ABS Challenge
Thread Starter
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Tuned
Joined: Aug 2015
Posts: 383
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ABS Challenge
Hey guys F350 2001.
Constantly throwing codes for both front wheel's ABS.
Ohm'd out both sensors - same reading
Ohm'd out wires leading to sensors - same reading
Ohm'd out rear diff speed sensor against a new one - same reading.
Pulled front sensor's cleaned and put my fingers in the sensor hole. What should I be able to feel? I'm wondering if the previous owner put non ABS hubs on????
Constantly throwing codes for both front wheel's ABS.
Ohm'd out both sensors - same reading
Ohm'd out wires leading to sensors - same reading
Ohm'd out rear diff speed sensor against a new one - same reading.
Pulled front sensor's cleaned and put my fingers in the sensor hole. What should I be able to feel? I'm wondering if the previous owner put non ABS hubs on????
Logistics Pro
Joined: Oct 2011
Posts: 3,953
Likes: 120
From: Mcdonough, GA
I don't own one (2wd) but I believe the halo ring is actually inside the rotor. Could pull one off and look and see if it's abs or non-abs(if there is such a thing)
Edit: adding picture of 2wd rotor
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Edit: adding picture of 2wd rotor
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Thread Starter
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Tuned
Joined: Aug 2015
Posts: 383
Likes: 0
Dang I thought the sensor sat in the hub, Hell that's easy - i'll do it tomorrow - thanks!!
Thread Starter
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Tuned
Joined: Aug 2015
Posts: 383
Likes: 0
So my rotors aren't like that - they're just standard. Do I assume then that the ABS is driven somehow from the hub with a cogged sections similar to above?? At this point I can only think that someone fitted non ABS hubs. Can you feel the splines via the ABS sensor hole?
Logistics Pro
Joined: Oct 2011
Posts: 3,953
Likes: 120
From: Mcdonough, GA
Disclaimer: i don't have and haven't worked on a 2wd.
The way i understand it the sensor should be mounted so it is just above the halo ring and as the rotor turns the teeth on the ring produces inductive pulses within the sensor. If your rotors don't have halo rings there is no pulse for the sensor.
You keep using the term "hub". I thought 2wd used bearing and race assemblies?
The way i understand it the sensor should be mounted so it is just above the halo ring and as the rotor turns the teeth on the ring produces inductive pulses within the sensor. If your rotors don't have halo rings there is no pulse for the sensor.
You keep using the term "hub". I thought 2wd used bearing and race assemblies?
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Lead Driver
Joined: Jun 2004
Posts: 6,356
Likes: 592
From: Amarillo, TEXAS!
Its still a hub, it just isn't sold as a complete assembly like the 4WD units are. The front rotors are available either with or without the reluctor ring, depending on whether the truck has 2WABS or 4WABS. Checking the rotors to make sure they're the right ones is the logical first step.
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Logistics Pro
Joined: Oct 2011
Posts: 3,953
Likes: 120
From: Mcdonough, GA
learning new things all the time. thanks
