Chevrolet Workshop Service and Repair Manuals

Oil Pump: Specifications

Gear Backlash

.0004-.0075 in 

Gear To Body Clearance

.0015-.0045 in 

Note: Maximum

Gear End Play

.0005-.0075 in 

Note: Measured between pump cover and end of gears using

straight edge feeler gauge.

Depth

1.500-1.509 in 

Diameter

1.5338-1.55392 in 

Pump Gear Thickness

1.5075-1.5095 in 

Pump Gear Diameter

1.529-1.531 in 

Relief Valve To Body Clearance

.0025-.0050 in