tasks with the DIS (Diagnosis and Information System):
^ If control unit is new: Coding
^ If control unit is new: Adjustment of steering angle sensor, pressure sensors and transversal acceleration sensor
^ Function check, hydraulic unit
Bleed brake system.





Caution:
Do not mix up brake lines, mark prior to removal if necessary.
Seal off connection bores with plugs.





Remove brake master cylinder for DSC (MK60).
Disconnect plug connection (1) to control unit.
Release brake lines (F and R).
(F) from THZ circuit F to hydraulic control unit circuit F (front axle circuit)
(R) from THZ circuit R to hydraulic control unit circuit R (rear axle circuit)
Installation:
Brake hose couplings
M10x1 18 ± 1 Nm
M12x1 18 ± 1 Nm


Unfasten brake pipes.
(FR) from hydraulic control unit FR to front right wheel brake
(FL) from hydraulic control unit FL to front left wheel brake
(RR) from hydraulic control unit RR to rear right wheel brake
(RL) from hydraulic control unit RL to rear left wheel brake
Installation:
Brake hose couplings
M10x1 18 ± 1 Nm
M12x1 18 ± 1 Nm

Release screw (1) and feed out DSC unit with retaining fixture towards top.