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4G6 ENGINE (E-W) -
Piston and Connecting Rod
11A-11-4
(10)Check that the piston moves smoothly
"
B
A
OIL RING INSTALLATION
(1) Fit the oil ring spacer into the piston ring groove.
NOTE
1. The side rails and spacer may be installed in either
direction.
2. New spacers and side rails are colored for
identification of their sizes.
Size Identification color
Standard None
0.50 mm oversize Red
1.00 mm oversize Yellow
(2) Install the upper side rail.
To install the side rail, first fit one end of the rail into
the piston groove, then press the remaining portion into
position by finger. See illustration.
Use of ring expander to expand the side rail end gap
can break the side rail, unlike other piston rings.
Caution
D
Do not use piston ring expander when installing
side rail.
(3) Install the lower side rail in the same procedure as
described in step (2).
(4) Make sure that the side rails move smoothly in either
direction.
PWEE9616
E
Dec. 1996Mitsubishi Motors Corporation
6EN1237
Lower side rail
Spacer
Upper
side rail
1EN0269
Side rail gap