Cooper S (R53) L4-1.6L SC (W11) (2004)
Release vent screw (1) in top coolant hose.
Venting takes place during filling.
Add Coolant:
Fill coolant through expansion tank (1).
Tighten vent screws when coolant exits.
Expansion tank retaining nut
M6 ....................................................................................................................................................................................................................... 5 Nm
Fill expansion tank to maximum level.
Start engine and allow to idle, top up expansion tank when level drops.
Continue to run engine, until the level ceases to drop.
Switch off engine.
Top-up expansion tank to max.
Note: Before filling, turn on ignition, set heater control to maximum temperature.
Set fan to low speed.
Perform filling operation slowly.
Use only recommended coolant.