M/T Oil Pump Clearance Inspection

1.Measure the thrust clearance between the oil pump gears (A) and clutch housing (B) with a straight edge (C) and a feeler gauge (D).

Standard (New) : 0.03-0.13 mm (0.001-0.005 in.) 
Service Limit: 0.15 mm (0.006 in.) 

 

2.Measure the side clearance between the outer rotor (A) and clutch housing (B) with a feeler gauge (C).

Standard (New) : 0.1-0.2 mm (0.004-0.008 in.) 
Service Limit: 0.22 mm (0.009 in.) 

 

3.Measure the side clearance between the outer rotor (A) and inner rotor (B) with a feeler gauge (C).

Standard (New) : 0.14 mm (0.006 in.) 
Service Limit: 0.2 mm (0.008 in.) 

 

4.If the clearance is not within the standard, replace the oil pump outer and inner rotors.