Caravan L4-153 2.5L SOHC (1989)
Oil Pump: Specifications
Rotor Backlash
0.01 in
Note: Maximum inner to outer rotor tip clearance.
Rotor To Body Clearance
0.010-0.014 in
Rotor Endplay
0.001-0.003 in
Note: Measured between pump cover mounting surface & end of
gear using straight edge & feeler gauge.
Rotor Thickness (Minimum)
Inner
0.943 in
Outer
0.943 in
Outer Rotor Diameter (Minimum)
2.469 in
Cover Flatness Variation (Maximum)
0.003 in
Relief Spring Free Length
1.95 in
Relief Spring Pressure
19.5-20.5 lbf at 1.34 in
