Oil Pump: Inspection
- Inspect components for damage. Install gears in oil pump housing. Place straightedge across oil pump housing surface.
- Using feeler gauge, measure gear side clearance. Replace components if clearance exceeds specification. See OIL PUMP SPECIFICATIONS table.
- Using feeler gauge, measure side clearance between outside edge of outer gear and oil pump housing. Replace components if clearance exceeds specification. See OIL PUMP SPECIFICATIONS table.
- Assemble gears in oil pump housing. Using feeler gauge, measure clearance between tip of inner gear and tip of outer gear. Replace components if clearance exceeds specification. See OIL PUMP SPECIFICATIONS table.
OIL PUMP SPECIFICATIONS
| Application | In. (mm) | |
|---|---|---|
| Gear Side Clearance | ||
| Standard | .001-.004 (.03-.10) | |
| Wear Limit | .006 (.15) | |
| Outer Gear-To-Oil Pump Housing Clearance | ||
| Standard | .004-.009 (.10-.24) | |
| Wear Limit | .014 (.35) | |
| Gear Tip Clearance | ||
| Standard | .004-.007 (.10-.18) | |
| Wear Limit | .008 (.20) | |