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Home >> Porsche >> 2023 >> Cayenne Base, 4D Utility Coupe >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 12 (15 Engine - Cylinder Head, Valve Drive 4.0L -- 9YA - Cayenne (9YA)) >> WM, 158419 Removing And Installing Camshaft Actuator (Includes Setting Timing) >> Subsequent Work

Subsequent Work

WARNING: This page is about a different variant/trim than selected.
  1. Install chain housing cover.

    > 153319 REMOVING AND INSTALLING CHAIN HOUSING COVER

  2. Fit change-over valve for water pump -3-  and holder.
    Fig 1: Vacuum System Components Location
    G15211679Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Vacuum system

    1  Brake booster vacuum pump
    2  Vacuum line
    3  Electric change-over valve for water pump
    4  Control valve for boost pressure control, cylinders 1 to 4
    5  Control valve for boost pressure control, cylinders 5 to 8
    6  Brake booster connection
    7  Vacuum unit connection
  3. Secure tank ventilation sensor (USA) or dummy (cylinders 1-4) -1-  .
    G15211680Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Tank ventilation sensor (cylinders 1-4)

    > 202319 REMOVING AND INSTALLING TANK VENT VALVE (V8 BITURBO)

    1. 3.1  Position tank ventilation sensor (USA) or dummy -1-  together with vent line -5-  on holder -4-  .
    2. 3.2  Screw in and tighten fastening screw -2-  .
    3. 3.3  Plua in electric plua connection -3-  .
  4. Secure guide for oil dipstick.
  5. Only for cylinders 5-8:  Install vacuum pump.

    > WM, 477619 REMOVING AND INSTALLING BRAKE BOOSTER VACUUM PUMP (V8 BITURBO)

  6. Install pressure pipes.

    > 214119 REMOVING AND INSTALLING PRESSURE PIPE (V8 BITURBO)

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