Tightening Torques For New Connecting Rod Bolts
TIGHTENING TORQUES SPECIFICATIONS
| Designation | Engine M97/74 | Engine M97/77 | Engine M97/78 |
|---|---|---|---|
| Coat thread and bolt head surface lightly with engine oil | Yes | Yes | Yes |
| Initial tightening for connecting rod bolts | 25 Nm (19 ftlb.) ± 10 % | 30 Nm (22 ftlb.) ± 10 % | 30 Nm (22 ftlb.) ± 10 % |
| Final tightening torque angle for connecting rod bolts | 120° ± 2° | 62° ± 2° | 62° ± 2° |