BMW X3 2005

Removal & Installation

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  1. Before servicing the vehicle, refer to the Precautions section.
  2.  
  3. Remove the alternator drive belt.
  4.  
  5. Drain the cooling system. Drain plug is located on exhaust side of block, next to cylinder number 2.
  6.  
  7. Remove the water pump pulley.

    Click image to see an enlarged view

    Fig. Showing water pump bolts-3.0L engine

  8.  
  9. Remove the 4 water pump retaining bolts. Use 2 M6 bolts in holes next to mounting bolt holes and screw in until water pump releases from timing cover.
  10.  

To install:

  1. When installing, use a new O-ring.
  2.  
  3. Tighten mounting bolts as follows:
    1. M6 bolts: 88 inch lbs. (10 Nm).
    2.  
    3. M7 bolts: 132 inch lbs. (15 Nm).
    4.  
    5. M8 bolts: 16 ft. lbs. (22 Nm).
    6.  

  4.  
  5. Install water pump pulley.
  6.  
  7. Refill cooling system.
  8.  
  9. Install the alternator drive belt.
  10.  
  11. Start the vehicle, check for leaks and repair as necessary.
  12.  

 
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