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Home >> Pontiac >> 1982 >> Firebird L4-151 2.5L >> Repair and Diagnosis >> Specifications >> Mechanical Specifications >> Engine >> Oil Pump, Engine >> Pump Specifications

Pump Specifications

Gear Backlash .009-.015 Inch (in)
Gear To Body Clearance 0.004 Inch (in)
Note: Maximum
Gear End Play
Note: Measured between pump cover and end of gears using straight edge feeler gauge.
.001-.004 Inch (in)
Depth .995-.998 Inch (in)
Diameter 1.503-1.506 Inch (in)
Pump Gear Thickness .999-1.002 Inch (in)
Pump Gear Diameter 1.498-1.500 Inch (in)
Relief Valve To Body Clearance .0015-.0035 Inch (in)