Mitsubishi Lancer Evolution-VII Workshop Manual page 684

11B-58
ENGINE OVERHAUL -
D
Connecting rod
Piston
B
3 mm + L
Guide B
Guide A
Push rod
Piston pin
Front
mark
INSTALLATION SERVICE POINTS
"AA PISTON PIN INSTALLATION
1. Measure the length of the following parts.
C
2. Calculate using the following expression.
Piston pin
3. Insert the special tool's push rod into the piston pin, and
4. Align the piston and connecting rod front marks, and
5. Apply engine oil on the periphery of the piston pin.
6. Insert the guide A side of the piston pin assembled in
A
7. Screw guide B into guide A, and assemble so that the
8. Set onto the special tool's piston setting base so that
9. Press in the piston pin using a press. If the press in
Front mark
Guide A
Base
Guide B
Piston and Connecting Rod
A : Piston pin installation section
B : Between piston boss
C : Piston pin
D : Connecting rod
L = ((A - C) - (B - D)) ÷ 2
remove guide A.
assemble.
step 3 into the pin hole from the front mark side of the
piston.
clearance is the value 3 mm more than the value (L)
obtained in step 2.
the front mark faces upward.
load is less than the standard value, replace the piston
pin (piston assembly), connecting rod or both parts.
Standard value: 7,355 - 17,162 N