For which of the following reasons may it be necessary to disassemble a master cylinder?
a. Increase of brake fluid tevel
b. Replacement of intemal parts
c. Release of fluid pressure in the system
d. Removal of air in the system
Answer: One of the most common reasons why you may have a master cylinder-related spongy brake pedal is worn-out rubber seals. These are important parts of the brake master cylinder