Installing turbocharger, cylinder row 5 - 8

Fig 1: Turbocharger fastening screws

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NOTE:

The 3 fastening screws of the turbocharger may only be greased on the thread, but not below the head.

1. Screw turbocharger onto the elbow. Grease the 3 fastening screws (M8 x 75) on the thread with the mounting paste: Microgleit LP 475 / 999.917.812.00. Tighten the screws (in two stages) to the specified torque. → Initial tightening: 17 ftlb. → Final tightening: 22 ftlb.

Fig 2: Turbocharger support

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2. Install turbocharger support. For this, tighten the 2 upper fastening screws (on the camshaft housing to the specified torque. → Tightening torque: 17 ftlb. Then insert the lower fastening screw from the front, replace nut and tighten with the specified torque. → Tightening torque: 22 ftlb.

Fig 3: Oil return line on oil-filter console

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3. Screw oil return line on the oil-filter console and tighten to the specified torque. → Tightening torque: 26 ftlb.

Fig 4: Oil supply line

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4. Screw in the oil supply line on the camshaft housing and tighten to the specified torque. → Tightening torque: 26 ftlb. Then position the holding clamp and tighten the fastening screw to the specified torque. → Tightening torque: 7.5 ftlb.

Fig 5: Upper coolant line on turbocharger

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5. Fit upper coolant line on turbocharger. Fit a new aluminum seal both above and below the line. Tighten line to the specified torque. → Tightening torque: 30 ftlb.

Fig 6: Lower coolant line

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6. Fit coolant line between the turbocharger and coolant distribution pipe. Tighten screw union on camshaft housing by hand. Then fit the line on the turbocharger. Fit a new aluminum seal both above and below the line on the coolant connection. Tighten the line on the turbocharger and on the camshaft housing to the specified torque. → Tightening torque: 30 ftlb.

Fig 7: Oil line on turbocharger

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7. Tighten oil line on the turbocharger tank by hand to the specified torque. → Tightening torque: 26 ftlb.

Fig 8: Line mounts

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8. Fit the 3 line mounts at the marked locations and tighten to the specified torque. → Tightening torque: 7.5 ftlb.

Fig 9: Hoses to the vacuum unit

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NOTE:

If the hose line of the vacuum unit is difficult to fit, moisten it with water.

9. Push hoses on for the vacuum unit and the ambient air valve.