FASTENER TIGHTENING SPECIFICATIONS
| Component | Fastener Size | Nm |
|---|---|---|
| Camshaft Position Sensor to Cylinder Head Bolt | 10 | |
| Camshaft Sprocket to Camshaft Bolt | 20 + 45° | |
| Coolant Connection to Cylinder Head Bolt | 10 | |
| Fuel Rail to Cylinder Head Cover Bolt | 22 | |
| Heat Shield to Cylinder Head Cover Bolt | 5 | |
| High Pressure Pump Toothed Belt Gear to Hub Bolt (1) | 20 + 90° | |
| Hub to Camshaft Bolt | 100 | |
| Lifting Eye to Cylinder Head Bolt/Stud Bolt | 25 | |
| Sealing Cap to Cylinder Head Cover Bolt | 5 | |
| Tensioning Plate to Cylinder Head Cover Nut | 10 | |
| Toothed Belt Tensioner to Cylinder Block Nut | 20 + 45° | |
| Vacuum Pump to Cylinder Head Bolt | 10 | |
| Vibration Damper to Crankshaft Bolt (1) | 10 + 90° | |
| (1) Always replace | ||
| (1) | Always replace |
- For bolt clarification, refer to -items 14 and 15- in the «TOOTHED BELT OVERVIEW»(ref-481002-S37132661232012061900000)
Cylinder Head Cover Bolt Tightening Sequence and Specification
Scheme 72
Tighten the bolts in sequence -1 through 7- hand tight.
Tighten the bolts in sequence -1 through 7- to 10 Nm.
Cylinder Head Bolt Tightening Sequence and Specification
Scheme 73
- Tighten the bolts using a torque wrench: First pass = 30 Nm Second pass = 50 Nm
- Tighten the bolts further using a ratchet: Third pass = 90° (1/4) additional turn Final pass = 90° (1/4) additional turn
Bearing Frame Bolt Tightening Sequence and Specification
Scheme 74
Tighten the bolts by hand in sequence -1 through 24-.
- The bearing frame must be in contact with the entire contact surface of the cylinder head.
Tighten bearing frame bolts in sequence -1 through 24- until they are seated. Tightening specification: 10 Nm