Disassembly and Assembly

DISASSEMBLY
1. To remove the relief valve, proceed as follows:
2. Remove cotter pin. Drill a 3.175 mm (1/8 inch) hole into the relief valve retainer cap and insert a self-threading sheet metal screw into cap.

Figure 104-Oil Pressure Relief Valve:

3. Clamp screw into a vise and while supporting oil pump body, remove cap by tapping oil pump body using a soft hammer. Discard retainer cap and remove spring and relief valve.
4. Remove oil pump cover screws, and lift off cover.
5. Remove pump rotors.

Figure 105 Oil Pump:

6. Wash all parts in a suitable solvent and inspect carefully for damage or wear.