Pre-tightening
Tighten all bolts to a torque of 20 Nm, then tighten to an angle in accordance with the data given in the table.
Bolt number | Corner.±2° | Bolt length, mm |
1. 5, 9, 13, 17 | 215 | 185 with washer |
2. 6. 10, 14, 18 | 240 | 185 without washer |
3, 7,11,15 | 160 | 103 with washer |
4, 8, 12, 16 | 246 | 207.5 without washer |
Pic. 3.52. G8T engine cylinder head bolt numbering
Sealing gasket settlement
Wait 3 minutes (stabilization time)
Final tightening:
- completely loosen bolts 1 and 2;
- tighten bolts 1 and 2 to a torque of 20 Nm, then tighten to an angle according to the table;
- completely loosen bolts 3, 4, 5, 6;
- tighten bolts 3,4,5,6 to a torque of 20 Nm, then tighten to an angle according to the table;
- completely loosen bolts 7, 8, 9,10;
- tighten bolts 7, 8, 9, 10 to a torque of 20 Nm, then tighten to an angle according to the table;
- completely loosen bolts 11,12,13,14;
- tighten bolts 11, 12, 13, 14 to a torque of 20 Nm, then tighten to an angle according to the table;
- completely loosen bolts 15,16,17,18;
- tighten bolts 15, 16, 17, 18 to a torque of 20 Nm, then tighten to an angle according to the table.