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Old Sep 17, 2010 | 05:47 PM
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Brakes

I have installed to brake pads on the disc brakes on the front and new brake shoes and drums on the rear. The truck has an ABS system.

I have bleed the brakes using the normal method of pumping and also the vacuum method and still have a soft squishy brake peddle.

What next?
 
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Old Sep 17, 2010 | 06:08 PM
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welcome to fte. please tell us a little about your truck, so we can help. what year, motor, trans, 150, 250, etc.
 
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Old Sep 21, 2010 | 01:47 PM
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it is an F350 1997 5.8 liter five speed with ABS system on rear brakes only. There is a lot of air build up in the ABS.
 
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Old Sep 21, 2010 | 01:48 PM
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Originally Posted by dustybumpers
welcome to fte. please tell us a little about your truck, so we can help. what year, motor, trans, 150, 250, etc.
It is an F350 5.8 Liter five speed with ABS system on rear brakes only. Can not get the air out of the ABS system.
 
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Old Sep 21, 2010 | 01:49 PM
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could be stretchy brake hoses. do you know the last time those were replaced?
 
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Old Sep 21, 2010 | 01:53 PM
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There is only one rubber hose on the system and that goes from the splitter block for the front disc brakes. The front disc brakes do not have any air bubbles. I have isolated it to that ABS system. When I bleed it there is so much air in that thing it looks like foam coming out of the bleeder valve.

I don't know where the air is coming from.
 
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Old Sep 21, 2010 | 04:04 PM
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From: Calverton
Originally Posted by arnb
I have installed to brake pads on the disc brakes on the front and new brake shoes and drums on the rear. The truck has an ABS system.

I have bleed the brakes using the normal method of pumping and also the vacuum method and still have a soft squishy brake peddle.

What next?

Did you also bleed the rear ABS unit that is mounted on the drivers side frame rail...follow the rear line forward, it is just aft of the exhaust manifold drivers side pipe, and has a bleeder screw forward on it
 
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Old Sep 22, 2010 | 10:50 AM
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I have bled the ABS unit. That is where the problem is. There is so much air in that thing the fluid looks like foam.
 
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Old Sep 22, 2010 | 12:17 PM
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brakes

I have bled the ABS system. However, there is so much air that the fluid coming out of the bleeder valve looks like foam. I have no idea where the air is coming from. All of the connections are tight.

Thanks
 
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Old Sep 22, 2010 | 04:37 PM
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try bleeding the master cyl 1st, then the shortest to longest lines, you may have an air bubble in the master cyl that won't push out
 
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