29-08-2013, 03:20 PM
Yep buggered rad cap or the neck on the bottle on the rad. The neck on mine is shagged and does the exact same. Never bothered me.
Team Eaton
1999 China Blue 306 GTi6 - Eaton Supercharged - 214.5bhp 181lbft
1999 China Blue 306 GTi6 - Eaton Supercharged - 214.5bhp 181lbft