9-7
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LUBRICATION SYSTEM
Remove the O-rings [1] and dowel pins [2].
Installation is in the reverse order of removal.
• Replace the O-rings with a new one.
• Align the oil pump shaft tab with the balancer shaft
slit.
DISASSEMBLY/ASSEMBLY
Remove the bolts [1], oil pump cover [2] and dowel pins
[3].
Remove the thrust washer [4], oil pump shaft [5], drive
pin [6], outer rotor [7] and inner rotor [8] from the oil
pump body [9].
Clean all disassembled parts thoroughly.
Assembly is in the reverse order of disassembly.
Dip all parts in clean engine oil.
INSPECTION
If any portion of the oil pump is worn beyond the service
limit, replace the oil pump as an assembly.
Temporarily install the outer and inner rotors into the oil
pump body.
Temporarily install the drive pin and oil pump shaft.
Measure the rotor tip clearance.
[4]
[1]
[2]
[5]
[6]
[7]
[8]
[9]
[3]
SERVICE LIMIT: 0.20 mm (0.008 in)
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