BMW X3 Service & Repair Manual: Replacing turbocharger coolant pump for auxiliary heating

Special tools required:

• 13 3 010

WARNING: Risk of burning! Repair work on the cooling system may only be carried out when it has cooled down.

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.

NOTE: CLAMP OFF coolant hoses

Necessary preliminary tasks:

• Remove WHEEL ARCH COVER, LEFT

Removal:

Unlock and disconnect the connector (1).

Lift auxiliary coolant pump (2) off of holder (3).

Disconnect coolant hoses (2) with special tool 13 3 010 Release spring band clamps (1) and pull off coolant hoses (2) from auxiliary coolant pump (3).

Installation: Attach coolant hoses (2) on auxiliary coolant pump (3) correctly and secure with spring band clamps (1).

Push auxiliary coolant pump (2) down into holder (3).

Connect the connector (1).

Required reworking:

• Install WHEEL ARCH COVER, LEFT
• Fill and vent cooling system and check for leaks.