Operation CHARM: Car repair manuals for everyone.

Oil Pump, Engine

Rotor Backlash 0.008
Note: Maximum inner & outer rotor tip clearance.
Rotor To Body Clearance 0.001-0.003
Note: Maximum clearance between inner and outer rotors and body.
Rotor End Play 0.001-0.004
Note: Measured between pump cover mounting surface and end of gear, using straight edge and feeler gauge.
Rotor Thickness(Height) Inner 0.943
Outer 0.943
Rotor Diameter 2.469
Note: (Minimum)
Cover Flatness Variation 0.0015
Relief Valve Spring Free Length 1.95
Spring Pressure Lbs. @ Inches 20 at 1.34