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Home >> Volvo >> 2021 >> S90 T6 R-Design >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Brakes - Hydraulic/Vacuum-Hydraulic - Removal, Replacement And Installation >> (Reservoir, Brake Fluid) >> Reservoir, Brake Fluid [2020-2022, B4204T28, TG-81SD | 2021-2022, B420T, AWF8G55 AWD] >> Removal And Installation

Removal And Installation

REMOVAL 

NOTE:

Removal steps in this procedure may contain installation details.

Battery, disconnection. Refer to: [BATTERY DISCONNECTING AND CONNECTING]

Remove bushing push rod. Refer to: [BUSHING PUSH ROD]  

Remove the wiper mechanism, windscreen. Refer to: [WIPER MECHANISM, WINDSHIELD]

GLL1056825Courtesy of VOLVO CARS CORPORATION

Remove the marked part.

  1. Torque:  Strut and spring assembly bar to spring strut turret, 30Nm
  2. Torque:  M6, 10Nm

ALTERNATIVE 1 

GLL1048031Courtesy of VOLVO CARS CORPORATION

Disconnect the connector.

Remove the screw.

Fold marked part aside.

Torque:  M8, 24Nm

ALTERNATIVE 2 

GLL1046041Courtesy of VOLVO CARS CORPORATION

Disconnect the connector.

Remove the screw.

Fold marked parts aside.

Torque:  M8, 24Nm

ALL VEHICLES 

GLL1042262Courtesy of VOLVO CARS CORPORATION
CAUTION:

Pull carefully.

Loosen the nuts.

Fold marked parts aside.

Torque:  Ø6 mm diameter brake line, 14Nm

GLL1046393Courtesy of VOLVO CARS CORPORATION

Disconnect the connector.

Fold marked part aside.

GLL1049899Courtesy of VOLVO CARS CORPORATION

Remove the nuts.

Torque:  Master cylinder, to Brake booster, 27Nm

GLL1045038Courtesy of VOLVO CARS CORPORATION

Remove the marked part.

Remove the part carefully

TRANSFERRING COMPONENTS 

GLL1051700Courtesy of VOLVO CARS CORPORATION

Remove the marked part.

GLL1052131Courtesy of VOLVO CARS CORPORATION

Remove the screws.

Remove the marked part.

  1. Torque:  Protective plate, to brake fluid reservoir, 2.5Nm
  2. Torque:  Protective plate, to hydraulic unit, 8.7Nm
GLL1045223Courtesy of VOLVO CARS CORPORATION

Remove the screw.

Torque:  Brake fluid reservoir, to hydraulic unit, 3.6Nm

GLL1043529Courtesy of VOLVO CARS CORPORATION
NOTE:

Use suitable paper to absorb any escaping fluid.

Remove the marked part.

INSTALLATION 

GLL1044149Courtesy of VOLVO CARS CORPORATION
CAUTION:

Make sure that the gaskets are correctly located.

NOTE:

Use new seals.

To install, reverse the removal procedure.

Perform Battery, connecting. Refer to: [BATTERY DISCONNECTING AND CONNECTING]

Perform bleeding air brake system. Refer to: [BRAKE SYSTEM BLEEDING]

Calibration according to: Diagnostics / Components / Control modules/ Central Electronic Module (CEM) / Diagnostic sequences / Calibration of brake pedal sensor and brake pedal angle sensor