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

Rear A/C Unit: Reassembly

2004 Toyota Matrix XR, FWD, StandardSECTION Reassembly
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. Assemble rear A/C unit  :
    1. Install the insulator and heater radiator.
    2. Install the shaft and sliding door.
    3. Assemble the A/C unit and install the 10 screws.
    4. Install the blower case, clamp and 2 screws.
    Fig 1: Installing Rear A/C Unit
    G01127838Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. Install air outlet servomotor  :
    1. Align the marking A on the grid part of the case with the side of the sliding door rack B. See Fig 2.
      Fig 2: Locating Case & Slide Alignment Marks
      G01127839Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Install the servomotor with 3 screws.

    HINT:

    The projection on the gear (marking B) shall be positioned vertically. See Fig 3.

  3. Install evaporator  .
  4. Install expansion valve  .
  5. Install water valve  .
  6. Install thermistor  .
  7. Install power transistor  .
  8. Install blower motor  .
    Fig 3: Positioning Projection Gear
    G01127840Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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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.