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 MANUALSCHEVROLET1996LUMINA APV V6-3.4L VIN EREPAIR AND DIAGNOSISSPECIFICATIONSMECHANICAL SPECIFICATIONSENGINEOIL PUMP, ENGINE
1996 Chevrolet Lumina APV V6-3.4L VIN E
Oil Pump, Engine
1996 Chevrolet Lumina APV V6-3.4L VIN ESECTION Oil Pump, Engine
Engine Liter/CID 3.4L/V6-209
All specifications given in inches.
Rotor Backlash 0.0037-0.0077
Rotor To Body Clearance 0.0010-0.0030
Rotor End Clearance [01] 0.002-0.005
Gear Pocket
Depth 1.202-1.204
Diameter 1.5030-1.5050
Rotor Diameter 1.498-1.500
Relief Valve To Body Clearance 0.0015-0.0035
[01] Measured between pump cover mating surface & end of rotors using straight edge & suitable feeler gauges.
All specifications given in inches.
Rotor Backlash 0.0037-0.0077
Rotor To Body Clearance 0.0010-0.0030
Rotor End Clearance [01] 0.002-0.005
Gear Pocket
Depth 1.202-1.204
Diameter 1.5030-1.5050
Rotor Diameter 1.498-1.500
Relief Valve To Body Clearance 0.0015-0.0035
[01] Measured between pump cover mating surface & end of rotors using straight edge & suitable feeler gauges.
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.