Hybrid Transaxle Assembly: Disassembly

Install the engine hanger onto the MG1 side as shown in Fig 1, and lift it up by a chain device.

Engine hanger part No.: 

• 12281-67070, S1228-11781 

Bolt part No.: 

• 91642-81045 
• 91642-81265 2 pieces 

Nut part No.: 

• 90178-10001 
• 90179-12147 2 pieces 

1. Remove the 21 bolts.
   Fig 2: Removing Bolts

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2. Using a screwdriver and a hammer, disconnect the MG1 assembly from the MG2 assembly.
   Fig 3: Disconnecting MG1 Assembly From MG2 Assembly Using Screwdriver & Hammer

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   HINT:

   When separating the MG1 assembly from the MG2 assembly, to prevent the drive sprocket from being removed with the MG1 assembly, push down the chain part with a taped screwdriver tip.

   Fig 4: Separating MG1 Assembly From MG2 Assembly Using Screwdriver

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Remove the counter driven gear assembly from the MG2 assembly.

Fig 5: Removing Counter Driven Gear Assembly From MG2 Assembly

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Remove the differential case assembly from the MG2 assembly.

Fig 6: Removing Differential Case Assembly From MG2 Assembly

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1. Remove the input shaft assembly.
   Fig 9: Removing Input Shaft Assembly

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2. Remove the needle roller bearing and 2 bearing races.
   Fig 10: Removing Needle Roller Bearing & Bearing Races

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HINT:

Remove the counter drive gear by tapping the case with a plastic hammer.

Fig 13: Removing Counter Drive Gear & Shim

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1. Remove the drain plug and its gasket.
2. Remove the 12 bolts.
3. Remove the oil pan and its gasket.
   Fig 14: Removing Oil Pan & Gasket

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Remove the magnet and use it to collect any steel chips.

Carefully examine the chips and particles in the oil pan and on the magnet to identify what type of wear has occurred in the transaxle.

• Steel (magnetic): bearing, gear and plate wear
• Brass (non-magnetic): bushing wear
  Fig 16: Collecting Steel Chips Using Magnet

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1. Remove the bolt and oil strainer.
   Fig 17: Removing Oil Strainer

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2. Remove the O-ring from the oil strainer.
   Fig 18: Removing O-Ring From Oil Strainer

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Set the MG2 assembly and wood blocks.

Fig 19: Placing MG2 Assembly On Wood Blocks

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Remove the 3 bolts and mounting bracket.

Fig 20: Removing Mounting Bracket

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Remove the 2 bolts and the 2 wiring harness connectors.

Fig 21: Removing Wiring Harness Connectors

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Remove the 6 bolts and parking cover.

Fig 23: Removing Parking Cover

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Remove the bolt, detent spring cover and detent spring.

Fig 24: Removing Detent Spring Cover & Detent Spring

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Remove the 6 bolts and motor water jacket cover.

Fig 25: Removing Motor Water Jacket Cover

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1. Remove the 5 bolts and parking shaft cover.
   Fig 26: Removing Parking Shaft Cover

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2. Using a screwdriver, remove the oil seal from the cover.
   Fig 27: Removing Oil Seal From Cover Using Screwdriver

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1. Remove the washer.
   Fig 29: Removing Washer

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2. Using a chisel and a hammer, cut the spacer.
   Fig 30: Cutting Spacer Using Chisel & Hammer

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3. Remove the spacer.
4. Using a pin punch and a hammer, drive out the pin.
   Fig 31: Driving Out Pin Using Pin Punch & Hammer

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5. Remove the parking lock lever No. 3 from the parking lock shaft.

1. Remove the plug.
2. Remove the O-ring from the plug.
   Fig 32: Removing O-Ring From Plug

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3. Remove the 5 bolts and oil pump cover.
   Fig 33: Removing Oil Pump Cover

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4. Remove the O-ring.
   Fig 34: Removing O-Ring

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5. Remove the oil pump driven rotor and drive rotor.
   Fig 35: Removing Oil Pump Driven Rotor & Drive Rotor

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6. Remove the oil pump drive shaft.
   Fig 36: Removing Oil Pump Drive Shaft

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Using SST, drive out the differential side bearing outer race and shim.

SST 09308-00010

Fig 37: Driving Out Differential Side Bearing Outer Race & Shim Using SST

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1. Using SST, drive out the counter driven gear side bearing outer race and shim.

   SST 09308-00010

   Fig 38: Driving Out Counter Driven Gear Side Bearing Outer Race & Shim Using SST

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Overturn the MG2 assembly and place a wood block under it stabilize.
   NOTE: Be careful not to bend the parking lock rod.