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5-59
EAS00364
CHECKING THE OIL PUMP
1. Check:
8oil pump drive gear
8oil pump driven gear 1
8oil pump housing
8oil pump housing cover
Cracks/damage/wear J Replace the
defective part(s).
2. Measure:
8inner-rotor-to-outer-rotor-tip clearance a
8outer-rotor-to-oil-pump-housing clearance
b.
Out of specification J Replace the oil
pump.
1 Inner rotor
2 Outer rotor
3 Oil pump housing
Inner-rotor-to-outer-rotor-tip clear-
ance
0.15mm (0.006in) or less
<Limit>: 0.23mm (0.009in)
Outer-rotor-to-oil-pump-housing
clearance
0.07 ~ 0.12mm (0.003 ~ 0.005in)
<Limit>: 0.19mm (0.008in)
OIL PUMP
3. Check:
8oil pump operation
Rough movement J Repeat steps (1) and
(2) or replace the defective part(s).
1
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