Just completed my annual full brake service, comprising of stripping out pads clean up, exercise the pistons in their bores plus lube up and reassembly...my indy bled the brakes out when it went in for MOT a few weeks ago and the brakes are superb.
However, very glad i did the service because on both sides front one of the 4 pistons was semi seized, requiring fair brake pedal pressure with engine running to free those stuck pistons, i've now lubed them by feeding the correct red brake grease inside the dust covers and putting them through the extent of their travel in the bores several times, i shall repeat that before next winter.
Why i'm putting this thread up, it was the same piston seizing each side, namely the lower piston on the inside of the caliper, engine side, obviously this is the one that gets the salty water the most, take note chaps and check yours are all free moving before it costs you a pair of calipers.
The other pistons were free moving as were the rears.
However, very glad i did the service because on both sides front one of the 4 pistons was semi seized, requiring fair brake pedal pressure with engine running to free those stuck pistons, i've now lubed them by feeding the correct red brake grease inside the dust covers and putting them through the extent of their travel in the bores several times, i shall repeat that before next winter.
Why i'm putting this thread up, it was the same piston seizing each side, namely the lower piston on the inside of the caliper, engine side, obviously this is the one that gets the salty water the most, take note chaps and check yours are all free moving before it costs you a pair of calipers.
The other pistons were free moving as were the rears.