D150 1/2 Ton Pickup 2WD V6-239 3.9L VIN X FI (1988)
Oil Pump: Specifications
Rotor Backlash
0.008 in
Note: Maximum inner to outer rotor tip clearance.
Rotor To Body Clearance
0.014 in
Rotor Endplay
0.001-0.004 in
Note: Measured between pump cover mounting surface & end of
gear using straight edge & feeler gauge.
Rotor Thickness (Minimum)
Inner
0.825 in
Outer
0.825 in
Outer Rotor Diameter (Minimum)
2.469 in
Cover Flatness Variation (Maximum)
0.0015 in
Relief Spring Free Length
1.95 in
Relief Spring Pressure
19-20 lbf at 1.031 in
