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Home >> Mini >> 2017 >> Cooper Base, 2D Convertible, Automatic Trans >> Repair and Diagnosis (Single Page) >> Engine Mechanical >> Cooling System (Mechanical) >> Cooling System - Repair (F57) >> 17 11 Engine Oil Cooler With Attachment >> Remove and install/replace the coolant expansion tank (Cooper)

Remove and install/replace the coolant expansion tank (Cooper)

IMPORTANT: Make sure without fail that coolant hoses are correctly routed. Risk of damage due to sharp edges or chafing.

Follow the repair NOTES   on the cooling system - Preliminary work needed: 

Removal:  - Release expanding rivet and remove mounting for gasket (1).

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Unscrew the screws (1).

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Unscrew the screws (1) - Slacken nut (2) - Remove screw (3) - Raise left lock support slightly.

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Remove screw (1) - Unlock and detach coolant lines (2) - Unlock coolant line (3) and detach - Catch and dispose of leakage coolant.

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Release expanding rivets (1) - Release trim panel and place to side.

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Raise left lock support (2) slightly- Raise expansion tank (3) slightly until guide pin (1) is released from guide.

IMPORTANT: Risk of damage!  Make sure the guide pin is not damaged.
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Thread expansion tank (1) out sideways and remove.

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Installation:  - Thread expansion tank (1) in sideways.

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Raise left lock support (2) slightly- Insert expansion tank (3) with guide pin (1) into guide.

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Tighten screw (1) - Tightening torque 17 10 3AZ - Connect coolant lines (2) to expansion tank - Coolant lines (2) must audibly engage - Connect coolant line (3) to expansion tank - Coolant line (3) must audibly engage - Fasten trim panel (2) with expanding rivets (1).

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Tighten down nuts (1) - Tightening torque 17 10 7AZ - Tighten down nuts (3) - Tightening torque 17 10 6AZ - Tighten screw (2) - Tightening torque 17 10 5AZ - Tighten down screws (1) - Tightening torque 17 10 8AZ .

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Join mounting for gasket (1) and secure with expanding rivet.

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Required follow-up work: 

Top up coolant to the appropriate level and VENT  the cooling system.