Specifications

4M41 ENGINE -
Piston and Connecting Rod
11B-23-8
"
F
A
CONNECTING ROD BEARING INSTALLATION
The connecting rod bearing
2
,
4
to be used must have an
appropriate thickness that matches the big end I.D. of the
connecting rod and the pin O.D. of the crankshaft assembly.
There are two methods available for selecting an appropriate
bearing.
<Selection by measurement>
(1) Measure the big e n d I.D. of the connecting rod (with
connecting rod bearing
2
,
4
removed) and the pin O.D.
of the crankshaft assembly.
A
: Measuring point
Connecting rod: 1 point in vertical direction
Crankshaft: 1 point in any direction
Caution
Before measuring the big end O.D. of the connecting
rod, tighten the nut B to a torque of 49
±
5 Nm.
(2) Select connecting rod bearing shells
2
,
4
having the
thickness that matches the respective measured values
from the table below. Install the selected connecting rod
bearing shells with their lug
C
fitted in the mating groove
of the connecting rod.
D
: Location of connecting rod bearing identification color
(side)
Caution
The upper connecting rod bearing shell 4 has an oil
hole E, while the lower connecting rod bearing shell
2 has no oil hole. Be careful not to install them in
wrong place.
Crankshaft pin O.D. Connecting rod big end I.D. Compatible connecting rod bearing
identification color (Figures in brack-
ets are sheet thicknesses)
53.980 - 53.988 58.010 - 58.019 mm None (1.992 - 1.996 mm)
58.000 - 58.010 mm Blue (1.988 - 1.992 mm)
53.971 - 53.980 58.010 - 58.019 mm Yellow (1.996 - 2.000 mm)
58.000 - 58.010 mm None (1.992 - 1.996 mm)
PWEE9409-D
E
Feb. 2000Mitsubishi Motors Corporation Added
*a
A
B
C
D
2
4
E
C
A