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R(abs) issuses

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Old Feb 23, 2019 | 11:31 AM
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R(abs) issuses

Hey my 1996 f350cc works great!
But when i start the car my abs light goes black as it shoud but when i driven like 100meters it comes on and stays on. Ive changed the abs sensor for a new one but no different... Ive tried grounding out the abs tester with no result.. Dont know What to do anymore

Btw im from sweden so my english aint great!
 
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Old Feb 23, 2019 | 11:39 AM
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From: Easton,Ks
Does your speedometer work OK?
If so why would you change out the abs sensor?
 
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Old Feb 24, 2019 | 01:46 AM
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Does the red light that says "brake" also come on?
 
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Old Feb 24, 2019 | 06:29 AM
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Originally Posted by subford
Does your speedometer work OK?
If so why would you change out the abs sensor?
It would wiggle a bit when i hit 40 and above. A new sensor only made it wiggle more.
 
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Old Feb 24, 2019 | 06:30 AM
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Originally Posted by BS51993
Does the red light that says "brake" also come on?
Only if i have had my foot on the brake for like 5 min
 
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Old Feb 24, 2019 | 11:49 AM
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I'd say its your rabs module on the drivers side frame.
 
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Old Feb 24, 2019 | 12:05 PM
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From: Easton,Ks
Most likely bad bearings in the rear end.
The RABS module is not on the drivers side frame.
It is located behind the Right Hand side of the I/P, behind glove compartment.
 
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Old Feb 25, 2019 | 01:45 AM
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Originally Posted by Rasmus104
Only if i have had my foot on the brake for like 5 min
Have you already checked the fluid? Both lights trigger when fluid is low. Always start with the basics.
 
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Old Feb 25, 2019 | 07:48 AM
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The RABS module is not on the drivers side frame.
It is located behind the Right Hand side of the I/P, behind glove compartment.
I think he is referring to the RABS valve or actuator, not the module.
 
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Old Mar 15, 2019 | 06:53 AM
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Originally Posted by subford
Most likely bad bearings in the rear end.
The RABS module is not on the drivers side frame.
It is located behind the Right Hand side of the I/P, behind glove compartment.
Out of curiosity, how would bearings trigger it? I'm also getting the simultaneous brake/ABS lights on my '94, despite swapping out the differential sensor. The problem occurs randomly with often no interaction with the brakes.
 
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Old Mar 15, 2019 | 07:15 AM
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Originally Posted by Mike-94-F150-XLT
Out of curiosity, how would bearings trigger it? I'm also getting the simultaneous brake/ABS lights on my '94, despite swapping out the differential sensor. The problem occurs randomly with often no interaction with the brakes.
I found out that just a little bit of sanding around wher the speed sensor sits and cleaning the anti seize awey from the sensor made it good again.
I mean if u take a millimeter awey from the sensor it gets close to the ring gear and mine went working again
 
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Old Mar 15, 2019 | 07:16 AM
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From: Easton,Ks
Originally Posted by Mike-94-F150-XLT
Out of curiosity, how would bearings trigger it? I'm also getting the simultaneous brake/ABS lights on my '94, despite swapping out the differential sensor. The problem occurs randomly with often no interaction with the brakes.
Sounds more like you have a problem at the master cylinder.
But answer your question with worn bearing in the rear end as the oil gets warmer and thinner the tone ring can open the gap to the VSS.
 
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Old Mar 15, 2019 | 08:36 AM
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From: GA
Originally Posted by Rasmus104
I found out that just a little bit of sanding around wher the speed sensor sits and cleaning the anti seize awey from the sensor made it good again.
I mean if u take a millimeter awey from the sensor it gets close to the ring gear and mine went working again
Thanks for the info.

Originally Posted by subford
Sounds more like you have a problem at the master cylinder.
But answer your question with worn bearing in the rear end as the oil gets warmer and thinner the tone ring can open the gap to the VSS.
With nearly 300K on the truck and the original rear end, I hadn't thought of checking that. Thanks.



 
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