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Home >> Pontiac >> 1993 >> Trans Sport V6-191 3.1L >> Repair and Diagnosis >> Specifications >> Mechanical Specifications >> Engine >> Oil Pump, Engine >> Dimension/Clearance Specifications >> Oil Pump
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Oil Pump

Rotor Backlash 0.009-0.015
Rotor To Body Clearance 0.001-0.003
Rotor End Clearance
Note: Measured between pump cover mating surface & end of rotors using straightedge & suitable feeler gauges.
0.001-0.004
Rotor Diameter 1.498-1.500
Relief Valve To Body Clearance 0.0015-0.0035