BMW X3 2005

Rear Main Seal

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Removal & Installation



The rear main bearing oil seal can be replaced after the transmission and flywheel has been removed from the engine.

  1. Before servicing the vehicle, refer to the Precautions section.
  2.  
  3. Drain the transmission fluid.
  4.  
  5. Remove or disconnect the following:

    Negative battery cable
     
    Transmission
     
    Flywheel assembly
     
    Oil seal, using a suitable seal removal tool
     

  6.  

To install:

  1. Coat the sealing lips of the new seal with oil.
  2.  
  3. Install or connect the following:

    New seal into the end cover housing with a suitable seal installation tool
     
    Flywheel
     
    Transmission
     
    Negative battery cable
     

  4.  
  5. Fill the transmission with new fluid.
  6.  
  7. Start the engine and check that oil pressure is present; if the oil pressure lamp does not extinguish within 5-7 seconds of starting the engine, turn the engine OFF .
  8.  
  9. Check and top off all fluid levels.
  10.  

 
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