Oil Pump: Reassembly
Clean, inspect (see specifications ) and oil all parts thoroughly. Install relief valve plunger, spring and new cap. Install outer race and inner rotor and shaft assembly.
NOTE:
Identification mark (dimple) on outer race must face outward and on same side as identification mark on rotor. Rotor and shaft assembly, and outer race are serviced as an assembly and one part cannot be replaced without replacing other part.
Install cover and tighten bolts. Install oil inlet tube on pump. Prime pump by filling either inlet or outlet port with oil and rotate pump shaft.
Oil Pump Specifications
| Application | Clearance |
|---|---|
| Outer Race-to-Housing | .001-.013" |
| Rotor End Play | .004" Max. |
| Shaft-to-Housing | .0015-.0030" |
| Relief Valve-to-Bore | .0015-.0030" |
Relief Valve Spring Specifications
| Engine | Lbs. Pressure | Length |
|---|---|---|
| 302" | 10.6-12.2 | 1.704" |
| 351"W | 18.2-20.2 | 2.490" |
| 351" M, 400" | 20.6-22.6 | 2.490" |