Oil Pump: Inspection
Check oil pump as shown. See Fig 1-16. Check outside diameter and width of gears. If not within specifications, replace components as necessary. See OIL PUMP SPECIFICATIONS table in this article.
OIL PUMP SPECIFICATIONS
| Application | In. (mm) | |
|---|---|---|
| End Clearance | .0025-.0065 (.063-.165) | |
| Gear Lash | .0004-.0065 (.010-.165) | |
| Gear | ||
| Length | 1.5075-1.5095 (38.29-38.34) | |
| Diameter | 1.529-1.531 (38.84-39.89) | |
| Oil Pump Body | ||
| Pocket Depth | 1.500-1.509 (38.10-38.33) | |
| Pocket Diameter | 1.534-1.539 (38.96-39.09) | |
| Side Clearance | .0015-.0045 (.038-.114) | |
| Regulator Valve-to-Bore Clearance | .0025-.0050 (.063-.13) | |