HI ,CAN ANYBODY HELP ME ,I AM DRIVING A GALAXY TDI ,YESTERDAY GOING UP A HILL IT STARTED OVERHEATING ,STOP LIGHTS CHECK COOLANT ETC .TOPPED UP COOLANT FINE ON TICK OVER BUT OVER HEATS WHEN ENGINE IS LOADED,HEATER STOPPED WORKING AS WELL .REMOVED THERMOSTATE STILL NO HEATER STONE COLD ,BOT TEMP SEATS AT 90 STILL .BOTTOM HOSE DRIVERS SIDE STONE COLD AS WELL AS HOSE COMING FROM THERMOSTATE HOUSING ,ANY IDEAS ,SPACECOWBOY.