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 Torque/Data Specifications
1999 Chevrolet Lumina V6-3.8L VIN KSECTION Oil Pump Torque/Data Specifications
| Gear Pocket Depth | 0.461-0.4625 Inch (in) |
| Gear Pocket Diameter | 3.508-3.512 Inch (in) |
| Inner Gear Tip Clearance | 0.006 Inch (in) |
| Outer Gear Diameter Clearance | 0.008-0.015 Inch (in) |
| End Clearance | 0.001 - 0.0035 Inch (in) |
| Valve-to-Bore Clearance | 0.0015-0.003 Inch (in) |
| Length | 1.199-1.200 Inch (in) |
| Diameter | 1.498-1.500 Inch (in) |
| Side Clearance | 0.001-0.003 Inch (in) |
| End Clearance | 0.002-0.005 Inch (in) |
| Valve to Bore Clearance | 0.0015-0.0035 Inch (in) |
RENDER: 1.0x
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.