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Old 01-31-2013, 02:17 AM
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ABS 2004 ford sport trac no codes no light

Hello.. said truck has the abs that as you slow and are almost stopped, starts pulse'n the brakes lightly..
you can slam the brakes on from 55mph no issue, only when under 5mph and stopping slowly, does it play this game..
Wife drives this, and drive the front brakes to metal on metal.. to the point the inner pad backing(piston side) was almost thin enough to leave the building, now when I did them, I cleaned off the abs senders at the wheel off all the metal shavings,, used brake clean on them.. could a few missed shavings or pieces of rust scale cause this.. at low speed..
no abs light or codes .. no check engine light or codes..
any ideas.. didn't do it for a month after I did the brakes, but now it is.. and is a r.p.i.t.a.

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Old 01-31-2013, 10:49 AM
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What you need to do is look at live data for the ABS.
Check the wheel speed readings on all 4 corners . As you slow down look for the one that zeroes before the rest, in other words one wheel will not register when the others are all reading the same.
It is common for a ABS car to do this.
Also remember that default minimum speed reading is like 3 MH.
One of the sensors is dropping the signal at low speed, like 7 or 8 miles an hour.It will be easy to spot on the live data
Fact is stranger than Fiction
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