changing brake fluid?
#1
changing brake fluid?
I've siphoned the brake fluid out of the plastic resevoir and then filled with new fluid. Is this an effective method of replacing the brake fluid(multiple times) without the hassle and risk of bleeding and possibly getting air in the system?
#2
Copy & Paste Moderator
No, replacing the fluid in the reservoir is only step one. You still need to bleed the system until new fluid flows out of the bleeder screws at all four wheels (don't let the reservoir run dry though and make sure its full when complete). Otherwise you are only doing half the job.
And what do you mean by "multiple times"? Did you change the fluid in the reservoir multiple times without bleeding? If so, unfortunately you aren't accomplishing much.
And what do you mean by "multiple times"? Did you change the fluid in the reservoir multiple times without bleeding? If so, unfortunately you aren't accomplishing much.
#7
Copy & Paste Moderator
Originally Posted by pwrtrip75
Just out of curiousity why would you change the brake fluid? Especially in this new of cars? Seems like changing the air in the tires to me.
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#8
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Originally Posted by pwrtrip75
Just out of curiousity why would you change the brake fluid? Especially in this new of cars? Seems like changing the air in the tires to me.
Brake fluid absorbs water. Over time you will get water in the system, and it ends up corroding/rusting the inside of the calipers, requiring new calipers. Flushing the brakes periodically is good preventative maintenance, especially considering dot3 is very cheap.
I just did new rotors on my car and flushed my brakes for the first time, 2002 ss with 37k miles. The color of the brake fluid out the rear calipers was black and nasty. That doesn't mean the brakes won't work, but they will fail and require maintenance/repair sooner than later if the brake fluid in the calipers get contaminated with water/moisture or dirt/dust. The caliper piston seals will also fail sooner.