Question

technician a says the caliper piston seal prevents leakage of brake fluid between the cylinder bore and the piston. technician b says the caliper piston seal does not contribute to the pistons automatic adjustment feature. who is correct?

select one:

a. a only
b. b only
c. both a and b
d. neither a nor b

clear my choice

Explanation:

The caliper piston seal indeed prevents brake fluid leakage between the cylinder bore and the piston (so Technician A is correct). Also, the caliper piston seal does contribute to the piston's automatic adjustment feature (so Technician B is wrong).

Answer:

a. A only