engine coolant level

[dogcevans]

I have had my jaguar xkr for 5 weeks done 800miles,suddenly engine coolant level low message has started coming up intermittently.I have checked level in resevoir and it seems fine.
Please has anybody else experienced this and maybe suggest a means of rectifying this false alarm.

Regards
Chris EVANS

[avos]

When you turn on the heater to full heat, a electro pump is switched on to circulate the coolant.

Also, when you have a supecharger, the moment you turn on the ignition, but not start the car, the electro pump for the intercooler starts.

[jonywishbone]

I have identical problem on XK8, its a loss of fluid somewhere the garage have replaced gasket in V which supposedly dries out and leaks but have not cured problem since coolant level warning back on during luchtime trip. Any further with your solutions??

[jonywishbone]

There is a Jaguar Technical Service Bulletin Related to this.

It says Check if the captive float, located at the right hand rear corner of the coolant reservoir, is stuck in its lowest position. The float is captive on a tube, which houses the level sensor, attached to the bottom of the coolant reservoir.

3. Use a light to illuminate the interior of the reservoir, and use a long probe to carefully check that the float is free to move.

4. If the float is stuck, or does not move freely, fit a replacement reservoir.