Oil Pump: Disassembly

1. REMOVE RELIEF VALVE 
   1. Using snap ring pliers, remove the snap ring.
   2. Remove the retainer, the spring and the relief valve.
      Fig 1: Removing Relief Valve

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. REMOVE DRIVE AND DRIVEN ROTORS 

Remove the 10 screws, the oil pump body cover, the drive and driven rotors.

Fig 2: Removing Drive & Driven Rotors

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002