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Home >> Porsche >> 2021 >> 911 Targa 4 >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 64 (47 Brakes - Brake Hydraulic System, Regulator, Booster 3.8L (Eng Code MDK.H) -- 992 - 911 CARRERA (992)) >> WM, 477019 Removing And Installing Brake Booster >> Installing Brake Booster

Installing Brake Booster

WARNING: This page is about a different variant/trim than selected.

Information 

  1. Replace seals -1-  .
    G15526590Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Brake booster seals

    1  Seals
    2  Spacer

    Information 

    The help of another person is required.

    Information 

    G15526591Courtesy 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.
    G15526592Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Brake booster

  3. Fit brake booster -1-  on mounting saddle -2-  .
    G15526593Courtesy 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 -1-  into the brake pedal -2-  (-arrow A-  ).
    G15526594Courtesy 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-  .
    G15526595Courtesy 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-  .
    G15526596Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Lines on brake fluid reservoir

  7. Fit brake lines -1-  on the brake master cylinder -2-  .
    G15526597Courtesy 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-  .
    G15526598Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Lines on brake fluid reservoir