Could only mean its out of adjustment after the replacement so I agree with John----go back to the Specialists
who fitted the new clutch as soon as possible because its up to them to put it right free of charge ???
Hi Peter a big welcome to the club I'm sure you will find us very helpful and friendly
I'm also sure you will enjoy your XF R-SPORT let us know how thing are and we enjoy
photo,s when you have time ??
--- Frank.