Weird braking problem. - Ford Powerstroke Diesel Forum
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Old 03-30-2014, 07:02 AM
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Weird braking problem.

2003 cc, 7.3 dually, 4 wheel abs. Coming to a stop, the truck pulls left, its like one side of abs is trying to kick in and the other side is not and grabbing more. Truck has new brakes, caliper, rotors, pressure bleed several times and correct tire pressure. I'm not getting a abs light either. I think its something to do with ABS but not sure what to look for.

thanks in advance
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Old 03-31-2014, 06:20 AM
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sounds like the slide pins' stuck...
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Old 03-31-2014, 06:27 AM
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I thought so too. I took both sides off and re-greased with synthetic.
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Old 03-31-2014, 06:34 AM
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you did that and still , the calipers' act'n up?
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Old 03-31-2014, 06:53 AM
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I really don't think so, plus they are new. Im still leaning towards ABS or wheel sensor. Drove it yesterday and paid close attention, seems like one tire is trying to lock up and triggering the ABS, but ABS seems to be only engaging on one side
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Old 04-02-2014, 06:46 AM
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I have the exact same problem with my 02 7.3 Excursion. It's in the shop because I cannot figure it out. To start, it pulled left then right when braking. Pulled harder to the left. Replaced calipers, pads, rotors and the rubber brake lines (bled them at least 5x). Still same issue. no its in the shop, they replaced the ABS hydraulic assembly (not sure what the name if it is) and it still does the same thing. Tried switching the calipers and pads to different sides - same thing. Once in a while it will work perfect then it does not.

Its still in the shop and they are having a hard time solving it.

Any ideas would be greatly appreciated...
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Old 04-18-2014, 01:23 PM
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Did you ever figure this out? If so please post what it was.

If not then I would check the thickness of each rotor. If any of them are different then it could cause it to pull to one side... Especially since these trucks are not light.
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Old 04-18-2014, 02:20 PM
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Well it is fixed.

Here is what was done:

Replaced Rotors, Calipers, Brake pads, Brake Lines - Didn't fix it

Replaced ABS Hydraulic system, Brakes were much better but still pulled a little.

Rotated the tires and lowered the pressure to 55 psi from 75.

The truck does have new ball joints and tie rod ends (not fun to do on a 4wd Excursion), everything else in the front end is tight.

I will be doing a lot of towing in the near future, (the issue was really bad when towing a trailer) and will let you know how it handles then.

I am also going to replace the shocks because it does dip a little when braking and it's been 60k since I replaced them last.
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