4G6 ENGINE (E-W) -
Piston and Connecting Rod
11A-11-8
(3) Install the piston ring into the cylinder bore. Force it down
with a piston, its crown being in contact with the ring,
to correctly position it at right angles to the cylinder wall.
Then, measure the end gap with a feeler gauge. If the
ring gap is excessive, replace the piston ring.
Standard value:
No. 1 ring 0.25 - 0.35 mm
No. 2 ring 0.40 - 0.55 mm
Oil ring 0.10 - 0.40 mm
Limit:
No. 1, No. 2 ring 0.8 mm
Oil ring 1.0 mm
CRANKSHAFT PIN OIL CLEARANCE
(PLASTIC GAUGE METHOD)
(1) Remove oil from the crankshaft pin and connecting rod
bearing.
(2) Cut the Plastigage to the same length as the width of
the bearing and place it on the crankshaft pin in parallel
with its axis.
(3) Install the connecting rod cap carefully and tighten the
nuts to specified torque.
(4) Carefully remove the connecting rod cap.
(5) Measure the width of the Plastigage at its widest part
by using a scale printed on the Plastigage package.
Standard value: 0.02 - 0.05 mm
Limit: 0.1 mm
PWEE9616
E
Dec. 1996Mitsubishi Motors Corporation
Plastigage
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