Measuring Piston Pin Bore Diameter And Piston Pin Outside Diameter; Measuring Connecting Rod End Play - Mitsubishi L Series Service Manual

INSPECTION AND REPAIR OF BASIC ENGINE
4.5 Measuring piston pin bore diameter and
piston pin outside diameter
Measure the piston pin bore diameter and piston pin outside
diameter. Replace if the limit is exceeded.
Item Nominal
ø 18 mm
L2A,L3A
L2C,L3C [0.71 in.]
Outside
diameter of
piston pin
ø 21 mm
L2E,L3E
[0.83 in.]
Clearance
L2A,L3A
between
L2C,L3C
piston pin
bore and
piston pin
outside
L2E,L3E
diameter

4.6 Measuring connecting rod end play

(1) Install the connecting rods onto the respective
crankpins and tighten the connecting rod cap bolts to
the specified torque.
(2) Measure the clearance to the crank arm (end play) at
two positions (above and below the crankpin).
(3) If the limit is exceeded, replace the connecting rod with
a new one.
Item
Connecting rod end play
6-14
Standard Limit
18.001 to
18.007 mm
[0.7087 to
0.7089 in.]
21.002 to
21.005 mm
[0.8269 to
0.8270 in.]
0.006 to
0.018 mm
-
[0.0002 to
0.0007 in.]
0.08 mm
[0.0031 in.]
0.007 to
0.015 mm
-
[0.0003 to
0.0006 in.]
Standard Limit
0.10 to 0.35 mm 0.50 mm
[0.0039 to 0.0138 in.] [0.0197 in.]
-
Measuring points
-
Measuring piston pin bore and piston pin outside
Tightening torque:
31.4 to 34.3 N m
{3.2 to 3.5 kgf m}
[23.15 to 25.32 lbf ft]
Measuring end play of connecting rod
Measuring directions
diameter
Thickness gauge