Removing and installing the charge air cooler radiator (S55 engine)

Only perform this repair work after engine has cooled down.

Necessary preliminary tasks: 

• Follow notes for CARRYING OUT REPAIR WORK ON THE COOLING SYSTEM .
• Remove FAN COWL .
• Remove front BUMPER TRIM .
• Remove FRONT PANEL , center

Removal: 

Unlock clamps (1) on air duct (2).

Remove air duct (2).

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Unfasten screws (2).

Remove cover (1).

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Unlock and detach coolant hose (1).

Lift charge air cooler (3).

Unlock and detach coolant hose (2).

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Release lock (2).

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Carefully feed out charge air cooler (1) upwards and remove.

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Installation: 

Carefully feed in charge air cooler (1) downwards and install.

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Connect and lock coolant hose (2).

Feed in charge air cooler (3).

Connect and lock coolant hose (1).

Coolant hoses must audibly snap into place.

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Secure charge air cooler (1) in lock (2).

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Install cover (1).

Tighten down screws (2).

Tightening torque 17 10 2AZ .

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Install air duct (2).

Lock clamps (1) on air duct (2).

Clamps (1) must audibly engage.

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Required follow-up work: 

• Install FAN COWL .
• Install BUMPER PANEL , front
• Install FRONT PANEL , center