Cooling Unit: Disassembly

2004 Toyota Matrix XR, FWD, StandardSECTION Disassembly
WARNING: This page is about a different car, the 2002 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 
    1. Disconnect the connector clamp of thermistor from upper unit case. See Fig 1.
    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. CAUTION: 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 
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.