Lexus RX300, 330 3 2000-06

Removal & Installation

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CAUTION
Refer to the applicable precautions for this system before performing the following operation. Failure to follow the warnings and cautions could result in possible personal injury or death.

  1. Discharge the A/C refrigerant, as outlined earlier in this section.
  2.  
  3. Disconnect the negative battery cable.
  4.  
  5. Remove the v (cooler compressor to crankshaft pulley) belt, as outlined in the Engine Mechanical Section.
  6.  
  7. Separate the cooler refrigerant suction hose, as follows:
    1. Remove the bolt and disconnect the cooler refrigerant suction hose.
    2.  
    3. Remove the O-ring from the cooler refrigerant suction hose.
      NOTE
      Seal the opening of the disconnected parts using vinyl tape to prevent moisture and foreign matter from entering the lines and ports while they are disconnected.



      Click image to see an enlarged view

      Fig. Disconnect the suction hose

    4.  

  8.  
  9. Separate the cooler refrigerant discharge hose, as follows:
    1. Remove the nut and disconnect the cooler refrigerant discharge hose.
    2.  
    3. Remove the O-ring from the cooler refrigerant discharge hose,
      NOTE
      Seal the opening of the disconnected parts using vinyl tape to prevent moisture and foreign matter from entering the lines and ports while they are disconnected.



      Click image to see an enlarged view

      Fig. Disconnect the discharge hose

    4.  

  10.  
  11. Remove engine under cover.
  12.  
  13. Remove compressor and magnetic clutch assembly, as follows:
    1. Disconnect the connector and clamp.
    2.  
    3. Remove the 2 bolts, nut and cooler compressor bracket.
    4.  
    5. Remove the 3 bolts and compressor and magnetic clutch assembly.

      Click image to see an enlarged view

      Fig. Remove the 2 bolts, nut and cooler compressor bracket

    6.  

  14.  
  15. Check the compressor oil, as follows:
    1. When replacing the compressor and magnetic clutch with new one, after gradually removing the refrigerant gas from the service valve, drain the following amount of oil from the ne