Liftgate Drive Unit Motor: 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. Carefully line-up the motor with the clutch mounted gear (Fig 1) and slide the motor assembly on the clutch. Be certain the gears are properly meshed.
  2. Install the three T25 motor retaining screws. Torque the screws to 50 in. lbs.
  3. Connect the wire harness on the motor assembly.
  4. Install the power liftgate drive unit assembly on the vehicle. Refer to INSTALLATIONΒ .
    Fig 1: Installing Power Liftgate Motor
    G03572376Courtesy of DAIMLERCHRYSLER CORP.
  5. Install the left rear D-pillar trim panel on the vehicle. Refer to D-PILLAR TRIM ..
  6. Connect the negative battery cable.
  7. Using an appropriate scan tool, check any erase any power liftgate control module diagnostic trouble codes related to the drive unit assembly.
  8. Verify power liftgate system operation. Cycle the power liftgate through one complete open and close cycle, this will allow the power liftgate control module to relearn its cycle with the new components.
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.