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Home >> Porsche >> 2012 >> Cayenne Turbo >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 53 (47 - Brakes- Brake Hydraulic System, Regulator, Booster (4.8L Non Turbo) -- 92A - Cayenne (92A)) >> WM, 477719 Removing And Installing Vacuum Line For Brake Booster >> Installing Vacuum Line For Brake Booster

Installing Vacuum Line For Brake Booster

WARNING: This page is about a different variant/trim than selected.
  1. Carefully guide the vacuum line into the plenum panel from the right.
  2. Clip the vacuum line -1-  into the retaining clip -2-  in the plenum panel.
    G16330570Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Clip on brake booster vacuum line

  3. Plug in electric plug connection -1-  for the vacuum control valve -2-  (-A-  ) and lock it -a-  .
    G16330571Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Electric plug connection on vacuum control valve

    Information 

    The two O-rings on the vacuum line at the vacuum pump must always be replaced.

  4. Fit vacuum line -2-  for brake booster onto the vacuum pump -3-  and secure the clamp -1-  .
    G16330572Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Vacuum pump line

  5. Carefully press the vacuum line -1-  with the rubber boot -2-  into the bulkhead -3-  .
    G16330573Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Rubber boot on vacuum line for brake booster

  6. Carefully fit the vacuum line -1-  into the brake booster -2-  .
    G16330574Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Vacuum line on brake booster (shown without brake master cylinder)