BMW X5 2000-05

Alternator

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Removal & Installation




NOTE
When the battery is disconnected the radio code, on-board computer and clock settings will be lost. The radio code should be obtained before disconnecting the battery or radio. Once the battery has been reconnected, the radio will not function unless the code is keyed in.


NOTE
When the battery is disconnected the radio code, on-board computer and clock settings will be lost. The radio code should be obtained before disconnecting the battery or radio. Once the battery has been reconnected, the radio will not function unless the code is keyed in.

  1. Before servicing the vehicle, refer to the precautions in the beginning of this section.
  2.  
  3. Drain the cooling system.
  4.  
  5. Remove or disconnect the following:

    Negative battery cable
     
    Drive belt
     
    Fan cowling
     
    Alternator bolts
     
    Alternator electrical connectors
     
    Alternator roller by releasing the screw
     
    Alternator
     

  6.  

To install:

  1. Replace the sealing ring for the alternator.
  2.  
  3. Install or connect the following:

    Alternator. Torque the bolts to 31 ft. lbs. (43 Nm).
     
    Alternator roller
     
    Alternator electrical connectors
     
    Fan cowling
     
    Drive belt
     
    Negative battery cable
     

  4.  
  5. Fill the cooling system to the proper level.
  6.  
  7. Start the vehicle and check for leaks, repair if necessary.
  8.  


NOTE
When the battery is disconnected the radio code, on-board computer and clock settings will be lost. The radio code should be obtained before disconnecting the battery or radio. Once the battery has been reconnected, the radio will not function unless the code is keyed in.

3.0L Engine
  1. Read out stored fault codes (if applicable).
  2.  
  3. Switch off ignition.
  4.  
  5. Disconnect negative battery cable.
  6.  
  7. Remove or disconnect the following:

    Suction filter housing
     
    Fan clutch
     
    Alternator drive belt
     
    Power steering pump from mounting (move aside)
     
    Alternator air hose (if equipped)
     
    Electrical connections from alternator
     
    Alternator mounting bolts (versions without idler pulley)
     
    Idler pulley cover and idler pulley bolt (versions with idler pulley)
     
    Alternator
     

  8.  

To install:

  1. To install, reverse removal procedure.
  2.  
  3. If equipped with idler pulley, turn lock of tensioning roller to engage alternator groove.
  4.  
  5. With scan tool, clear fault code memory.
  6.  

  1. Before servicing the vehicle, refer to the precautions section.
  2.  
  3. Read out stored fault codes (if applicable).
  4.  
  5. Switch off ignition.
  6.  
  7. Disconnect negative battery cable.
  8.  
  9. Remove or disconnect the following:

    Suction filter housing
     
    Fan clutch
     
    Alternator drive belt
     
    Power steering pump from mounting (move aside)
     
    Alternator air hose (if equipped)
     
    Electrical connections from alternator
     
    Alternator mounting bolts (versions without idler pulley)
     
    Idler pulley cover and idler pulley bolt (versions with idler pulley)
     
    Alternator
     

  10.  

To install:

  1. To install, reverse removal procedure.
  2.  
  3. If equipped with idler pulley, turn lock of tensioning roller to engage alternator groove.
  4.  
  5. With scan tool, clear fault code memory.
  6.  

4.4L & 4.6L Engines
  1. Switch off ignition.
  2.  
  3. Disconnect negative battery cable.
  4.  
  5. Remove or disconnect the following:

    Alternator drive belt
     
    Fan cowl
     
    Drain cooling system
     
    Alternator lower mounting bolts
     
    Nut on front of alternator (1)
     
    Electrical connections from alternator (2, 3)
     
    Tensioning roller (4)
     
    Alternator upper mounting bolts (5)
     
    Alternator
     

  6.  

To install:

  1. To install, reverse removal procedure, using new sealing ring on alternator.
  2.  


    Click image to see an enlarged view

    Fig. Showing electrical and other components to release in order to remove the alternator (4.4L and 4.6L engines)


  1. Switch off the ignition.
  2.  
  3. Disconnect negative battery cable.
  4.  
  5. Remove or disconnect the following:

    Alternator drive belt
     
    Fan cowl
     
    Drain cooling system
     
    Alternator lower mounting bolts
     
    Nut on front of alternator (1)
     
    Electrical connections from alternator (2, 3)
     
    Tensioning roller (4)
     
    Alternator upper mounting bolts (5)
     
    Alternator
     

  6.  

To install:

  1. To install, reverse removal procedure, using new sealing ring on alternator.

    Click image to see an enlarged view

    Fig. Showing electrical and other components to release in order to remove the alternator (4.4L and 4.6L engines)

  2.  

4.8L Engines
  1. Switch off the ignition.
  2.  
  3. Disconnect negative battery cable.
  4.  
  5. Remove or disconnect the following:

    Alternator drive belt
     
    Fan cowl with the electric fan
     
    Idler pulley
     
    Alternator mounting bolts and pull the alternator forward to reveal the electrical connections.
     
    Electrical connections from alternator
     
    Alternator
     

  6.  
  7. Installation is the reverse order of removal.
  8.  

 
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