11 71 100 Removing and installing/replacing exhaust-gas recirculation cooler (N47 D20 O1)

Necessary preliminary work:

Release screws (1).

Installation note:

Replace gasket.

Tightening torque: 11 61 2AZ .

Fig 1: Identifying Screws On Exhaust-Gas Recirculation Cooler

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Release screws (1).

Installation note:

Grease screws with ASSEMBLY PASTE 4.2 .

Tightening torque: 11 71 1AZ .

Fig 2: Identifying Exhaust-Gas Recirculation Valve And Screws

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Loosen the electric changeover valve (2) at the retaining clip (1) and pull off in direction of arrow.

Detach vacuum line (3) from electric changeover valve (2).

Release screw (4).

Tightening torque: 11 00 4AZ .

Fig 3: Detaching Vacuum Line From Electric Changeover Valve

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Release coolant lines (2 and 4) from exhaust-gas recirculation valve.

Fig 4: Identifying Exhaust-Gas Recirculation Valve, Coolant Lines, And Screws

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Release screw (1).

Tightening torque: 11 00 4AZ .

Fig 5: Identifying Exhaust-Gas Recirculation Cooler And Screw

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Release screw (1).

Tightening torque: 11 00 4AZ .

Installation note:

Replace pipe neck on EGR cooler.

Ensure that the pipe neck is mounted without tension.

Fig 6: Identifying Exhaust-Gas Recirculation Cooler And Screw

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Note screw sequence at the exhaust-gas guide module.

Screwed connections in sequence (1 to 5).

Fig 7: Exhaust-Gas Guide Module Screw Sequence

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Assemble engine.