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86-95 Trucks & 4Runners 2nd/3rd gen pickups, and 1st/2nd gen 4Runners with IFS

2wd on a 4wd Rear ABS Speed Sensor???

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Old May 13, 2013 | 01:44 PM
  #1  
jeremy240's Avatar
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From: Fayetteville, AR
Mods please delete

MODERATORS! PLEASE DELETE, this is no longer active

Thanks! SORRY for the mess up

Last edited by jeremy240; May 15, 2013 at 04:28 AM.
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Old May 13, 2013 | 01:52 PM
  #2  
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I've never heard of the speed sensors being at the wheels. I've only seen them on the rear diff. Maybe if your vehicle has/had 4-wheel ABS they were at each wheel?
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Old May 13, 2013 | 02:20 PM
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Note at the top of each picture it says what its for either 4wd or rwd

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Or does this mean I just have rear wheel anti lock brakes, and not 4 wheel antilock brakes? am I just retarded or what?! LOL

anyways, anyone have a tip on how to pop this sucker out?

Last edited by jeremy240; May 13, 2013 at 02:22 PM.
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Old May 13, 2013 | 03:58 PM
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Actually, your diagrams specify "rear wheel ABS" vs "4-wheel ABS." They don't say anything about RWD or 4WD, and the two don't have anything to do with each other.

I have no idea how to remove the sensor, but what do you plan to do when you get the sensor out? What are you going to look for by "inspecting" it?

There is an FSM method to check the sensor http://personal.utulsa.edu/~nathan-b...19speedsen.pdf . Unfortunately you'll need a battery-powered oscilloscope for the second test. Note that neither test requires removing the sensor (indeed, the oscilloscope test requires that it be installed).
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Old May 13, 2013 | 04:19 PM
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I read somewhere, can't remember where that if its faulty you can just pop it out and clean it sometimes...either way i also have another parts truck i bought and its got one and no rear abs light on, so i'm sure its fine, i guess i'll check the ohms on it and see, but probably will need to replace it...i was just trying to get it out mainly to replace it. just that thing is tight

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Old May 13, 2013 | 05:18 PM
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Well, I just broke it in half, now part of it is stuck...I guess i'll try an easy out and see if that will pull it out...not sure what to do, other than pulling the front panel off and pushing it out from the inside...any ideas? and i tested the ohms and it read bad...good thing i have another one, just not sure how to remove the broke one...
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