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Home >> Porsche >> 2019 >> 718 Boxster Base, Automatic DCT Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (13 Engine - Crank Drive, Pistons 2.5L -- 982 - BOXSTER/CAYMAN) >> WM, 137455 - Replacing Crankshaft Sealing Ring - Belt Side >> Installing Crankshaft Sealing Ring

Installing Crankshaft Sealing Ring

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

NOTIFICATION 

Incorrect tool 

Tool overview: 

G14944646Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Tool 9774 with sealing ring

  1. Assembly sleeve of special tool > 9774 - assembly aid 
  2. Insertion part of special tool > 9774 - assembly aid 
  3. Sealing ring with support ring for crankshaft flange on belt side
WARNING: Caustic fluids 
  • Danger of chemical burns 
    • → Wear personal protective gear.
    • → Ensure that there is good ventilation.
    • → Avoid contact with caustic fluid.
    • → If you do come into contact, wash off immediately with plenty of warm water and contact a doctor if necessary.
  1. Smaller burred spots or damaged areas on the tools can be removed with a needle-point file. Then clean off using an oilstone, fine abrasive cloth or polishing cloth.
    1. 1.1 Remove residual dirt on the tools using solvent naphtha or acetone.
    CAUTION: Damage to the sealing lip. 
    • Leaks 
      • → The crankshaft flange and tools must be perfectly clean and free of grease.
      • → The sealing ring must be fitted dry, i.e. no oil, grease or other lubricants can be used.
      • → The crankcase bore must not be oiled.
      • → The sealing ring can only be positioned on the assembly tool using the supporting sleeve.
      • → The new crankshaft sealing ring (PTFE) is supplied on a supporting sleeve as a spare part.
      • → Do not remove the sealing ring from the supporting sleeve.
  2. Position the crankshaft sealing ring and support ring dry on the insertion part. Apply pressure only to the support ring when doing this.
    1. 2.1 Do not use lubricants.
    G14944647Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Sealing ring on insertion part

    1. Insertion part
    2. Sealing ring
    3. Support ring
  3. Fit crankshaft sealing ring -1-  and insertion part -3-  on the crankshaft flange.
    1. 3.1 Tighten the tool hand-tight on the crankshaft flange using two cheese head bolts -2-  (hexagon socket, a/f 8).
    G14944648Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Sealing ring with insertion part

  4. >9774 - Assembly aid-1-  must be fitted on insert part with crankshaft sealing ring.
    1. 4.1 To do this, place the hexagon-head bolt for the assembly sleeve onto the thread of the insertion part.
    G14944649Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Fitting assembly aid

  5. Install crankshaft sealing ring.
    1. 5.1 > 9774 - Assembly aid  must now be screwed in slowly clockwise as far as it will go using a ratchet -1-  .
    2. 5.2 Leave the tool fitted for two minutes to allow the sealing lip to settle into position.
    G14944650Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Installing crankshaft sealing ring

  6. Remove assembly aid.
    1. 6.1 Undo the hexagon-head bolt and take off the assembly sleeve.
    2. 6.2 Unscrew two cheese head bolts on the insertion part and remove the component with the support ring.
    3. 6.3 Leave the support ring in position after fitting it on the tool to protect the edges of the tool.
  7. Use a calliper gauge to check that the crankshaft sealing ring is seated correctly and is straight.
    1. 7.1 To check this, take measurements at four different places, offset by 90°, from the crankshaft flange surface to the crankshaft sealing ring (level surface).

      > Dimension 2.7 mm +/- 0.3 mm 

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