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Abstract: This article describes how to bleed cooling system on R56 MINI N12 engine

Applies to: MINI Cooper N12 engine: 2007-2010

Filling and bleeding cooling system

  • Before filling, turn on ignition and set heating control to maximum temperature.
  • Set fan to sow setting.
  • Pour in coolant slowly. - Observe filling capacities and mixture ratio.

The cooling system is vented during filling.

  • Release vent screw located on thermostat housing.
  • Pour in MINI coolant through expansion tank filler neck until bubble-free coolant emerges at vent screw.
  • Close vent screw. Tightening torque 2 Nm (1.4 ft-lb)
  • Continue topping up coolant in expansion tank to maximum level.
  • Start engine and run at idle speed.
  • If the level drops, top up coolant until the level no longer drops.
  • Switch off engine and if necessary top up coolant to max. level.
  • Close expansion tank.
  • Check cooling system for leaks

Before Performing any Work

Please read Warnings & Cautions before proceeding with any work on your vehicle

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How to bleed cooling system, MINI Cooper R56 N12 Engine

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