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Home >> Porsche >> 2021 >> 911 Targa 4 >> Repair and Diagnosis >> External Pages >> Different car >> Section 19 (47 Brakes - Brake Hydraulic System, Regulator, Booster 3.0L (Eng Code MDK.Kb) -- 992 - 911 CARRERA (992)) >> WM, 477019 Removing And Installing Brake Booster >> Installing Brake Booster

Installing Brake Booster

WARNING: This page is about a different car, the 2024 Porsche 911, 2023 Porsche 911, and 2022 Porsche 911. However, it is still accessible from the selected car via links, so may be relevant.

Information 

  1. Replace seals -1-  .
    G15527831Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Brake booster seals

    1 Seals
    2  Spacer

    Information 

    The help of another person is required.

    Information 

    G15527832Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Brake booster

    • The brake booster must not be lifted in area -A-  .
    • Make sure not to damage the push rod boot -1- when removing and installing the brake booster. 
  2. Carefully position brake booster -1-  in installation position -arrow A-  . Get another person to guide the push rod from the footwell.
    G15527833Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Brake booster

  3. Fit brake booster -1-  on mounting saddle -2-  .
    G15527834Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Mounting for brake booster on mounting saddle

    1. 3.1  Tighten new nuts -3-  . > Tightening torque 23 Nm (17 ftlb.) 
  4. Clip brake booster push rod into the brake pedal -2-  (-arrow A-  ).
    G15527835Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Brake-pedal push rod mounting to brake pedal

  5. Connect and lock electric plug connections -1 and 2-  for brake booster -3-  .
    G15527836Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Electric plug connections on brake booster

  6. Connect and lock electric plug connection -4-  for brake fluid reservoir -1-  .
    G15527837Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Lines on brake fluid reservoir

  7. Fit brake lines -1-  n the brake master cylinder -2-  .
    G15527838Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Brake lines on brake master cylinder

    1. 7.1  Tighten cap screws -3-  to > Tightening torque 16 Nm (12 ftlb.)  and secure brake lines in the bracket -4-  .
  8. On vehicles with manual transmission:  fit vent line -2-  and return line -3-  to the brake fluid reservoir -1-  .
    G15527839Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Lines on brake fluid reservoir