OB brake caliber piston position
#2
Archive Gatekeeper
Rennlist Member
Rennlist Member
Make a ~4" long right triangle with one 20 degree and one 70 degree angle out of a 3x5 card. Lay its hypotenuse across the 'cuts' in the piston face, and rotate the piston until the base of the triangle is perpendicular to the long axis of the caliper.
Right front:
Right rear:
Right front:
Right rear:
#3
Rennlist Member
Thread Starter
Thanks, very helpful. One 928 repair manual I have says the angle is reversed on the rear caliper's piston? Is this true, does it make sense?