Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Oil Pump: Inspection
Measure inner-to-outer rotor clearance. Measure housing-to-rotor axial clearance. Measure housing-to-outer rotor clearance. Replace components if not within specification. See OIL PUMP SPECIFICATIONS table. Inspect both rotors and pump housing for scoring or other damage and replace if necessary.
| Application | In. (mm) | |
|---|---|---|
| Inner Rotor-To-Outer Rotor Clearance | ||
| Standard (New) | 0.001-0.006 (0.02-0.16) | |
| Service Limit | 0.008 (0.20) | |
| Housing-To-Rotor Axial Clearance | ||
| Standard (New) | 0.001-0.003 (0.02-0.07) | |
| Service Limit | 0.005 (0.12) | |
| Housing-To-Outer Rotor Clearance | ||
| Standard (New) | 0.004-0.007 (0.10-0.18) | |
| Service Limit | 0.008 (0.20) | |
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.