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Home >> Oldsmobile >> 1987 >> Calais FWD V6-181 3.0L >> Repair and Diagnosis >> Specifications >> Mechanical Specifications >> Engine >> Oil Pump, Engine
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Oil Pump, Engine

Gear Backlash 0.006 Inch (in)
Gear To Body Clearance .008-.015 Inch (in)
Note: Maximum
Gear End Play
Note: Measured between pump cover and end of gears using straight edge feeler gauge.
.001-.0035 Inch (in)
Depth .461-.462 Inch (in)
Diameter 3.508-3.512 Inch (in)
Pump Gear Thickness .459-.460 Inch (in)
Pump Gear Diameter
Note: Drive (Inner) Gear.
2.839 Inch (in)
Note: Driven (outer) gear; 3.497-3.500 inches.
Relief Valve To Body Clearance .004-.008 Inch (in)