2007 Lexus SC 430FACTORY OEM SERVICE PROCEDURE

Oil Pump: Disassembly

  1. REMOVE FRONT OIL PUMP BODY O-RING 
    1. Remove the O-ring from the oil pump.
      Fig 1: Identifying O-Ring
      G05290036Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. FIX OIL PUMP ASSEMBLY 
    1. Place the oil pump body on the torque converter clutch.
      Fig 2: Identifying Torque Converter Clutch
      G05290037Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. REMOVE CLUTCH DRUM OIL SEAL RING 
    1. Remove the 3 oil seal rings.
      Fig 3: Identifying Clutch Drum Oil Seal Ring
      G05290038Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. REMOVE STATOR SHAFT ASSEMBLY 
    1. Remove the 14 bolts and stator shaft from the oil pump body.
      Fig 4: Removing Stator Shaft Bolts From Oil Pump Body
      G05290039Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. REMOVE FRONT OIL PUMP BODY O-RING 
    1. Remove the O-ring from the oil pump body.
      Fig 5: Identifying O-Ring
      G05290040Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the oil pump body from the torque converter clutch.
  6. INSPECT FRONT OIL PUMP BODY SUB-ASSEMBLY (See  INSPECTION   ) 
  7. INSPECT STATOR SHAFT ASSEMBLY (See  INSPECTION   ) 
  8. INSPECT CLEARANCE OF OIL PUMP ASSEMBLY (See  INSPECTION   ) 
  9. REMOVE FRONT OIL PUMP DRIVE GEAR 
    1. Remove the drive gear.
      Fig 6: Identifying Front Oil Pump Drive Gear
      G05290041Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  10. REMOVE FRONT OIL PUMP DRIVEN GEAR 
    1. Remove the driven gear.
      Fig 7: Identifying Front Oil Pump Driven Gear
      G05290042Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  11. 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.
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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.

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