Originally Posted by Newtie
I also just started having the same problem. It just got cold in South Florida the past few days and when it happened the other morning as I closed the door and backed out, I thought something hit me or I hit something!
I am going to print this thread and take it with me when I go to get it fixed.
Yes the noise can give you quite a shock! I've had mine adjusted twice now and it seems to reoccur every six months - possibly due to the British weather.