Squishy Brakes
Post Fiend
Joined: Feb 2007
Posts: 7,191
Likes: 4
From: Blairsville,Ga
Why yes it could,that needs to be flushed out
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Elder User
Joined: Oct 2007
Posts: 672
Likes: 0
From: NJ
Ok. yeah, it was really dumb. I had someone else turning the wheel while I was watching PS fluid come out. I was like "hmm, this is coming out, but the level isn't dropping." So I added some. Then I realized I was examining the brake resevoir, while the PS was being sucked dry. I wonder why I wouldn't have noticed it until today with the trailer.
Post Fiend
Joined: Feb 2006
Posts: 11,892
Likes: 2
From: Middle Tennessee
Check out fat diesel's writeup on the easy one man flush link here.
I don't think the truck needs to be running to do manually.
I don't think the truck needs to be running to do manually.
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Elder User
Joined: Oct 2007
Posts: 672
Likes: 0
From: NJ
http://books.google.com/books?id=hRm...damage&f=false
page 101 of this has me real nervous. Could I have roasted seals all over the brake system? Sometimes it brakes completely normally, but sometimes it does what I described earlier.
page 101 of this has me real nervous. Could I have roasted seals all over the brake system? Sometimes it brakes completely normally, but sometimes it does what I described earlier.
Post Fiend
Joined: Feb 2006
Posts: 11,892
Likes: 2
From: Middle Tennessee
http://books.google.com/books?id=hRm...damage&f=false
page 101 of this has me real nervous. Could I have roasted seals all over the brake system? Sometimes it brakes completely normally, but sometimes it does what I described earlier.
page 101 of this has me real nervous. Could I have roasted seals all over the brake system? Sometimes it brakes completely normally, but sometimes it does what I described earlier.
FWIW, I was able to suck out most of my MC with my mightyvac and used it to bleed the brakes. It works by itself. I didn't have to pressurize the MC. I am going to flush that thing until it runs completely clear even if it takes 3 quarts to get there.
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Elder User
Joined: Oct 2007
Posts: 672
Likes: 0
From: NJ
OK, so an update. I brought the truck to STS. They said it was the MC, I didn't tell them about the PS fluid. So, I had them replace the MC and flush the system. I got it back today, and when I drove it away it seemed fine at first. No more pedal squish or bypassing. Then, I tested the brakes on an open stretch of road. I hit the brakes hard. The truck stopped, but when I went to accelerate again it felt like I had my foot on the brakes. The truck wouldn't break 5 mph, it was obvious the brakes were still applied. I pulled over, wainted a minute, and it was fine. This repeated 3 times, only on very hard braking, on purpose. I brought it back to STS, they're going to look it over tomorrow AM. Any thoughts?
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jfletcher72
1999 - 2016 Super Duty
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Jun 9, 2010 11:07 PM
