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Home >> Porsche >> 2023 >> Taycan Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 44 (47 Brakes - Brake Hydraulic System, Regulator, Booster 2.9L Turbo Gas -- 971 - PANAMERA (971)) >> WM, 477019 Removing And Reinstalling Brake Booster >> Preliminary Work

Preliminary Work

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2023 Porsche Panamera, 2022 Porsche Panamera, 2021 Porsche Panamera, 2020 Porsche Panamera, and 2019 Porsche Panamera. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disengage push rod from brake booster at the brake pedal.
    1. 1.1 >9897 - Unlocking tool -1-  must be guided into the support -2-  for the ball joint of the push rod from below.
    2. 1.2 >9897 - Unlocking tool  must be pressed into the support from behind -arrow A-. 
      G15858479Courtesy of PORSCHE CARS NORTH AMERICA, INC.

      Disengaging push rod from brake booster at the brake pedal (at the sides)

    3. 1.3 The pressure -arrow A-  must cause the fork -1-  of the >9897 - unlocking tool  to prise the retaining lugs -2-  apart -arrow B-. 
    G15858480Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Disengaging push rod from brake booster at the brake pedal (from above)

  2. Remove cross panel.

    > WM, 508119 REMOVING AND INSTALLING CROSS PANEL

  3. Disconnect refrigerant line -1-  at the expansion valve.

    > WM, 874419 REMOVING AND INSTALLING EVAPORATOR/CONDENSER LINE

    G15858481Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Refrigerant line

  4. Drain the brake fluid reservoir.

    > 471019 REMOVING AND INSTALLING BRAKE FLUID RESERVOIR