FASTENER TIGHTENING SPECIFICATIONS
| Component | Bolt Size | Nm |
|---|---|---|
| Balance Shaft Belt Pulley Side | 60 | |
| Balance Shaft Chain Sprocket | 23 | |
| Balance Shaft Transmission Side | 60 | |
| Bearing End Bracket | 9 | |
| Bracket for the Electrical Connectors | 5 | |
| Bracket for the Electrical Wiring Harness | 5 | |
| Cap | 9 | |
| Camshaft Chain Sprocket | 23 | |
| Chain Tensioner for Camshaft Timing Chains (1) | 5 + 90° | |
| Chain Tensioner (2) | 12 | |
| Chain tensioner with Glide Track | 9 | |
| Drive sprocket for left timing chain (1) | 5 + 90° | |
| Drive sprocket for right timing chain | 45 | |
| Engine Lifting Eye (3) | ||
| M6 | 9 | |
| M8 | 23 | |
| Guide Rail | 5 + 90° (1) | |
| Mounting Bracket for Drive Sprocket (1) | 5 + 90° | |
| Mounting Pin (4) | 12 | |
| Pivot Pin for Drive Sprocket | 45 | |
| Pressure Relief Valve | 25 | |
| Tensioning Rail (1) | 5 + 90° | |
| Thrust Washer for Drive Sprocket (1) | 5 + 90° | |
| (1) Always replace (2) For bolt tightening clarification, refer to TIMING MECHANISM DRIVE CHAIN OVERVIEW and see items -16- (3) For bolt tightening clarification, refer to CYLINDER HEAD COVER OVERVIEW and see items -14 and 15- (4) Insert with locking compound | ||
| (1) | Always replace |
| (2) | For bolt tightening clarification, refer to TIMING MECHANISM DRIVE CHAIN OVERVIEW and see items -16 |
| (3) | For bolt tightening clarification, refer to CYLINDER HEAD COVER OVERVIEW and see items -14 and 15 |
| (4) | Insert with locking compound |
Left Timing Chain Cover, Tightening Specifications and Sequence
Tighten bolts in 4 stages as follows
| Step | Bolts | Tightening Specification |
|---|---|---|
| 1. | 1 | 3 Nm |
| 2. | 2 | 9 Nm |
| 3. | 1 | 9 Nm |
| 4. | 3 | 9 Nm in a diagonal sequence |
Right Timing Chain Cover, Tightening Specifications and Sequence
Tighten bolts in 4 stages as follows
| Step | Bolts | Tightening Specification |
|---|---|---|
| 1. | 1 | 3 Nm |
| 2. | 2 | 9 Nm |
| 3. | 1 | 9 Nm |
| 4. | 3 | 9 Nm in a diagonal sequence |
Lower Timing Chain Cover, Tightening Specifications and Sequence
Tighten the bolts in 3 steps according to the tightening sequence
| Step | Bolts | Tightening Specification |
|---|---|---|
| 1. | 1 through 9 | 5 Nm from the inside toward the outside and diagonally |
| 2. | 1 through 7 | 9 Nm from the inside toward the outside and diagonally |
| 3. | 8- and -9 | 23 Nm |
Cylinder Head Cover, Tightening Specifications and Sequence
Tighten the cylinder head cover bolts -arrows- in a diagonal sequence in stages to 9 Nm.
Cylinder Head, Tightening Specifications and Sequence
Note. Replace bolts which have been tightened to an additional torque.
Tighten the bolts in 5 steps according to the tightening sequence
| Step | Bolts | Tightening Torque/Additional Angle of Rotation |
|---|---|---|
| 1. | 1 through 8 | Install all the way in by hand. |
| 2. | 1 through 8 | 35 Nm |
| 3. | 1 through 8 | 60 Nm |
| 4. | 1 through 8 | Tighten an additional 90°. |
| 5. | 1 through 8 | Tighten an additional 90°. |
Left Cylinder Head Guide Frame, Tightening Specifications and Sequence
Tighten the bolts and nuts in 2 steps in the sequence shown
| Step | Bolts/Nuts | Tightening Specification |
|---|---|---|
| 1. | 1 through 18 | Install all the way in by hand. The guide frame must be in contact with the entire contact surface of the cylinder head. |
| 2. | 1 through 18 | 9 Nm |
Right Cylinder Head Guide Frame, Tightening Specifications and Sequence
Tighten the bolts and nuts in 2 steps in the sequence shown
| Step | Bolts/Nuts | Tightening Specification |
|---|---|---|
| 1. | 1 through 17 | Install all the way in by hand. The guide frame must be in contact with the entire contact surface of the cylinder head. |
| 2. | 1 through 17 | 9 Nm |