Group 21, Turbocharging
Information
Tighten screw-type clamps for securing pressure and intake pipes and pressure and suction hoses to charge-air cooler and turbocharger to → Tightening torque: 5.5 Nm (4 ftlb.) .
- Coolant return line for turbocharger → Tightening torque: 30 Nm (22 ftlb.)
- Coolant supply line for turbocharger → Tightening torque: 30 Nm (22 ftlb.)
- Clamp
- Coolant supply hose for turbocharger
- Turbocharger; exhaust manifold/turbocharger module
- Coolant return line for turbocharger → Tightening torque: 30 Nm (22 ftlb.)
- Coolant supply line for turbocharger → Tightening torque: 30 Nm (22 ftlb.)
- Coolant supply line holder to oil guide housing → Tightening torque: 10 Nm (7.5 ftlb.)
- Turbocharger vent line for cylinders 1 to 4; vent line to turbocharger oil extraction line → Tightening torque: 35 Nm (26 ftlb.) and vent line retaining clip to collection pipe → Tightening torque: 6.5 Nm (5 ftlb.)
- Turbocharger oil feed line for cylinders 1 to 4; turbocharger oil feed line to connection piece → Tightening torque: 40 Nm (30 ftlb.) ; turbocharger oil feed line to cylinder head → Tightening torque: 35 Nm (26 ftlb.) not shown - Check valve connection piece to turbocharger → Tightening torque: 45 Nm (33 ftlb.)
- Holder
- Seal
- Oil extraction line
- Screw, M6 x 12; turbocharger oil extraction line to oil guide housing → Tightening torque: 10 Nm (7.5 ftlb.) and turbocharger oil supply line holder → Tightening torque: 10 Nm (7.5 ftlb.)
- Screw, M6 x 16 → Tightening torque: 10 Nm (7.5 ftlb.)
- Turbocharger oil feed line for cylinders 5 to 8; turbocharger oil feed line to connection piece → Tightening torque: 40 Nm (30 ftlb.) ; turbocharger oil feed line to cylinder head → Tightening torque: 35 Nm (26 ftlb.)
- Turbocharger vent line for cylinders 5 to 8; vent line to turbocharger oil extraction line → Tightening torque: 35 Nm (26 ftlb.)
- Screw, M6; turbocharger oil extraction line to oil guide housing → Tightening torque: 10 Nm (7.5 ftlb.) and retaining clip → Tightening torque: 6.5 Nm (5 ftlb.)
- Retaining clip
- Oil extraction line
- Screw, M6 x 16 → Tightening torque: 10 Nm (7.5 ftlb.)
- Seal
- Turbocharger exhaust manifold, cylinders 1 to 4
- Seal; install so that marking on seal is legible
- Lower tab washer
- Upper tab washer
- Nut M8; turbocharger exhaust manifold to cylinder head; replace → Tightening torque: 27 Nm (20 ftlb.)
- Turbocharger exhaust manifold, cylinders 5 to 8
- Seal; install so that marking on seal is legible
- Nut M8; turbocharger exhaust manifold to cylinder head; replace → Tightening torque: 27 Nm (20 ftlb.)
- Upper tab washer
- Lower tab washer
1 to 12 - applies to both sides, always start at the timing-case cover
- Pressure line, boost pressure line
- Hose clamp
- Cycle valve
- Support to timing-case cover
- Combination holder
- Wastegate control line for cylinders 5 to 8
- Wastegate control line for cylinders 1 to 4
- Hose holder
- Screw to timing-case cover; see Timing-case cover
- Pressure line
- Vacuum line
- Hose clamp
- Screw, M6 x 12 → Tightening torque: 10 Nm (7.5 ftlb.)
- Holder
- Rubber element
- Electric change-over valve
- Control line
- View A; connection of pressure line to intake-air distributor