Coolant Level Sensor 200/ZR
Cooling system did not need being drained, just syphoned out, then replaced with the new coolant tank. Reed sensor connector can be seen here..
With various aspects of servicing, maintenance, including driver assisted features and vehicle monitoring. For our 1996 Rover 200 and the 04 ZR 120+
About features, and driver notifications on our MG-Rover Information Pages
Having installed a coolant low level warning sensor into the 200 several years ago, then transferred into the MG during 2010, its been trouble free over many years, and a good safety feature. That activates an instant audible warning, as coolant should drop to a level more than below the specified minimum safety mark..
Cooling system did not need being drained, just syphoned out, then replaced with the new coolant tank. Reed sensor connector can be seen here..
Coolant Tank RPCF000160 Sensor RPCJ000040. peizo buzzer and the Optional dashboard 'bulb' an easy fit but not really required.
In any event, a reasonable amount of coolant would still be in circulation, allowing time to park up and investigate. Visual checks on coolant level, are still carried out. With other routine vehicle checks. A manual activation test mode, is removing coolant cap on a 'cold engine' and holding down the internal magnet.
Information is referenced only to our 1996 Rover 200 and 2004 ZR 120+