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Section 394 (Cooling Unit): Disassembly

WARNING: This page is about a different car, the 2003 Toyota Sequoia. However, it is still accessible from the selected car via links, so may be relevant.
  1. REMOVE BLOWER MOTOR LINEAR CONTROLLER 

    Remove the 2 screws and blower motor linear controller.

  2. SEPARATE UPPER AND LOWER UNIT CASES 
    Fig 1: Separating Upper & Lower Cases
    G02852697Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the connector clamp of thermistor from upper unit case.
    2. Using a knife, cut off the each packing.
    3. Remove a clip and 6 screws, and grommet.
    4. Separate the upper and lower unit case, then pull out the thermistor from evaporator.
  3. REMOVE EVAPORATOR FROM LOWER UNIT CASE 
    NOTE: At the time of reassembly, please refer to the following item.
    If evaporator is replaced, add compressor oil to compressor.

    Add 40 - 50 cc (1.4 - 1.7 fl.oz.) 

    Compressor oil: ND-OIL 8 or equivalent 

  4. REMOVE EXPANSION VALVE 

    Using a hexagon wrench (5.0 mm, 0.20 in.), remove the 2 bolts and separate the expansion valve, evaporator and tubes.

    Fig 2: Removing Expansion Valve Using Wrench
    G02852698Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    Torque: 5.4 N.m (55 kgf.cm, 48 in.lbf) 

    NOTE: At the time of reassembly, please refer to the following item. Lubricate 4 new O-rings with compressor oil and install them to the tubes and valve.