IT IS BEST TO DRAIN TOP UP ONCE YEAR . AND IT DOESNT REALLY MAKE NO DIFFRENCE IF YOU TOP UP OR GO OVER THE LINES ON EXPANSION TANK AS THESE BOTTLES HAVE A PIPE THAT WILL RELEASE IF TO MUCH THERE IS A OVERFLOW PIPE
FOSBERRY
February 2007
Just top it up.
Gary
May 2006
I can answer this question...
do i need to drain the remaining coolant in my mondeo or can i top up?
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