Connecting Rod End Play - Measure - Mitsubishi S6R Series Service Manual

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.
Bolt
Bolt
Identification
Position
mark
Upper AU
Lower AL
- 2
(b)Tighten the bolt by 60±3° further.
(c)Loosen all bolts, and then angle controlled tighten
them again. (2-time tightening method)

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.
Item
Connecting rod end play
7-16
Snug torque Part No.
245 ± 12.3 N·m
{25 ± 1.25 kgf·m} 37519-21300
[180 ± 9 lbf·ft]
294 ± 14.7 N·m
{30 ± 1.5 kgf·m} 37519-11400
[217 ± 11 lbf·ft]
245 ± 12.3 N·m
{25 ± 1.25 kgf·m} 37519-20301
[180 ± 9 lbf·ft]
Standard value Limit value
0.4 to 0.6 mm 1.0 mm
[0.0157 to 0.0236 in.] [0.040 in.]
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]
Connecting Rod Cap - Install (4)
Connecting rod end play
Connecting Rod End Play - Measure
Connecting rod