Oil Pump: Inspection
WARNING: This page is about a different car, the 2002 Mazda B3000 and 2001 Mazda B3000. However, it is still accessible from the selected car via links, so may be relevant.
Inspect components for damage. Measure rotor end clearance, drive shaft-to-housing clearance and idler gear-to-driver gear clearance. Check clearance between pressure relief valve and bore. Measure relief valve tension. Replace oil pump assembly if measurements are not within specifications. See OIL PUMP SPECIFICATIONS table.
OIL PUMP SPECIFICATIONS
| Application | In. (mm) | ||
|---|---|---|---|
| Drive Shaft-To-Housing Clearance | .0005-.0019 (.013-.048) | ||
| Gear Backlash | .008-.012 (.20-.31) | ||
| Gear Height Clearance | .0005-.0055 (.013-.069) | ||
| Idler Shaft-To-Idler Gear | .0005-.0017 (.013-.043) | ||
| Idler Gear-To-Driver Gear Radial Clearance | .002-.006 (.050-.125) | ||
| Relief Valve Spring Tension | (1) | ||
| Relief Valve-To-Bore Clearance | .0017-.0029 (.043-.073) | ||
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