11 53 015 Removing and installing or replacing heat management module (B48B)

Necessary preliminary tasks: 

• Remove ACOUSTIC COVER AT FRONT 
• Drain COOLANT

Removal: 

Vehicles with manual gearbox: 

Unlock and disconnect the connector (1).

Unlock and pull off coolant hoses (2 and 3).

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Vehicles with automatic transmission/hot country variant: 

Unlock and disconnect the connector (1).

Unlock and detach coolant hoses (2 to 4).

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Undo bolts in sequence (6 to 1).

Fig 1: Heat Management Module Bolts Loosening Sequence

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Remove heat management module (1).

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Installation: 

Clean sealing faces (1 and 2).

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Parts:  Replace profile seal (1) and O-ring (2).

Vehicles with manual gearbox: 

Replacement:  Remount retainer (3).

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Position heat management module (1).

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Tighten down bolts in sequence (1 to 6).

Tightening torque 11 53 3AZ .

Fig 2: Heat Management Module Bolts Tightening Sequence

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Vehicles with manual gearbox: 

Lock coolant hoses (2 and 3) and connect to the heat management module.

Connect the connector (1).

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Vehicles with automatic transmission/hot country variant: 

Lock coolant hoses (2 to 4) and insert on the heat management module.

Connect the connector (1).

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Required reworking: 

• Add COOLANT
• Install ACOUSTIC COVER AT FRONT