Brake issue's

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Dec 19, 2009 | 03:17 PM

gearhead351

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Joined: Dec 2005

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Brake issue's

Hey guys, I have a 1990 F350 4x4.

My problem is that my brakes are soft no matter what I have done.

New booster, new master cylinder, new pads, new rotors, new drums, new shoes and adjusted all the way out. I think Im gonna go get another cylinder.

I have bleed this thing over and over. I Do driver rear, passenger rear, passenger front and then driver side, then the RABS on the frame.

There is no air anywhere I can find! I had about half pedal for a long time and it stopped really good. But now the pedal is heading south again, and its barely above the floor . .

I can't find the problem here, I also tried taking the spring out the the RABS unit cause I heard the spring gets weak. Helped a little . .

Any ideas appreciated!

Thanks, matt

Dec 20, 2009 | 04:09 AM

Lazy K

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Joined: Jan 2005

Posts: 8,402

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The bleeding sequence is wrong. The manual says right rear, left rear then RABS module then right front, left front. Some guys like to bleed the RABS module first, before the rears.