Removal and installation of the combined valve (regulator)
This procedure should not be made in house conditions. Removal and installation of a regulator do not cause difficulties, however the correct pumping of the hydraulic control unit (HCU) is rather complex challenge. In view of proximity of an arrangement of the valve and HCU ABS air easily gets to HCU when weakening shtutserny connections of hydraulic lines.
Pumping of HCU should be made with use of the diagnostic DRB II scanner (then the system should be pumped over manually). The scanner is very expensive device and can serve as a favorable investment only for a workshop of dealer office. If on your car there are any problems connected with refusals of the combined regulator, tow off it in a workshop of dealer office or on specialized car repair shop.
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