Section 591 (Rear A/C Unit): Reassembly

2004 Toyota Matrix XR, FWD, StandardSECTION Reassembly
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. ASSEMBLE REAR A/C UNIT 
    Fig 1: Assembling Rear A/C Unit
    G02852721Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    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.
  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.
      Fig 2: Aligning Marking
      G02852722Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Install the servomotor with 3 screws.
    NOTE: The projection on the gear (marking B) shall be positioned vertically.
    Fig 3: Identifying Marking B
    G02852723Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. INSTALL EVAPORATOR 
  4. INSTALL EXPANSION VALVE 
  5. INSTALL WATER VALVE 
  6. INSTALL THERMISTOR 
  7. INSTALL POWER TRANSISTOR 
  8. INSTALL BLOWER MOTOR 
RENDER: 1.0x

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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.