First you should have the cooling system pressure tested to locate the coolant leak, if there is a problem in the heater system you should smell coolant in the cabin. Have the pressure test done to resolve the coolant loss first, and as regards to the Jag coolant if it is a concentrated mixture, your system may be well over the acceptable Ph balance recommended, have it checked and adjusted as required as it may be detrimental to your system.
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Tuesday, November 9th, 2010 AT 9:30 PM