GM Service Manual Online
For 1990-2009 cars only

Oil Pump Rotor and Slide Measurement

Thickness (mm)

Thickness (in)

Oil Pump Rotor

17.948-17.961

0.7066-0.7071

17.961-17.974

0.7071-0.7076

17.974-17.987

0.7076-0.7081

17.987-18.000

0.7081-0.7086

18.000-18.013

0.7086-0.7091

Oil Pump Slide

17.948-17.961

0.7066-0.7071

17.961-17.974

0.7071-0.7076

17.974-17.987

0.7076-0.7081

17.987-18.000

0.7081-0.7086

18.000-18.013

0.7086-0.7091