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Home >> Chevrolet >> 1990 >> Caprice V8-307 5.0L >> Repair and Diagnosis >> Specifications >> Mechanical Specifications >> Engine >> Oil Pump, Engine >> Dimension/Clearance Specifications >> VIN Y, Gear Values
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VIN Y, Gear Values

Vin Y, Gear Values
Gear Backlash 0.0004-0.0065
Gear To Body Clearance 0.0015-0.0045
Gear Endplay
Note: Measured between pump cover and end of gears using straightedge & feeler gauge.
0.0025-0.0065
Gear Pocket Depth 1.500-1.509
Gear Pocket Diameter 1.534-1.539
Pump Gear Thickness 1.5075-1.5095
Pump Gear Diameter 1.529-1.531
Relief Valve To Body Clearance 0.0025-0.0050