Tightening Procedure For Cylinder Head Bolts - AR01.30-P-5800-01MNA
Engine 176, 177, 178
CYLINDER HEAD
| Number | Designation | Engine 176 | Engine 177 | |||
|---|---|---|---|---|---|---|
| BA01.30-P-1001-01N | Bolt, cylinder head to crankcase | M7 | Nm | 15 | 15 | |
| M11 | Stage 1 | Nm | 40 | 40 | ||
| Stage 2 | ∠° | 90 | 90 | |||
| Stage 3 | ∠° | 90 | 90 | |||
| Stage 4 | ∠° | 90 | 90 | |||
CYLINDER HEAD
| Number | Designation | Engine 178 | |||
|---|---|---|---|---|---|
| BA01.30-P-1001-01N | Bolt, cylinder head to crankcase | M7 | Nm | 15 | |
| M11 | Stage 1 | Nm | 40 | ||
| Stage 2 | ∠° | 90 | |||
| Stage 3 | ∠° | 90 | |||
| Stage 4 | ∠° | 90 | |||
Tightening sequence indicated for left and right cylinder head must be adhered to under all circumstances.
Damage will occur otherwise.
To remove the cylinder head bolts (1 to 11), use the reverse tightening order.
- Tighten cylinder head bolts (1 to 10) to stage 1.
.
- Tighten cylinder head bolts (1 to 10) to stage 2
- Tighten cylinder head bolts (1 to 10) to stage 3
- Tighten cylinder head bolts (1 to 10) to stage 4.
- Tighten cylinder head bolts (11).