Automatic Transmission Unit: Removal

2004 Toyota Matrix XR, FWD, StandardSECTION Removal
WARNING: This page is about a different car, the 2004 Lexus IS 300 and 2003 Lexus IS 300. However, it is still accessible from the selected car via links, so may be relevant.
  1. REMOVE LEVEL GAUGE 
  2. REMOVE FILLER PIPE 

    Remove the bolt and filler pipe with the O-ring.

    HINT:

    At the time of installation, please refer to the following item.

    Replace the used O-ring with a new one.

  3. REMOVE AIR CLEANER, MAF METER AND INTAKE AIR CONNECTOR PIPE ASSEMBLY 
  4. REMOVE EXHAUST MANIFOLD WITH TWC 
    1. Disconnect the 3 connectors.
    2. Remove the 8 nuts, 2 gaskets and exhaust manifold with the TWC.

      Torque: 39 N.m (400 kgf.cm, 29 ft.lbf) 

    HINT:

    At the time of installation, please refer to the following item.

    Replace the used gaskets with new ones.

  5. RAISE VEHICLE 
    NOTE: Make sure that the vehicle is securely supported.
  6. REMOVE NO. 1 AND NO. 2 ENGINE UNDER COVERS 
  7. REMOVE LH FRONT FLOOR CENTER COVER 
  8. REMOVE NO. 1 REAR FLOOR BOARD 
  9. DRAIN ENGINE COOLANT 
  10. REMOVE UPPER RADIATOR HOSE FROM RADIATOR 
  11. REMOVE FRONT AND CENTER EXHAUST PIPES (See  EXHAUST SYSTEM  ) 
    Fig 1: Removing Nuts
    G01314576Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  12. REMOVE SHIFT CONTROL ROD 
    1. Remove the nut and washer, and disconnect the rod.

      Torque: 13 N.m (130 kgf.cm, 9 ft.lbf) 

    2. Remove the nut and shift control rod.

      Torque: 13 N.m (130 kgf.cm, 9 ft.lbf) 

  13. REMOVE PROPELLER SHAFT (See  REMOVAL  ) 
    Fig 2: Removing Nut And Washer
    G01314577Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  14. DISCONNECT OIL COOLER PIPE 
    1. Remove the 3 bolts and 3 clamps.

      Torque: 5.4 N.m (55 kgf.cm, 48 in.lbf) 

      Fig 3: Removing Bolts And Clamps
      G01314578Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Loosen the 2 union nuts from the transmission.

      Torque: 44 N.m (450 kgf.cm, 33 ft.lbf) 

      NOTE: Be careful not to damage the oil cooler pipe.
    3. Disconnect the 2 oil cooler pipes from the transmission.
    Fig 4: Loosening Union Nuts From Transmission
    G01314579Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  15. REMOVE TORQUE CONVERTER CLUTCH MOUNTING BOLT 
    1. Remove the hole plug.
    2. Turn the crankshaft to gain access to each bolt.
    3. Hold the crankshaft pulley nut with a wrench and remove the 6 bolts.

      Torque: 48 N.m (490 kgf.cm, 35 ft.lbf) 

    HINT:

    At the time of installation, please refer to the following item.

    First install black colored bolt and then the 5 other bolts.

    Fig 5: Removing Nut
    G01314580Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  16. SUPPORT TRANSMISSION WITH JACK 
    Fig 6: Supporting Transmission With Jack
    G01314581Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  17. REMOVE 4 ENGINE REAR SUPPORT MEMBER SET BOLTS 

    Torque: 25 N.m (260 kgf.cm, 19 ft.lbf) 

    Fig 7: Removing Engine Rear Support Member Set Bolts
    G01314582Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  18. DISCONNECT CONNECTORS AND WIRE HARNESS 
    1. Tilt down the transmission.
      NOTE: Take care so that the cooling fan does not come in contact with the fan shroud.
    2. Disconnect the following connectors:
      1. O/D direct clutch speed sensor connector
      2. Vehicle speed sensor connector
      3. Park/neutral position switch connector
      4. Solenoid connector
      Fig 8: Disconnecting O/D Direct Clutch Speed Sensor Connector
      G01314583Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Disconnect the wire harness from the clamps on the transmission.
  19. REMOVE STARTER 
    1. Disconnect the connector and wire from the starter.
    2. Remove the 2 bolts and starter.

      Torque: 37 N.m (380 kgf.cm, 27 ft.lbf) 

  20. REMOVE TRANSMISSION 

    Remove the 9 bolts, ground cable and transmission.

    Torque: 

    17 mm head: 72 N.m (730 kgf.cm, 53 ft.lbf) 

    14 mm head: 37 N.m (380 kgf.cm, 27 ft.lbf) 

    HINT:

    At the time of installation, please refer to the following item.

    Lift the front side of the engine.

    Fig 9: Removing Bolts And Starter
    G01314584Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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.