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Oil Pump: Testing and Inspection

OIL PUMP CLEARANCES

Measuring Gear To Body Clearance:





1. Body to outer gear:
0.11 - 0.20 mm (0.0043 - 0.0079 in)

2. Inner gear to crescent:
0.22 - 0.33 mm (0.0087 - 0.0130 in)

3. Outer gear to crescent:
0.21 - 0.32 mm (0.0083 - 0.0126 in)

Measuring Gear To Housing Clearance:





4. Housing to inner gear:
0.05 - 0.09 mm (0.0020 - 0.0035 in)

5. Housing to outer gear:
0.05 - 0.11 mm (0.0020 - 0.0043 in)

NOTE: If any clearance exceeds the limit, replace gear set or entire oil pump assembly.