11 71 100 Removing and installing/renewing exhaust-gas recirculation cooler (N47)

Necessary preliminary work: 

• Remove acoustic cover at front.
• Drain COOLANT .

Release screws (1).

Installation note: 

Replace gasket.

Tightening torque: 11 61 2AZ .

Fig 1: Exhaust-Gas Recirculation Cooler And Screws

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Loosen screws (1) on exhaust manifold.

Installation note: 

Grease screws with ASSEMBLY PASTE 4.2 .

Tightening torque: 11 71 1AZ .

Fig 2: Exhaust Manifold 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: Loosening Electric Changeover Valve Retaining Clip

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

Fig 4: Releasing Coolant Lines From Exhaust-Gas Recirculation Valve

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Release screw (1).

Tightening torque: 11 00 4AZ .

Fig 5: 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: Pipe Neck On EGR Cooler And Screw

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Fig 7: Exhaust-Gas Guide Module Screws Sequence

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Note screw sequence at the exhaust-gas guide module.

Screwed connections in sequence (1 to 5).

Assemble engine.