Oil Pump: Inspection
WARNING: This page is about a different car, the 1992 Mercury Tracer, 1992 Ford Escort, 1991 Mercury Tracer, and 1991 Ford Escort. However, it is still accessible from the selected car via links, so may be relevant.
- Inspect components for damage. Measure inner-to-outer gear tip clearance. Place straightedge across cover area on pump housing. Measure gear-to-cover clearance between inner and outer gears and straightedge.
- Measure outer gear-to-housing clearance. Check relief valve spring tension. Replace components or pump assembly if not within specifications. See OIL PUMP SPECIFICATIONS table.
OIL PUMP SPECIFICATIONS
| Application | In. (mm) | ||
|---|---|---|---|
| Gear-to-Cover | .0005-.0035 (.013-.089) | ||
| Inner & Outer Gear Tip | .0020-.0070 (.051-.178) | ||
| Outer Gear-to-Housing | .0029-.0063 (.074-.160) | ||
| Relief Valve Spring | N/A | ||
| Tension (1) | 9.3-10.3 @ 1.11 (4.2-4.6 @ 28.2) | ||
| Relief Valve-to-Bore | .0008-.0031 (.020-.079) | ||
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