FASTENER TIGHTENING SPECIFICATIONS
| Components | Fastener Size | Nm |
|---|---|---|
| Axial Bearing Disc | 9 | |
| Bracket for engine cover and connectors, Bolt/Nut | 8 | |
| Bracket for engine cover, high pressure line and exhaust gas temperature sensor 1 | 8 | |
| Camshaft Adjuster for Exhaust Camshaft 1 | 60 + 90° | |
| Camshaft Adjuster for Intake Camshaft 1 | 60 + 90° | |
| Camshaft Adjustment Valve 1 | 2.4 | |
| Camshaft Timing Chain Tensioner | 9 | |
| Chain Tensioner | 9 | |
| Drain Plug, Side of Cylinder Head 1 | 15 | |
| Drain Plug, Top of Cylinder Head | 35 | |
| Drive Chain Sprocket for the Camshaft Timing Chain 1 | 60 + 90° | |
| Engine Lifting Eye | 22 | |
| Exhaust Camshaft Adjustment Valve 1 | 2.4 | |
| Housing for Crankcase Ventilation | 3.2 | |
| Mounting Pin | 40 | |
| Oil Pump Drive Sprocket 1 | 20 + 90° | |
| Oil spray jet, Bolt with check-valve | 27 | |
| 1 Replace | ||
Cylinder Head Cover, Tightening Specifications and Sequence
Tighten the bolts in two steps in the sequence shown
| Stage | Bolt | Tightening Specifications |
|---|---|---|
| 1. | 1 through 16 | Install all the way in by hand. |
| 2. | 1 through 16 | 10 Nm |
Cylinder Head, Tightening Specifications and Sequence
Tighten the bolts in 6 steps in the sequence shown
| Stage | Bolts | Tighten Specifications/Angle |
|---|---|---|
| 1. | 1 through 12 | 10 Nm |
| 2. | 1 through 12 | 40 Nm |
| 3. | 1 through 12 | Tighten 90° further |
| 4. | 1 through 12 | Tighten 90° further |
| 5. | 13 | 8 Nm |
| 6. | 13 | Tighten 90° further |
Upper Timing Chain Cover, Tightening Specifications and Sequence
Note. Bolts -3, 4, 5, 6, 10, 11- are installed like double bolts.
Tighten the bolts in two steps in the sequence shown
| Stage | Bolts | Tightening Specifications |
|---|---|---|
| 1. | 1 through 12 | Install all the way in by hand. |
| 2. | 1 through 12 | 9 Nm |
Lower Timing Chain Cover, Tightening Specifications and Sequence
Note. Replace bolts that are tightened to the specification.
Tighten the bolt in 6 steps
| Stage | Bolts | Tightening Specifications |
|---|---|---|
| 1. | 1 through 6- and -arrows | Install all the way in by hand. |
| 2. | Arrows | 5 Nm |
| 3. | 1 through 6 | In a diagonal sequence, to 8 Nm |
| 4. | Arrows | 8 Nm |
| 5. | 1 through 6 | In a diagonal sequence, to 20 Nm |
| 6. | Arrows | Tighten 90° further |
Camshaft Guide Frame Tightening Specifications and Sequence
Note. Replace bolts that are tightened to the specification.
| CAUTION | Danger of damaging the camshaft guide frame. The guide frame bolts must only be tighten as described. |
Tighten the bolts in 4 steps in the sequence shown
| Stage | Bolts | Tightening Specification/Additional Turn |
|---|---|---|
| 1. | 1 through 29 | Install by hand until the bolt heads touch the guide frame. |
| 2. | 1 through 29 | Turn further one turn in several steps until the guide frame touches the cylinder head completely and until an 8 Nm torque is achieved. |
| 3. | 1 through 29 | 8 Nm 1) |
| 4. | 1 through 29 | Tighten 90° further |
| 1) If kept constant, all of the bolts will remain tightened to 8 Nm even after the guide frame is installed. | ||