Coolant System Drain and Refill
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2008 MINI Cooper, 2007 MINI Cooper, 2006 MINI Cooper, 2005 MINI Cooper, and 2004 MINI Cooper. However, it is still accessible from the selected car via links, so may be relevant.
Performed every 4 years.
- Remove pressure cap.
- Remove lower hose from radiator, and heater hoses at bulkhead. Use caution when coolant is hot.
- Reinstall hoses after coolant has drained.
- Open the coolant bleed screws in the upper hose and the heater return hose (Protect generator).
- Fill engine with coolant (50/50 Mix) through thermostat housing (Expansion tank in COOPER S).
- Close bleed screws when air free coolant flows.
- Continue to fill through thermostat housing (or Expansion Tank).
- Fill expansion tank to "MAX".
- Start engine and run at idle. Top up coolant as necessary.
- Turn off engine and install pressure cap.