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Home >> Porsche >> 2019 >> Cayenne S >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 3 (24 Fuel System - Electronic Injection 3.0L -- 9YA - Cayenne (9YA)) >> WM, 244019 Removing And Installing Injector Valve (Injector) >> Installing Injector Valve (Injector)

Installing Injector Valve (Injector)

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

Information 

Information 

The fuel injector groove must not be damaged.

  1. If you intend to re-use the old injector valve:  Replace Teflon sealing ring -1-  .
    1. 1.1  Position injector valve up to -3-  of > VAS 211 015 - disassembly tool  .
    2. 1.2  Removing of Teflon sealing ring -1-  using > VAS 211 015 - disassembly tool-2- 
      G15241308Courtesy of PORSCHE CARS NORTH AMERICA, INC.

      Using disassembly tool VAS, 211 015

    3. 1.3  Clean the groove on the Teflon sealing ring -1-  and the injector valve stem with a clean cloth and acetone or solvent naphtha to remove combustion residues.
  2. Fit assembly cone -1-  with a new  Teflon sealing ring onto injector valve -3-  .
    G15241309Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Assembly cone

  3. Using assembly sleeve -1-  , push the Teflon sealing ring as far as possible onto the mounting cone -2-  and push the Teflon sealing ring into the groove by turning the assembly sleeve -1-  .
    G15241310Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Teflon sealing ring

  4. Calibrate Teflon sealing ring.
    G15241311Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Calibrating sleeve

    1. 4.1  Press the calibrating sleeve -2-  as far as the anchor block onto injector valve -1-  by turning it slightly (by about 180°).
    2. 4.2  Pull the calibration sleeve -2-  off again by turning it in the opposite direction.
    3. 4.3  Repeat the process using a second calibrating sleeve from the tool set.
  5. Replace other parts on the injector valve -1- 1) 
    G15241312Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Injector valve

    Information 

    Coat O-ring with engine oil.

    The Teflon sealing ring must not be oiled.

    1. 5.1  Replace O-ring -3-  , support washer -4-  and intermediate ring -5-  .
    2. 5.2  Check supporting plate -2-  for damage and only replace it if necessary.

      1) The Teflon sealing ring, O-ring and support washer are available as a repair kit in the Parts Information.

    Information 

    Coat O-ring with engine oil.

    The Teflon sealing ring must not be oiled.

    Information 

    The fuel injector must fit in easily. If necessary, wait until the Teflon sealing ring has shrunk.

  6. Insert the injector valve -1-  as far as the anchor block into the bore in the cylinder head using assembly driver -2-  from the tool kit.

    When doing so, ensure the correct installation position.

    G15241313Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Assembly driver on injector valve