Operation CHARM: Car repair manuals for everyone.

Oil Pump: Testing and Inspection

OIL PUMP INSPECTION
Rotor Clearance Inspection





1. Measure the following clearance.
^ Replace the rotor and/or pump body if necessary.


Standard tip clearance 0.130 - 0.206 mm (0.00512 - 0.00811 inch)
Maximum tip clearance 0.30 mm (0.012 inch)






Standard tip clearance 0.113 - 0.186 mm (0.00445 - 0.00732 inch)
Maximum tip clearance 0.22 mm (0.0087 inch)





Standard tip clearance 0.035 - 0.095 mm (0.0014 - 0.0037 inch)
Maximum tip clearance 0.14 mm (0.0055 inch)






1. Apply pressing force to the pressure spring and check the spring height.
^ Replace the plunger spring if necessary.

Pressing force 97.7 - 107.4 N (9.96 - 10.96 kg., 21.92 - 24.11 lbs.)
Standard height 33.50 mm (1.319 inch)