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Home >> Porsche >> 2003 >> 911 Carrera 4S, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 38 (Engine) >> Removing And Installing Crankshaft Sealing Ring (Engine Installed) >> Removing And Installing Crankshaft Sealing Ring - Engine Installed (Pulley Side) >> Installation

Removing And Installing Crankshaft Sealing Ring - Engine Installed (Pulley Side): Installation

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  1. Insert new sealing ring using special tool 9610 (insertion tool):
    1. Place assembly sleeve on crankshaft journal.
    2. Thoroughly lubricate the crankshaft journal, assembly sleeve and sealing lip.
      NOTE:
      • Coat outer diameter of sealing ring with Loctite 574.
    3. Position sealing ring by hand and push off the assembly sleeve onto the crankshaft journal.
      Fig 1: Positioning Sealing Ring
      G03092249Courtesy of PORSCHE OF NORTH AMERICA, INC.
    4. Remove assembly sleeve.
    5. Position hexagon-head bolt (M16 x 1.5 x 60) and outer part of special tool and insert sealing ring as far as it will go.
  2. Fit belt pulley.
    NOTE: Check whether there are foreign objects in the drive belt grooves of the pulley.
  3. Tighten hexagon-head bolt using the socket wrench insert 9594; simultaneously hold with retaining device 9593.
  4. Fit drive belt.


  1. Fit drive belt by hand, slightly pre-tensioned, in the following sequence:
    1. Coolant pump drive pulley (1) see Fig 1.
    2. Alternator drive pulley (2) see Fig 1.
    3. Deflection roller 1 (3) see Fig 1.
    4. Power steering pump drive pulley (4) see Fig 1.
    5. Air-conditioning compressor drive pulley (5) see Fig 1.
    6. Crankshaft pulley (6) see Fig 1.
    7. Tensioning roller (7) see Fig 1.

    Then turn the tensioning roller (7) in clockwise direction and simultaneously fit the drive belt on the deflection roller 2 (8). See Fig 1.

    Fig 1: Identifying Drive (Serpentine) Belt Installation Sequence
    G03092252Courtesy of PORSCHE OF NORTH AMERICA, INC.
    Fig 2: Turning Drive Belt Tensioning Roller In Clockwise Direction
    G03092253Courtesy of PORSCHE OF NORTH AMERICA, INC.
  2. Slowly relieve the tensioning roller.
  3. Visually check whether the belt is correctly positioned on all drive pulleys.
  4. Fit rear wall trim, rear wall cover and seat again.
  5. Connect the battery.
  6. Perform tightness test.
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