I got one from eBay similar to this http://www.ebay.co.uk/itm/Right-Handed-BRAKE-BREAK-CALIPER-PISTON-REWIND-TOOL-VW-AUDI-GOLF-SEAT-FORD-MAZDA-/310507187975?pt=UK_Hand_Tools_Equipment&hash=item484babaf07
Are you changing the discs? You will need a m14 splined bit to remove the carrier
I got one from eBay similar to this http://www.ebay.co.uk/itm/Right-Handed-BRAKE-BREAK-CALIPER-PISTON-REWIND-TOOL-VW-AUDI-GOLF-SEAT-FORD-MAZDA-/310507187975?pt=UK_Hand_Tools_Equipment&hash=item484babaf07It done the job. Are you changing the discs? You will need a m14 splined bit to remove the carrier