Automatic Transaxle ASSY (U151E): Replacement

2004 Toyota Matrix XR, FWD, StandardSECTION Replacement
WARNING: This page is about a different car, the 2004 Lexus ES 330. However, it is still accessible from the selected car via links, so may be relevant.
  1. REMOVE ENGINE ASSEMBLY WITH TRANSAXLE (SEE  REPLACEMENT  ) 
  2. REMOVE FRONT DRIVE SHAFT ASSY RH (SEE  REMOVAL, OVERHAUL & INSTALLATION  ) 
  3. REMOVE FRONT DRIVE SHAFT ASSY LH (SEE  REMOVAL, OVERHAUL & INSTALLATION  ) 
  4. REMOVE TRANSMISSION CONTROL CABLE BRACKET NO. 2 
    1. Remove the bolt and transmission control cable bracket No. 2.
      Fig 1: Removing Transmission Control Cable Bracket No. 2
      G00899958Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. REMOVE WIRE HARNESS CLAMP 
    1. Disconnect the wire harnesses from the clamps.
    2. Remove the 2 bolts and 2 clamps.
      Fig 2: Removing Wire Harness Clamp
      G00899959Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. DISCONNECT WIRE HARNESS 
    1. Remove the bolt and wire harness.
      Fig 3: Removing Wire Harness With Bolt
      G00899960Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  7. REMOVE STARTER ASSY 
    1. Disconnect the connector.
    2. Remove the nut and disconnect the starter wire.
    3. Remove the 2 bolts and starter assy.
      Fig 4: Removing Starter Assy
      G00899961Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  8. DISCONNECT CONNECTORS 
    1. Disconnect the transmission wire connector.
    2. Disconnect the park/neutral position switch connector.
    3. Disconnect the 2 transmission revolution sensor connectors
      Fig 5: Disconnecting Connectors
      G00899962Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  9. REMOVE TRANSMISSION CONTROL CABLE BRACKET NO. 1 
    1. Remove the bolt and oil cooler tube clamp.
    2. Remove the 2 bolts and transmission control cable bracket.
      Fig 6: Removing Transmission Control Cable Bracket No. 1
      G00899963Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  10. REMOVE TRANSMISSION OIL FILLER TUBE SUB-ASSY 
    1. Remove the ATF level gauge.
    2. Remove the bolt and oil filer tube.
    3. Remove the O-ring from the oil filler tube.
      Fig 7: Removing Transmission Oil Filler Tube Sub-Assy
      G00899964Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  11. REMOVE OIL COOLER INLET TUBE NO. 1 
    1. Using SST and spanner, disconnect the oil cooler inlet tube No. 1.

      SST 09023-12700

      Fig 8: Disconnecting Oil Cooler Inlet Tube No. 1
      G00899965Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disconnect the breather hose from the wire harness bracket.
      Fig 9: Disconnecting Breather Hose From Wire Harness Bracket
      G00899966Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  12. REMOVE OIL COOLER OUTLET TUBE NO. 1 
    1. Using SST and spanner, disconnect the oil cooler outlet tube No. 1.

      SST 09023-12700

  13. REMOVE ENGINE MOUNTING BRACKET FR 
    1. Remove the 3 bolts and engine mounting bracket FR.
      Fig 10: Removing 3 Bolts And Engine Mounting Bracket Front
      G00899967Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  14. REMOVE AUTOMATIC TRANSAXLE ASSY 
    1. Remove the 2 bolts and flywheel housing under cover.
      Fig 11: Removing 2 Bolts And Flywheel Housing Under Cover
      G00899968Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Turn the crankshaft to gain access and remove the 6 bolts while holding the crankshaft pulley bolt with a wrench.
      Fig 12: Locating Crankshaft Pulley Bolt For Remove
      G00899969Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Remove the 8 bolts.
    4. Separate and remove the automatic transaxle.
      Fig 13: Removing Automatic Transaxle With Bolts
      G00899970Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  15. REMOVE TORQUE CONVERTER CLUTCH ASSY 
  16. REMOVE TRANSAXLE CASE COVER UPPER 
    1. Remove the 3 bolts and transmission case cover.
      Fig 14: Removing 3 Bolts And Transmission Case Cover
      G00899971Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  17. INSPECT TORQUE CONVERTER CLUTCH ASSY (SEE  INSPECTION  ) 

    SST 09350-32014 (09351-32010, 09351-32020)

  18. INSTALL TRANSAXLE CASE COVER UPPER 
    1. Install the transmission case cover with the 3 bolts.

      Torque: 12 N.m (122 kgf.cm, 9 ft.lbf) 

      Fig 15: Installing Transmission Case Cover With 3 Bolts
      G00899972Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  19. INSTALL TORQUE CONVERTER CLUTCH ASSY 
    1. Install the torque converter clutch to the automatic transaxle.
    2. Using vernier calipers, measure dimension "A" between the transaxle fitting part and the converter fitting part of the drive plate.
      Fig 16: Measuring Dimension Between Transaxle Fitting Part And Converter Fitting Part Of Drive Plate
      G00899973Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Using vernier calipers and a straight edge, measure dimension "B" shown in the illustration and check that "B" is greater than "A" measured in (b).

      Standard: A + 1 mm or more 

      NOTE: Do not add the thickness of the straight edge.
RENDER: 1.0x

NO RELATED

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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.