Oil Pump: Testing and Inspection

Inspection





^ Install the oil pump rotors with the punch marks on the oil pump cover side, as shown.
^ Using a feeler gauge, check the following clearances.





Standard clearance





1 of 3





2 of 3





3 of 3

^ If the tip clearance (2) exceeds the limit, replace the rotor set.
^ If the body to rotor clearances (1, 3, 4, 5) exceed the limit, replace the front cover assembly.