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Compressor And Magnetic Clutch: Installation

WARNING: This page is about a different car, the 2008 Lexus LS 600hL. However, it is still accessible from the selected car via links, so may be relevant.
  1. ADJUST COMPRESSOR OIL 
    1. When replacing the compressor and magnetic clutch with a new one, gradually discharge the refrigerant gas from the service valve, and drain the following amount of oil from the new compressor and magnetic clutch before installation.
      Fig 1: Identifying Motor Compressor Stud Bolts, Nuts And Connector
      G05774585Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard: (Oil capacity inside the new compressor and magnetic clutch: 130 +15 cc (4.6 + 0.51 fl.oz.)) -(Remaining oil amount in the removed compressor and magnetic clutch) = (Oil amount to be removed from the new compressor when replacing). 

      NOTE:
      • When checking the compressor oil level, observe the A/C system's precautions.
      • If a new compressor and magnetic clutch is installed without removing some oil remaining in the pipes of the vehicle, the oil amount will be too large. This prevents heat exchange in the refrigerant cycle and causes refrigerant failure.
      • If the volume of oil remaining in the removed compressor and magnetic clutch is too small, check for oil leakage.
      • Be sure to use ND-OIL 11 or equivalent for compressor oil.
  2. INSTALL HEATER WIRE 
  3. INSTALL WITH MOTOR COMPRESSOR ASSEMBLY 
    1. Install the compressor with the 2 stud bolts

      Torque: 10 N*m (102 kgf*cm, 7 ft.*lbf) 

    2. Install the 2 bolts and 2 nuts.

      Torque: 24.5 N*m (250 kgf*cm, 18 ft.*lbf) 

      NOTE: Tighten the nuts and bolts in the order shown in the illustration to install the cooler compressor.
    3. Connect the connector
      Fig 2: Identifying Motor Compressor Stud Bolts, Nuts And Connector
      G05774585Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. INSTALL ENGINE AND TRANSMISSION 
    1. Install the engine and transmission (see INSTALLATION )
  5. ADD COMPRESSOR OIL  (See REPLACEMENT  )
  6. CHARGE REFRIGERANT  (See REPLACEMENT  )
  7. WARM UP ENGINE  (See REPLACEMENT  )
  8. CHECK FOR REFRIGERANT GAS LEAK  (See REPLACEMENT  )
  9. PERFORM INITIALIZATION 
    1. Perform initialization (see INITIALIZATION ).
      NOTE: Certain systems need to be initialized after disconnecting and reconnecting the cable from the negative (-) battery terminal.
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