Oil Pump: Disassembly

Remove the pressure relief valve by remove the threaded retaining cap from the oil pump housing.
CAUTION: Oil pump pressure relief valve must be installed as shown in (Fig 1) or engine damage may occur.

Fig 1: Removing Oil Pressure Relief Valve
Courtesy of DAIMLERCHRYSLER CORP.
Remove spring and relief valve.
Remove oil pump cover screws and lift off cover plate (Fig 2).

Fig 2: Removing Oil Pump
Courtesy of DAIMLERCHRYSLER CORP.
Remove pump rotors.
Wash all parts in a suitable solvent.
Inspect components carefully for damage or wear. (Refer to OIL PUMP )