Mitsubishi S6R2 Series User Manual

7-16
Chapter 7 ASSEMBLY OF BASIC ENGINE
(6) Measure the connecting rod end play, and adjust the
end play to the range of the standard value.
(7) Tighten the connecting rod bolts to the specified torque.
After tightening to the specified torque, loosen the bolts
completely and tighten again to the specified torque.
Measure the end play again.
Note: To tighten the connecting rod bolts with the angle con-
trol tightening, follow the steps below.
(a)Tighten the bolts to the snug torque.
(b)Tighten the bolt by 60±3° further.
(c)Loosen all bolts, and then angle controlled tighten
them again. (2-time tightening method)
Connecting Rod Cap - Install (4)
2.13 Connecting Rod End Play - Measure
Measure the end play of the connecting rod.
If the value exceeds the limit, find the causal parts, and
replace them with new ones.
Connecting Rod End Play - Measure
Bolt
Position
Bolt
Identification
mark
Snug torque Part No.
Upper AU
245 ± 12.3 N·m
{25 ± 1.25 kgf·m}
[180 ± 9 lbf·ft]
37519-21300
Lower AL
294 ± 14.7 N·m
{30 ± 1.5 kgf·m}
[217 ± 11 lbf·ft]
37519-11400
-2
245 ± 12.3 N·m
{25 ± 1.25 kgf·m}
[180 ± 9 lbf·ft]
37519-20301
Tightening torque
Bolt ID mark "AL" and "AU":
637 ± 31.9 N·m {65 ± 3.25 kgf·m}
[470 ± 24 lbf·ft]
2-time tightening method [wet]
Bolt ID mark "2":
539 ± 27 N·m {55 ± 2.75 kgf·m}
[398 ± 20 lbf·ft]
2-time tightening method [wet]
Item Standard value Limit value
Connecting rod end play
0.4 to 0.6 mm
[0.0157 to 0.0236 in.]
1.0 mm
[0.040 in.]
Connecting rod
Connecting rod end play

Mitsubishi S6R2 Series Specifications

General

Brand	Mitsubishi
Model	S6R2 Series
Category	Engine
Language	English