11 51 028 Removing and installing/replacing auxiliary coolant pump for exhaust turbocharger

Recycling 

Coolant emerges when coolant lines are detached. Have a suitable collecting vessel ready.

Catch and dispose of emerging coolant.

Observe country-specific waste disposal regulations.

Necessary preliminary work: 

• Refer to REMOVING FRONT ACOUSTIC COVER .
• Refer to DRAINING COOLANT .

Removal: 

Unlock and detach coolant hose (1).

Unlock and disconnect connector (2).

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Loosen screws (1) and remove coolant pump (2).

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Replacement: 

Slacken nut (1).

Remount holder (3) from the coolant pump (2).

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Installation: 

Position coolant pump (2).

Tighten down screws (1).

Tightening torque 11 51 6AZ .

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Connect connector (2).

Lock and connect coolant line (1).

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Required follow-up work: 

• Refer to ATTACHING FRONT ACOUSTIC COVER .
• Refer to FILLING COOLING SYSTEM .