Mitsubishi 4G1 Service Manual page 109

ENGINE
INSPECTION
SILENT SHAFT
(2) Check journal for seizure, damage, and contact with
bearing. If there is anything wrong with the journal, replace
the silent shaft, bearing or front case assembly.
(3) Check the silent shaft oil clearance. If the clearance is
excessive due to wear, replace the silent shaft bearing,
silent shaft or front case assembly.
Standard:
Right
Left
OIL PUMP
(1) Check the side clearance of each gear.
Standard value:
0.08 - 0.14 mm (.0031 - .0055 in.)
0.06 - 0.12 mm (.0024 - .0047 in.)
(2) Check for ridge wear on the surface of the oil pump cover
that is in contact with the pump gear side,
INSTALLATION SERVICE POINTS
SILENT SHAFT REAR BEARING INSTALLATION
(1) Apply engine oil to the rear bearing outer circumference and
bearing hole in the cylinder block.
(2) Using the special tool and a hammer, drive the rear bearing
into the cylinder block.
SILENT SHAFT FRONT BEARING INSTALLATlON
(1) Install two guide pins included in the special tool set to the
threaded holes in the cylinder block.
(2) Set the front bearing on the special tool so that the ratchet
ball of the special tool fits in the oil hole in the bearing.
(3) Apply engine oil to the bearing outer circumference and
bearing hole in the cylinder block.
Front
0.02 - 0.06 mm (.OOOS - .0024 in.)
Rear
0.05 - 0.09 mm (.0020 - .0036 in.)
Front
0.02 - 0.05 mm (.0008 - .0021 in.)
Rear
0.05 - 0.09 mm (.0020 - .0036 in.)
1
Drive gear
Driven gear