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HOMESERVICE MANUALSTOYOTA2004MATRIX XR, FWD, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 357 (HVAC - GENERAL SERVICING)REAR A/C UNITDISASSEMBLY
2004 Toyota Matrix XR, FWD, Standard

Rear A/C 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  .
  2. Remove power transistor  .
  3. Remove thermistor  .
  4. Remove water valve  .
    1. Remove the packing.
    2. Remove the 3 screws and 2 brackets. See Fig 1.
      Fig 1: Locating Water Valve Bracket Screws
      G01127828Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Grip the claws of the hose clips and slide the hose clips along the hoses. See Fig 2.
    4. Disconnect the water hoses and pipes.
      Fig 2: Locating Water Valve Hose Clips
      G01127829Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    5. Remove the 2 screws and 2 clamps. See Fig 3.
    6. Remove the 3 screws and water valve.
  5. Remove drain hose  .
    Fig 3: Locating Water Valve & Clamp Screws
    G01127830Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. Remove expansion valve  :
    1. Remove the 4 screws and 2 brackets. See Fig 4.
      2. NOTE:

      At the time of installation, please refer to the following item. Do not refuse the packing.

    2. Pry out the packings.
      3. CAUTION: Cap the open fittings immediately to keep moisture or dirt out of the system.
RENDER: 1.0x

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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.