Originally Posted by
**caz**
I had the same with mine last year, the garage tried to tell me that it was the caliper, i told him before he charges me for that i want him to check the brake hose...low and behold its the brake hose that had collapsed and not the caliper, so check that before ya fork out on the caliper

How would a brake hose collapse under pressure?
Easiest way would be to take it to an MOT station with a couple of packs of biscuits and get them to check it for a brake imbalance. Will only take a couple of minutes.