LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2008 >> IS 350 >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transaxle >> Oil Pump >> Reassembly
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Oil Pump: Reassembly

  1. INSTALL FRONT OIL PUMP OIL SEAL 
    1. Using SST and a hammer, install a new oil seal.

      SST 09350-30020(09351-32140) 

      HINT:

      The oil seal end should be flush with the outer edge of the pump body.

    2. 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.
      Fig 1: Installing Front Oil Pump Oil Seal
      G05295061Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. INSTALL FRONT OIL PUMP DRIVEN GEAR 
    1. Coat the driven gear with ATF.
    2. Install the driven gear to the oil pump body.
      Fig 2: Identifying Front Oil Pump Driven Gear
      G05295053Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. INSTALL FRONT OIL PUMP DRIVE GEAR 
    1. Coat the drive gear with ATF.
    2. Install the drive gear to the oil pump body.
      Fig 3: Identifying Front Oil Pump Drive Gear
      G05295052Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. INSTALL FRONT OIL PUMP BODY O-RING 
    1. Install a new O-ring to the oil pump body.
      Fig 4: Identifying Front Oil Pump Body O-Ring
      G05295051Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. INSTALL STATOR SHAFT ASSEMBLY 
    1. Align the stator shaft with each bolt hole.
    2. Install the 14 hexagon bolts.

      Torque: 11 N*m (112 kgf*cm, 8 ft.*lbf) 

      Fig 5: Installing Stator Shaft Assembly Bolts
      G05295050Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  7. INSTALL CLUTCH DRUM OIL SEAL RING 
    1. Coat 3 new oil seal rings with ATF.
    2. 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.
      NOTE: Do not expand the ring ends excessively.

      HINT:

      After installing the oil seal rings, check that they rotate smoothly.

      Fig 6: Identifying Oil Seal Rings
      G05295049Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  8. INSPECT OIL PUMP DRIVE GEAR ROTATION  (See INSPECTION  )
  9. INSTALL FRONT OIL PUMP BODY O-RING 
    1. Install a new O-ring to the oil pump assembly.
      Fig 7: Identifying Oil Pump Assembly O-Ring
      G05295047Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002