1997-2006 Expedition & Navigator 1997 - 2002 and 2003 - 2006 Ford Expedition and Lincoln Navigator Discussion

Change pads now soft brake pedal

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Old 05-06-2006, 02:44 PM
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Change pads now soft brake pedal

allright, what the.....
I put on new pads on my 04 EB with 30k miles, didnt open the brake lines, just pushed the cylinders back on the calipers to fit in new pads, everything went back well but now the brake pedal is soft...
I have done this a million times in other vehicles...whats going on??
I didnt open up the system so I doubt air got in, I have never had to bleed brakes before unless I open up the lines.....
 
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Old 05-06-2006, 08:53 PM
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did you take off the master cylinder cap for the fluid to escape? if yes is it low now? if not check into pricing for a antilock valve and or master cylinder replacement.
 
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Old 05-07-2006, 06:47 AM
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Originally Posted by Big Craig
did you take off the master cylinder cap for the fluid to escape? if yes is it low now? if not check into pricing for a antilock valve and or master cylinder replacement.
fluid level is fine, cap never came off. This is an '04, are you serious about those parts going bad because I changed the pads?
 
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Old 05-07-2006, 06:31 PM
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I don't think you are suppose to push the cylinders back in with the reservoir cap still on. You can break a seal or something. I always take the cap off, and slowly push the cylinders in. As the above said you may loose some fluid out of the reservoir.
 
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Old 05-07-2006, 07:29 PM
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Kiosk, it is perfectly ok on ABS vehicles to back press your calipers so you do not have to bleed the system when done, however you HAVE to remove the master cylinder cap to allow the fluid being pushed back somewhere to go.

If you are lucky maybe you can try to bleed the brakes in the pattern the mtx manual calls for, there is a specific pattern to do this, do not just do the fronts then rears or visa versa like with old cars you have to do a certain wheel at a time to avoid getting air in the ABS module.

I do not have my manual here with me, if you need the pattern get a chiltons or email me tomoro for some help.
 
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Old 05-07-2006, 08:32 PM
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That happened to me when I changed my pads, I did mine around 30k as well. I read somewhere that the pads need to break in with the rotors, since I didn't turn or replace the rotors (they were fine). I went on back roads and rode the brakes for a few hundred feet, then let them cool, did it again, and let them cool. Along with pumping the brakes at a stop, and doing a few hard stops. Now my brakes work just like new.

I did remove the reservoir cap, and it did overflow, but I put rags around to catch the fluid.
 
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Old 05-07-2006, 08:52 PM
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It might be that you have dirt/water/whatever in the brake fluid. I have found that flushing out the lines makes the brakes feel a LOT better. Try that out and let us know how much it helps/
 
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Old 05-08-2006, 06:29 AM
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Originally Posted by daveplot
That happened to me when I changed my pads, I did mine around 30k as well. I read somewhere that the pads need to break in with the rotors, since I didn't turn or replace the rotors (they were fine). I went on back roads and rode the brakes for a few hundred feet, then let them cool, did it again, and let them cool. Along with pumping the brakes at a stop, and doing a few hard stops. Now my brakes work just like new.

I did remove the reservoir cap, and it did overflow, but I put rags around to catch the fluid.
we like you, mine are also ok now after driving for a bit, so I guess they had to "break-in" as well.
Sorry I said I didnt remove the reservoir cap, which I didnt, but I did loosen it up so air could scape.
 
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