BMW X3 Service & Repair Manual: Replacing changeover valve for independent/auxiliary heating

BMW X3 Service & Repair Manual / HVAC / Auxiliary. heater with control elements / Replacing changeover valve for independent/auxiliary heating

WARNING: Risk of scalding! Only perform the following repair work on an engine that has cooled down.

FOLLOW NOTES FOR REPAIR WORK ON COOLING SYSTEM .

NOTE: DISCONNECT coolant hoses from changeover valve for independent/auxiliary heater.

Necessary preliminary tasks:

REMOVE FRONT LEFT WHEEL ARCH COVER

Removal:

Release screws (1).

Disconnect fuel line (2).

HVAC

Release screws (1).

Unclip the fuel line (2).

Detach the holder (3).

HVAC

IMPORTANT: Risk of damage! Observe coolant through flow direction, mark coolant hoses before removing.

NOTE: If necessary, catch escaping coolant.

Unlock and disconnect the connector (1).

Release hose clips (2) and detach coolant hoses (3).

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Release screws (4).

Remove changeover valve for independent/auxiliary heating (5).

Installation:

Replacement:

Release screws (1).

Remove holder (2) from changeover valve for independent/auxiliary heating (3).

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Position changeover valve for independent/auxiliary heating (5) correctly.

Tighten screws (4).

Attach coolant hoses (3) correctly and secure with spring band clamps (2).

Connect the connector (1).

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Position the holder (3) correctly.

Tighten down the screws (1).

Clip in the fuel line (2).

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Tighten down the screws (1).

Connect fuel line (2).

HVAC

Required reworking:

INSTALL FRONT LEFT WHEEL ARCH COVER
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