4G9 ENGINE |
Identification mark “T”
Identification mark | Size mark |
“2T” or ”T2” |
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No.1
No.2
Upper side rail | No.1 ring |
Piston pin
No.2 ring and | Lower side rail |
spacer |
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"CAPISTON RING NO.2/PISTON RING NO.1
INSTALLATION
(1)Using piston ring expander, install the piston rings with their side having identification marks facing up.
Identification mark: No.1 ring: T
No.2 ring: 2T or T2
NOTE
The piston ring is stamped with the following size mark.
Size | Size mark |
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Standard size | None |
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0.50 mm O.S. | 50 |
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1.00 mm O.S. | 100 |
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"DAPISTON AND CONNECTING ROD INSTALLATION
(1)Liberally coat engine oil on the circumference of the piston, piston ring and oil ring.
(2)Arrange the piston ring and oil ring gaps (side rail and spacer) as shown in the illustration.
(3)Face the front mark (arrow) on the top of the piston toward the camshaft sprocket.
(4)Using a suitable piston ring compressor tool, insert the piston and connecting rod assembly into the cylinder block.
Caution
Do not strike the piston into the cylinder block because the piston ring or crank pin will be damaged.
EMitsubishi Motors Corporation | Apr. 2003 | Revised |