Originally Posted by
glover
Hi. I did not bleed the brakes. Pushing the calliper pistons back in I assumed that no air would enter. I merely took the cap off the fluid reservoir to allow fluid movement, which did rise as a result of the newer thicker brake pads. Do you think air could have been entrained somehow and that bleeding could rectify the problem?
Be sure to use low viscosity Dot 4 brake fluid that is what is recommended for the system that is in our cars, and you should never expose the brake fluid reservoir to the air for any length of time because it will absorb moisture from the air and lower its boiling point.