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.
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HOMESERVICE MANUALSFORD1999EXPLORER 4WD V6-4.0L VIN EREPAIR AND DIAGNOSISSPECIFICATIONSMECHANICAL SPECIFICATIONSENGINESYSTEM SPECIFICATIONSOIL PUMP
1999 Ford Explorer 4WD V6-4.0L VIN E
Oil Pump
1999 Ford Explorer 4WD V6-4.0L VIN ESECTION Oil Pump
| Oil Pump Bolts | 13 - 15 Foot Pound-Force (ft.lb) |
| Oil Pump Drive Assembly | 13 - 15 Foot Pound-Force (ft.lb) |
| Relief valve spring pressure | 45.100 - 48.730 at 1.39 Pound Force At Inch (lbf @ in) |
| Driveshaft To Housing Clearance | 0.0007 - 0.0012 Inch (in) |
| Relief Valve To Housing Clearance | 0.0007 - 0.0012 Inch (in) |
| Rotor Assembly End Clearance Max. | 0.0006 - 0.0017 Inch (in) |
| Outer Race To End Clearance | 0.0002 - 0.0004 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.