Blend Door Actuator: Installation

2004 Toyota Matrix XR, FWD, StandardSECTION Installation
WARNING: This page is about a different car, the 2004 Chrysler Pacifica. However, it is still accessible from the selected car via links, so may be relevant.
  1. Position the blend door actuator onto the heater/air conditioner housing. If necessary, rotate the actuator slightly to align the splines on the actuator output shaft with those in the blend air door linkage.
  2. Install and tighten the two screws that secure the blend door actuator to the distribution housing. Tighten the screws to 2 N.m (17 in. lbs.).
  3. Reconnect the HVAC wire harness connector for the blend door actuator to the actuator connector receptacle.
  4. Reinstall the silencer under the driver side end of the instrument panel .
    Fig 1: Disconnecting HVAC Wire Harness Connector From Actuator Connector Receptacle
    G03572004Courtesy of DAIMLERCHRYSLER CORP.
  5. Reconnect the battery negative cable.
  6. Perform the heater-A/C control calibration procedure (Refer to STANDARD PROCEDURE - HEATER-A/C CONTROL CALIBRATIONΒ  ).
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:

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