Oil Pump Reassembly

Transmission. Lexus Gs430, Gs300. Uzs190 Grs190
A761E Automatic Transmission. Lexus Gs430, Gs300. Uzs190 Grs190

  1. INSTALL FRONT OIL PUMP OIL SEAL

  2. FIX FRONT OIL PUMP BODY SUB-ASSEMBLY

  3. INSTALL FRONT OIL PUMP DRIVEN GEAR

  4. INSTALL FRONT OIL PUMP DRIVE GEAR

  5. INSTALL FRONT OIL PUMP BODY O-RING

  6. INSTALL STATOR SHAFT ASSEMBLY

  7. INSTALL CLUTCH DRUM OIL SEAL RING

  8. INSPECT OIL PUMP DRIVE GEAR ROTATION

  9. INSTALL FRONT OIL PUMP BODY O-RING

Oil Pump -- Reassembly



1. INSTALL FRONT OIL PUMP OIL SEAL


    Lexus Gs430, Gs300. Uzs190 Grs190.A761E Automatic Transmission.Electronic Controlled Automatic Transmission System.Oil Pump  Reassembly
  1. Using SST and a hammer, install a new oil seal.

    HINT:
    The oil seal end should be flush with the outer edge of the pump body.
    SST
    09350-30020(09351-32140)
  1. Coat the oil seal lip with MP grease.



2. FIX FRONT OIL PUMP BODY SUB-ASSEMBLY
  1. Place the oil pump body on the torque converter clutch.



3. INSTALL FRONT OIL PUMP DRIVEN GEAR


    Lexus Gs430, Gs300. Uzs190 Grs190
  1. Coat the driven gear with ATF.

  1. Install the driven gear to the oil pump body.



4. INSTALL FRONT OIL PUMP DRIVE GEAR


    Lexus Gs430, Gs300. Uzs190 Grs190
  1. Coat the drive gear with ATF.

  1. Install the drive gear to the oil pump body.



5. INSTALL FRONT OIL PUMP BODY O-RING


    Lexus Gs430, Gs300. Uzs190 Grs190
  1. Install a new O-ring to the oil pump body.



6. INSTALL STATOR SHAFT ASSEMBLY


    Lexus Gs430, Gs300. Uzs190 Grs190
  1. Align the stator shaft with each bolt hole.

  1. Install the 14 bolts.

    Torque:
    11 N*m{110 kgf*cm, 8 ft.*lbf}


7. INSTALL CLUTCH DRUM OIL SEAL RING


    Lexus Gs430, Gs300. Uzs190 Grs190.A761E Automatic Transmission.Electronic Controlled Automatic Transmission System.Oil Pump  Reassembly
  1. Coat 3 new oil seal rings with ATF.

  1. Squeeze the ends of the 3 oil seal rings so that the gap distance becomes 8 mm or less, and then install them to the stator shaft groove.

    NOTICE:
    Do not expand the ring ends excessively.
    HINT:
    After installing the oil seal rings, check that they rotate smoothly.


8. INSPECT OIL PUMP DRIVE GEAR ROTATION


    Lexus Gs430, Gs300. Uzs190 Grs190
  1. Make sure that the drive gear rotates smoothly.

  1. Remove the oil pump assembly from the torque converter.



9. INSTALL FRONT OIL PUMP BODY O-RING


    Lexus Gs430, Gs300. Uzs190 Grs190
  1. Install a new O-ring to the oil pump assembly.