Oil Pump: Inspection
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Inspect components for damage and wear. Measure rotor end play and outer rotor-to-housing clearance. Measure relief valve-to-bore clearance and relief valve spring tension. Replace oil pump assembly if measurements are not within specifications. See OIL PUMP SPECIFICATIONS table.
OIL PUMP SPECIFICATIONS
| Application | In. (mm) | ||
|---|---|---|---|
| Outer Rotor-To-Housing Clearance | .001-.013 (.03-.33) | ||
| Relief Valve Spring Tension (1) | 18.2-20.2 @ 2.49 (8.3-9.2 @ 63.2) | ||
| Relief Valve-To-Bore Clearance | .0015-.0030 (.038-.076) | ||
| Rotor End Play | .004 (.10) Max. | ||
| Shaft-To-Housing Clearance | .0015-.0030 (.038-.076) | ||
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NOTE:
Oil pump is serviced as an assembly only. Replace assembly if measurements are not to specifications. See OIL PUMP SPECIFICATIONS table.