Oil Pump, Engine

1993 Chevrolet Lumina APV V6-3800 3.8LSECTION Oil Pump, Engine
Rotor To Body Clearance 0.008-0.015
Rotor End Clearance
Note: Measured between pump cover mating surface & end of rotors using straightedge & suitable feeler gauges.
0.0010-0.0035
Gear Pocket Depth 0.461-0.465
Diameter 3.508-3.512
Relief Valve To Body Clearance 0.0015-0.003
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.