REMOVE DRIVEN ROTORREMOVE OIL PUMP RELIEF VALVEREMOVE STRAIGHT SCREW PLUG Oil Pump -- Disassembly 1. REMOVE DRIVEN ROTOR 2. REMOVE OIL PUMP RELIEF VALVERemove the plug, gasket, spring and relief valve from the timing gear case. 3. REMOVE STRAIGHT SCREW PLUGRemove the screw plug and gasket.