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Oil Pump: Disassembly

  1. REMOVE OIL PUMP O-RING 
    1. Remove the O-ring from the oil pump.
      Fig 1: Identifying Oil Pump Oil-Ring
      G05847960Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. FIX OIL PUMP ASSEMBLY 
    1. Place the oil pump body on the torque converter clutch.
      Fig 2: Identifying Oil Pump Assembly
      G04948805Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. REMOVE CLUTCH DRUM OIL SEAL RING 
    1. Remove the 4 oil seal rings.
      Fig 3: Identifying Clutch Drum Oil Seal Ring
      G04948806Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. REMOVE NO. 1 BRAKE PISTON 
    1. Using a T30 "TORX" wrench, remove the 5 bolts, brake piston return spring sub-assembly and No. 1 brake piston.
    2. Remove the 2 O-rings from the No. 1 brake piston.
      Fig 4: Identifying No. 1 Brake Piston Return Spring Sub-Assembly
      G04948807Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. REMOVE STATOR SHAFT CLUTCH DRUM THRUST WASHER 
    Fig 5: Identifying Stator Shaft Clutch Drum Thrust Washer
    G04948808Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. INSPECT NO. 1 BRAKE PISTON RETURN SPRING SUB-ASSEMBLY  (See INSPECTION  )
  7. REMOVE STATOR SHAFT ASSEMBLY 
    1. Remove the 2 bolts and stator shaft from the oil pump body.
      Fig 6: Locating Stator Shaft Bolts
      G04948809Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  8. REMOVE FRONT OIL PUMP BODY O-RING 
    1. Remove the oil pump body from the torque converter clutch.
    2. Remove the O-ring from the oil pump body.
      Fig 7: Identifying O-ring Of Oil Pump Body
      G04948810Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  9. INSPECT STATOR SHAFT ASSEMBLY  (See INSPECTION  )
  10. INSPECT FRONT OIL PUMP BODY SUB-ASSEMBLY  (See INSPECTION  )
  11. INSPECT CLEARANCE OF OIL PUMP ASSEMBLY  (See INSPECTION  )
  12. REMOVE FRONT OIL PUMP DRIVE GEAR 
    1. Remove the drive gear.
      Fig 8: Identifying Front Oil Pump Drive Gear
      G04948811Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  13. REMOVE FRONT OIL PUMP DRIVEN GEAR 
    1. Remove the driven gear.
      Fig 9: Identifying Front Oil Pump Driven Gear
      G04948812Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  14. REMOVE FRONT OIL PUMP OIL SEAL 
    1. Using a screwdriver, pry out the oil seal.
      NOTE: Do not damage the bushing and oil pump body.
      Fig 10: Prying Out Front Oil Pump Oil Seal
      G04948813Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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