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Transaxle Disassembly

    NOTE: Do not bend pull or bend the high voltage cable at motor generator No. 1 assembly.
  1. Remove engine and transaxle from vehicle as an assembly. See appropriate REMOVAL & INSTALLATION article. Remove drain plug and drain transaxle fluid. Remove 8 bolts and separate transaxle from the engine. See Fig 1.
    2. NOTE: Place a wooden block underneath transaxle to stabilize it during the following procedure.
  2. Install engine hanger with chain on motor generator No. 1 assembly side of transaxle. Lift transaxle up and install a wooden block underneath transaxle to stabilize it. See Fig 2.
  3. Remove 21 bolts. See Fig 3. Using a screwdriver and a hammer, separate motor generator No. 1 assembly from motor generator No. 2 assembly. See Fig 4.
  4. When separating motor generator No. 1 assembly from motor generator No. 2 assembly, to prevent drive sprocket from being removed with motor generator No. 1 assembly, push down chain with a taped screwdriver tip. See Fig 5.
  5. Remove counter driven gear assembly from motor generator No. 2 assembly. Remove differential case assembly from motor generator No. 2 assembly. See Fig 6 and Fig 20 . Remove 2 race and needle roller bearing. See Fig 7. Remove drive sprocket sub-assembly and chain.
  6. Remove input shaft assembly. See Fig 8. Remove needle roller bearing and 2 bearing races. Remove planetary ring gear. Remove ring gear flange and shim. See Fig 9. Remove counter drive gear and shim by tapping the case with a plastic hammer. See Fig 10.
  7. Remove 12 bolts and oil pan with gasket. See Fig 21. Remove magnet from oil pan. Check for steel (magnetic) bearing and gear wear material in oil pan. Also check for brass (non-magnetic) bushing wear. Note findings for reference.
  8. Remove bolt and oil stainer. See Fig 11. Remove "O" ring from oil strainer. Set motor generator No. 2 assembly on wooden blocks. See Fig 12. Remove 3 bolts and mounting bracket. Remove 2 bolts and 2 wiring harness connectors. Remove 2 water jacket unions from motor generator No. 2 assembly. See Fig 21.
  9. Remove 6 bolts and parking cover. Remove bolt, detent spring cover and detent spring. Remove 6 bolts and motor water jacket cover. See Fig 21. Remove 5 bolts and parking shaft cover. Using a screwdriver, remove oil seal from cover.
    Fig 1: Separating Transaxle From Engine
    G00182377Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Fig 2: Installing Engine Hanger
    G00182378Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Fig 3: Removing Motor Generator No. 1 Assembly Bolts
    G00182379Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Fig 4: Separating Motor Generator No. 1 Assembly From Motor Generator No. 2 Assembly
    G00182380Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Fig 5: Pushing Down On Chain With Screwdriver Tip
    G00182381Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Fig 6: Removing Counter Driven Gear Assembly From Motor Generator No. 2 Assembly
    G00182382Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Fig 7: Removing 2 Race & Needle Roller Bearing
    G00182383Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Fig 8: Removing Input Shaft Assembly
    G00182384Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Fig 9: Removing Ring Gear Flange & Shim
    G00182385Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Fig 10: Removing Counter Drive Gear & Shim
    G00182386Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Fig 11: Removing Oil Strainer
    G00182387Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Fig 12: Placing Motor Generator No. 2 Assembly On Wooden Blocks
    G00182388Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  10. Remove parking lock shaft assembly. See Fig 21. Remove washer from parking lock shaft. Using a chisel and a hammer, cut and remove spacer. Using a pin punch and a hammer, drive out pin. Remove parking lock lever No. 3 from parking lock shaft.
  11. Remove plug from oil pump cover. See Fig 13. Remove "O" ring from plug. Remove 5 bolts and oil pump cover. Remove "O" ring from motor generator No. 2 assembly. Mark drive and driven rotor for reassembly reference. Remove drive and driven rotor from motor generator No. 2 assembly. Remove oil pump drive shaft. See Fig 21.
  12. Using appropriate puller, remove differential side bearing outer race and shim. Using appropriate puller, remove counter driven gear side bearing outer race and shim. See Fig 20.
  13. Turn motor generator No. 2 assembly over and place on wooden blocks to stabilize unit. See Fig 14. Do not bend the parking lock rod. Using a screwdriver, pry out left side differential oil seal. Remove 2 screw plugs using a hexagon wrench. Remove 2 filler plugs and gaskets. See Fig 15.
  14. Remove breather plug. Place wooden blocks under motor generator No. 1 assembly to stabilize unit. See Fig 16. Remove 4 bolts and power cable cover. See Fig 20. Remove 6 bolts and high voltage cable. See Fig 17. Remove bolt and wiring harness connector.
  15. Remove 2 water jacket unions from motor generator No. 1 assembly. Remove housing tube. See Fig 20. Using appropriate puller, remove input shaft oil seal. Using a screwdriver, remove right side differential oil seal. Turn motor generator No. 1 assembly upside down.
  16. Remove bolt and lock clamp. See Fig 18. Remove parking lock pawl shaft and parking lock pawl. Remove 2 bolts, sleeve bracket, torsion spring and parking lock sleeve. See Fig 20.
  17. Remove cam guide sleeve from sleeve bracket. Using appropriate puller, remove counter driven gear side bearing outer race (right side). Using appropriate puller, remove differential side bearing outer race (right side). Remove screw plug from motor generator No. 1 assembly using hexagon wrench. Remove drain plug and gasket (if necessary). See Fig 19.
    Fig 13: Removing Oil Pump Cover Plug
    G00182389Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Fig 14: Repositioning Motor Generator No. 2 On Wooden Blocks
    G00182391Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Fig 15: Removing Filler Plugs & Screw Plugs
    G00182390Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Fig 16: Placing Wooden Blocks Under Motor Generator No. 1 Assembly
    G00182392Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Fig 17: Removing High Voltage Cable Bolts
    G00200109Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Fig 18: Removing Lock Clamp Bolt
    G00200110Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Fig 19: Removing Drain Plug & Screw Plug From Motor Generator No. 1 Assembly
    G00200111Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Fig 20: Exploded View Of Motor Generator No. 1 Assembly Components
    G00200112Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Fig 21: Exploded View Of Motor Generator No. 2 Assembly Components
    G00200113Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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