2002 Lexus ES 300FACTORY OEM SERVICE PROCEDURE

Oil Pump Assembly: Replacement

  1. Remove front wheel RH.
  2. Remove front fender apron seal RH.
  3. Remove engine under cover No. 1.
  4. Drain engine oil.
    1. Install a new gasket after draining engine oil.

      Torque  : 45 N.m (459 kgf.cm, 33 ft.lbf)

  5. Remove front suspension upper brace center (w/front suspension brace upper center).
  6. Remove V belt No. 1 (A/C compressor to crankshaft pulley).

    See SPECIFICATIONS & DRIVE BELT ROUTING .

  7. Remove vane pump V belt.

    See SPECIFICATIONS & DRIVE BELT ROUTING .

  8. Remove engine moving control rod.

    See ENGINE .

  9. Remove engine mounting stay No. 2 RH.

    See ENGINE .

  10. Remove generator bracket No. 2.
  11. Remove crankshaft pulley.

    See REMOVAL (ES 300) .

    SST 09213-54015 (91651-60855), 09330-00021, 09950-50013 (09951-05010, 09952-05010, 09953-05010, 09954-05030)

  12. Remove timing belt No. 1 cover.
  13. Remove timing belt No. 2 cover.

    See REMOVAL (ES 300) .

  14. Remove transverse engine mounting bracket.
  15. Remove timing belt guide No. 2.
  16. Remove timing belt.

    See REMOVAL (ES 300) .

  17. Remove exhaust pipe No. 1 support bracket.

    See REMOVAL & INSTALLATION AND DISASSEMBLY & REASSEMBLY .

  18. Remove exhaust pipe assembly front.
  19. Remove exhaust pipe support bracket No. 1.
  20. Separate compressor and magnetic clutch.
    1. Remove the 2 bolts, nut and drive belt adjusting bar bracket.
      Fig 1: Locating Bolts, Nut & Drive Belt For Removal
      G01213430Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the 2 nuts, the generator bracket adjusting bar with wire harness clamp bracket.
      Fig 2: Locating Nuts For Removal
      G01213431Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Disconnect the compressor, magnetic clutch connector and the wire harness clamp.
    4. Remove the 3 bolts, the compressor and magnetic clutch.
    NOTE: Hang up the hoses instead of detaching.
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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.