Section 377 (Charging System - Generators & Regulators - 5VZ-FE): Generator: Replacement

2004 Toyota Matrix XR, FWD, StandardSECTION Replacement
WARNING: This page is about a different car, the 2002 Toyota Tundra. However, it is still accessible from the selected car via links, so may be relevant.
  1. Replace Front Bearing 
    1. Remove the 4 screws and bearing retainer.
      Fig 1: Locating Bearing Retainer Screws For Removal
      G01092064Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Using SST and a press, press out the bearing.

      SST 09950-60010 (09951-00260, 09952-06010)

      Fig 2: Using SST Press Out Bearing
      G01092065Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Using SST and a press, press in a new bearing.

      SST 09950-60010 (09951-00520)

    4. Install the bearing retainer with the 4 screws.
      1. Torque: 
      2. 3.0 N.m (31 kgf.cm, 27 in.lbf) 
    Fig 3: Using SST Press In New Bearing
    G01092066Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. Replace Rear Bearing 
    1. Using SST, remove the bearing cover (outside) and bearing.

      SST 09820-00021

      NOTE: Be careful not to damage the fan.
    2. Remove the bearing cover (inside).
      Fig 4: Removing Rear Cover (Outside) & Bearing
      G01092067Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Place the bearing cover (inside) on the rotor.
      Fig 5: Placing Bearing Cover (Inside) On Rotor
      G01092068Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Using SST and a press, press in a new bearing.

      SST 09820-00031

      Fig 6: Using SST Press In New Bearing
      G01092069Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    5. Using SST, push in the bearing cover (outside). SST 09285-76010
    Fig 7: Push In Bearing Cover (Outside)
    G01092070Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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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.