Oil Pump: Reassembly

2004 Toyota Matrix XR, FWD, StandardSECTION Reassembly
WARNING: This page is about a different car, the 2004 Lexus IS 300. However, it is still accessible from the selected car via links, so may be relevant.
  1. INSTALL DRIVE AND DRIVEN ROTORS 
    1. Place the drive and driven rotors into oil pump body with the mark facing upward.
      Fig 1: Placing Drive And Driven Rotors Into Oil Pump Body With Mark Facing Upward
      G00890145Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Install the pump body cover with the 10 screws.
      1. Torque: 10 N.m (105 Kgf.cm, 8 ft.lbf) 
      Fig 2: Installing Pump Body Cover
      G00890146Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. INSTALL RELIEF VALVE 
    1. Carefully mount the pump body in a soft jaw vise.
      NOTE: Be careful not to damage the pump body.
    2. Insert the relief valve and compression spring into the oil pump body hole.
      Fig 3: Inserting Relief Valve And Compression Spring
      G00890147Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Install the plug with a new gasket.
      1. Torque: 49 N.m (500 Kgf.cm, 36 ft.lbf) 
RENDER: 1.0x

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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.