Service manual

5 - 92
ENG
TRANSFER GEAR CASE
2. Check:
• primary chain 1
Damage/stiffness → Replace the primary
chain, middle drive gear and middle
driven shaft as a set.
CHECKING THE OIL STRAINER
1. Check:
• oil strainer
Damage → Replace.
Contaminants → Clean with engine oil.
CHECKING THE OIL PUMP
1. Check:
• oil pump housing 1
• oil pump cover 2
Cracks/damage/wear → Replace the
defective part(s).
2. Measure:
• inner rotor-to-outer rotor tip clearance a
• outer rotor-to-oil pump housing clear-
ance b
Out of specification → Replace the oil
pump.
1 Inner rotor
2 Outer rotor
3 Oil pump housing
Inner rotor-to-outer rotor tip
clearance
0.07 ~ 0.12 mm (0.003 ~ 0.005 in)
Outer rotor-to-oil pump housing
clearance
0.03 ~ 0.08 mm (0.001 ~ 0.003 in)
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