VW Passat & Audi A4 1990-2000

Front Crankshaft Seal

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removal & installation
1.8L & 2.0L Engines
  1. Disconnect the negative battery cable.
  2.  
  3. On A4 & 1998-00 Passat models, place the (hood) lock carrier in the service position. For additional information, please refer to the following topic(s): Body And Trim, Service Position, Front Bumper, Hood Lock Carrier.
  4.  
  5. Remove the accessory drive belts.
  6.  
  7. Remove the timing belt.
  8.  
  9. Hold the crankshaft sprocket with tool 3099 and remove the center bolt and sprocket.
  10.  
  11. If the following tools are available,
  12.  
    1. Unscrew the inner part of Oil Seal Extractor 2085, or equivalent, out of the outer part about two turns.
    2.  
    3. Install the socket head bolt into the crankshaft to guide the tool.
    4.  
    5. Apply oil to the Oil Seal Extractor 2085, or equivalent. Apply firm pressure and screw the tool into the oil seal as far as it will go.
    6.  
    7. Loosen the knurled screw and turn the inner part against the crankshaft until the seal is removed.
    8.  
    9. Remove the socket head bolt.
    10.  

  13. If special tools are not available,
  14.  
  15. Wrap a shop rag around the end of the crankshaft, and then use a seal puller to remove the crankshaft oil seal.
  16.  
  17. Remove the shop rag, and then the oil seal.
  18.  



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Fig. Tool No. 3099 or equivalent is used to hold the crankshaft toothed gear, allowing removal of the center bolt-1.8L and 2.0L engines



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Fig. Install the socket head bolt (3083) in the crankshaft to guide the Seal Extractor-1.8L and 2.0L engines



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Fig. Screw the seal Extractor (2085) into the oil seal while applying pressure-1.8L and 2.0L engines



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Fig. Install the guide sleeve (3083) on the crankshaft-1.8L and 2.0L engines



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Fig. Tighten the socket head bolt to press the seal into place-1.8L and 2.0L engines

To install:

  1. If the following tools are available,
  2.  
    1. Install the guide sleeve from tool 3083 on the end of the crankshaft.
    2.  
    3. Apply oil to the lip of the seal and slide the seal over the guide sleeve.
    4.  
    5. Press the seal in using the thrust sleeve from tool 3083 and a socket head bolt.
    6.  

  3. If special tools are not available,
  4.  
    1. Lightly oil the inner lip of the seal.
    2.  
    3. Install the oil seal over the end of the crankshaft.
    4.  
    5. Using the appropriate seal driver, install the seal flush.
    6.  

  5. Install the crankshaft sprocket. Tighten the crankshaft sprocket bolt to:
  6.  
  7. Step 1: 66 ft. lbs. (90 Nm)
  8.  
  9. Step 2: 90° ( 1 / 4 turn)
  10.  
  11. The balance of assembly is in reverse order of removal.
  12.  

2.8L VR6 Engine

The pulley/vibration damper is removed to access the front crankshaft seal.

  1. Note the radio security code and disconnect the negative battery cable.
  2.  
  3. Remove the wheel well splash shield if it interferes with damper removal.
  4.  
  5. If necessary, remove the lower engine shield.
  6.  
  7. Remove the crankshaft driven accessory drive belt.
  8.  
  9. Counter hold the pulley with Tool No. 3273, or its equivalent.
  10.  
  11. Remove the crankshaft damper bolt.
  12.  
  13. Remove the crankshaft damper assembly.
  14.  
  15. Wrap a shop rag around the end of the crankshaft, and then use a seal puller to remove the crankshaft oil seal.
  16.  
  17. Remove the shop rag, and then the oil seal.
  18.  

To install:

  1. Lightly oil the inner lip of the seal.
  2.  
  3. Install the oil seal over the end of the crankshaft.
  4.  
  5. Using the appropriate seal driver, install the seal flush.
  6.  
  7. Tighten the damper bolt to:
  8.  
    1. Step 1: 74 ft. lbs. (100 Nm)
    2.  
    3. Step 2: 90 ° ( 1 / 4 of a turn)
    4.  

  9. The balance of assembly is in reverse order of removal.
  10.  

2.8L V6 Engine
  1. Disconnect the negative battery cable.
  2.  
  3. Place the (hood) lock carrier in the service position. For additional information, please refer to the following topic(s): Body And Trim, Service Position, Front Bumper, Hood Lock Carrier.
  4.  
  5. Remove the accessory drive belt.
  6.  
  7. Rotate the engine to top dead center, remove the sealing plug from the left side of the engine and lock the crankshaft in position using tool No. 3242, or equivalent.
  8.  
  9. Remove the timing belt.
  10.  
  11. Remove the crankshaft timing belt sprocket from the crankshaft.
  12.  
  13. Remove the seal with a suitable seal remover.
  14.  
  15. Clean the running and sealing surfaces.
  16.  



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Fig. Removing the seal using the seal remover-2.8L V6 Engine



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Fig. Installing the seal using the seal installer and the crankshaft center bolt-2.8L Engine V6

To install:

  1. Lightly oil the inner lip of the seal.
  2.  
  3. Slide the seal over the installing sleeve tool No. 3202, or equivalent.
  4.  
  5. Press the oil seal flush with seal installer tool No. 3265, or equivalent, and the center crankshaft bolt.
  6.  
  7. Install the timing belt sprocket and tighten the center crankshaft bolt to:
  8.  
  9. Step 1: 148 ft. lbs. (200 Nm)
  10.  
  11. Step 2: 180° ( 1 / 2 turn)
  12.  
  13. Install the timing belt.
  14.  
  15. Install the accessory drive belt.
  16.  
  17. The balance of assembly is in reverse order of removal.
  18.  

 
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