Brake fluid flush capacity
Thread Starter
Racer
Joined: Aug 2013
Posts: 358
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From: Brigantine NJ USA
Brake fluid flush capacity
1969 SB, manual brakes
Doing some winter maintenance.
How many ounces do you remove at each caliper to flush the entire brake fluid system?
Tips and/or thoughts are welcomed.
Regards
Rick
Doing some winter maintenance.
How many ounces do you remove at each caliper to flush the entire brake fluid system?
Tips and/or thoughts are welcomed.
Regards
Rick
Race Director
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From: Sunshine Coast, Queensland, Australia
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Cruise-In VIII Veteran
Remove 99.7 percent of the brake fluid from the master. Pick up 2 quarts of brake fluid, run about 1/4 of a quart or so out of each caliper. Using up about a quart and a half to do the whole job.
Safety Car
Joined: May 2001
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From: Fairfax Virginia
I will flush the brakes until the color changes in the brake fluid. But then I push the fluid up to the master cylinder and remove the excess as it gets there. I just find that pushing the air up and out is easier than forcing the air to go down. The Phoenix Reverse Bleeding System is a well designed system that allows me to do all the brake maintenance myself. I have several name brand brake bleeding tools and they are all gathering dust and breaking down from lack of use. Once you use the Reverse Bleeder it is hard to use anything else.
While bleeding the system be sure to tap lightly on the calipers to get them to release the air bubbles inside. I also tap on the brass blocks used in the brake system. The little bubbles will get loose and go on up and out with the old brake fluid.
Considering that we are supposed to Flush the fluid every five years it is important that you find a system that works for you. I also use a high quality brake fluid and after 5 years the difference in color makes it easy to se when the new fluid is there.
While bleeding the system be sure to tap lightly on the calipers to get them to release the air bubbles inside. I also tap on the brass blocks used in the brake system. The little bubbles will get loose and go on up and out with the old brake fluid.
Considering that we are supposed to Flush the fluid every five years it is important that you find a system that works for you. I also use a high quality brake fluid and after 5 years the difference in color makes it easy to se when the new fluid is there.
Melting Slicks
Joined: Oct 2003
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From: Chapel Hill NC
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I always struggle with this. I usually cant tell the difference in the color of old vs new fluid and the passenger side rear is going to take more fluid than the drivers front. Since brake fluid is relatively inexpensive I error on the side of caution and wait until my collector jar is almost full which is probably 8 ounces.
Several years ago you could buy ATE brake fluid in blue or amber. Id alternate colors when flushing making it very easy to tell when the old was out. Unfortunately DOT banned blue brake fluid i think in 2013.
Several years ago you could buy ATE brake fluid in blue or amber. Id alternate colors when flushing making it very easy to tell when the old was out. Unfortunately DOT banned blue brake fluid i think in 2013.
Thread Starter
Racer
Joined: Aug 2013
Posts: 358
Likes: 22
From: Brigantine NJ USA
Color fluid would have been nice.
I was thinking to do gravity bleed, I will have to look into Phoenix Reverse Bleeding System. I remember reading right rear, then left rear, then right front, lastly left front, so more out of the farthest. So maybe 16oz out of farthest
I was thinking to do gravity bleed, I will have to look into Phoenix Reverse Bleeding System. I remember reading right rear, then left rear, then right front, lastly left front, so more out of the farthest. So maybe 16oz out of farthest
Drifting
Joined: Nov 2007
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From: New York
I always struggle with this. I usually cant tell the difference in the color of old vs new fluid and the passenger side rear is going to take more fluid than the drivers front. Since brake fluid is relatively inexpensive I error on the side of caution and wait until my collector jar is almost full which is probably 8 ounces.
Several years ago you could buy ATE brake fluid in blue or amber. Id alternate colors when flushing making it very easy to tell when the old was out. Unfortunately DOT banned blue brake fluid i think in 2013.
Several years ago you could buy ATE brake fluid in blue or amber. Id alternate colors when flushing making it very easy to tell when the old was out. Unfortunately DOT banned blue brake fluid i think in 2013.
Not sure if it’s true, but they said with the blue color you couldn’t tell if your brake fluid is dirty.
Back to your original question, I think ctmccloskey is right on. You can tell when the fluid runs clear.
