Hi, my name is XXXXX XXXXX I can assit you with this. Are you working on the front or the rear calipers? Let me know I see you are off line....
I am working on the rear brake calipers. I removed from one side, but was not able to compress the piston to install new pads and rotors. I saw that there were two slots on the piston head and I used needle nose pliers to rotate the piston. It did start to compress while doing this. The problem is the rubber boot sealing the piston tore when I did this. I did not know if the piston had to be orientated correctly to compress, or if the parking brake lever has to have the right orientation. I tried to change positions of both the park brake lever in the caliper and the piston and compress, but had no luck.
The tool will colapses the caliper and rotates it at the same time( must have been a mad engineer that figure that one out.) This should solve the problem for you.
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Thanks and God bless.
Thanks for the advice. I will get the tool. The picture really helped.