Operation CHARM: Car repair manuals for everyone.

Oil Pump: Testing and Inspection

OIL PUMP INSPECTION
Rotor Clearance Inspection





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





Standard tip clearance 0.02 - 0.18 mm (0.0008 - 0.0070 inch)
Maximum tip clearance 0.20 mm (0.0079 inch)





Standard body clearance 0.113 - 0.186 mm (0.00445 - 0.00732 inch)
Maximum body clearance 0.22 mm (0.0086 inch)
Standard side clearance 0.03 - 0.09 mm (0.00119 - 0.00354 inch)
Maximum side clearance 0.13 mm (0.0051 inch)

Pressure Spring Inspection





1. Measure the free length of the pressure spring.
^ Replace the pressure spring if necessary.
Free length 46.79 mm (1.842 inch)