ABS light and soft breaks
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6th Gear
Joined: Feb 2025
Posts: 6
Likes: 2
ABS light and soft breaks
hey all, 1999 F-250 Super-duty...
I'm struggling with a persistent ABS light, months ago i took to Les Schwabs and they could not diagnose an issue, the light remains on. while driving i noticed the light was off, and when i applied the breaks i felt the ABS system firing and had very little breaks then the ABS light came back on. now the pedal has become very soft... when i slam on the breaks the back tires will lock up Front ABS only i assume... ICON CODE reader showed both wheel speed sensors were not getting signal, i replaced both front wheel speed sensors. L side code cleared R did not... ABS light still on. i will replace the R side with a second new sensor. while pumping the breaks with the engine off i get some leakage into the power steering reservoir... noticed dripping from the cap. This has been a somewhat progressive problem and now i have to address it... any thoughts, advice would be much appreciated... i think there is likely more than one issue going on,
I'm struggling with a persistent ABS light, months ago i took to Les Schwabs and they could not diagnose an issue, the light remains on. while driving i noticed the light was off, and when i applied the breaks i felt the ABS system firing and had very little breaks then the ABS light came back on. now the pedal has become very soft... when i slam on the breaks the back tires will lock up Front ABS only i assume... ICON CODE reader showed both wheel speed sensors were not getting signal, i replaced both front wheel speed sensors. L side code cleared R did not... ABS light still on. i will replace the R side with a second new sensor. while pumping the breaks with the engine off i get some leakage into the power steering reservoir... noticed dripping from the cap. This has been a somewhat progressive problem and now i have to address it... any thoughts, advice would be much appreciated... i think there is likely more than one issue going on,
Thread Starter
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6th Gear
Joined: Feb 2025
Posts: 6
Likes: 2
new master cylinder and a good ol fashioned break fluid change/bleeding and BOOM all is right with the world of my truck...
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