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Removing and installing the combined valve (regulator)

This procedure should not be done at home. Removal and installation of a regulator is straightforward, but the correct pumping hydraulic control unit (HCU) is quite a challenge. Because of the proximity of the valve and HCU ABS air easily enters the HCU by loosening compression fittings hydraulic lines.

Bleeding HCU should be done using the diagnostic scanner DRB II (after which the system should be bled manually). The scanner is a very expensive device and can serve as a good investment for a workshop of dealer branch. If your car there are any problems associated with the failure of the combined control and drag it to a workshop of dealer branch or a specialized workshop.