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Home >> Volvo >> 2016 >> XC90 T8 R-Design >> Repair and Diagnosis (Single Page) >> Brakes >> Mechanical - Hydraulic >> Brake Control System - Removal, Replacement And Installation >> Hydraulic Unit Brake System >> Hydraulic Unit Brake System [2016-2019, B4204T23; B4204T27] >> Removal And Installation

Removal And Installation

REMOVAL 

NOTE:

Removal steps in this procedure may contain installation details. 

Remove the plenum cover, refer to: PLENUM COVER

GLL1042144Courtesy of VOLVO CARS CORPORATION

Remove the screw.

Torque:  M6, 10Nm

Remove the marked part.

GLL1003096Courtesy of VOLVO CARS CORPORATION

Disconnect the connector.

GLL1001138Courtesy of VOLVO CARS CORPORATION
CAUTION:

Make sure that all openings are sealed. 

Detach the following items: 

  1. Torque:  Ø6 mm diameter brake line, 14Nm
  2. Torque:  Ø8 mm diameter brake line, 18Nm
GLL1036781Courtesy of VOLVO CARS CORPORATION

Loosen the clip.

GLL1006742Courtesy of VOLVO CARS CORPORATION

Remove the screw.

Torque:  M6, 10Nm

GLL1001219Courtesy of VOLVO CARS CORPORATION

Remove the screws.

Torque:  M6, 10Nm

TRANSFERRING COMPONENTS 

GLL1018378Courtesy of VOLVO CARS CORPORATION

Remove the screws.

Torque:  M6, 10Nm

GLL1001030Courtesy of VOLVO CARS CORPORATION

Remove the screw.

Torque:  M6, 10Nm

INSTALLATION 

To install, reverse the removal procedure.

CAUTION:

If accidentally dropped or knocked install a new hydraulic control unit (HCU) and module. 

Perform bleeding air brake system, refer to: BRAKE SYSTEM BLEEDING

Order and download the appropriate Volvo software. (VIDA/Software/Hardware Changes)

Perform test drive schedule DSTC/ BCM/ VDDM, refer to: TEST DRIVE FORM DSTC/ BCM/ VDDM