1997 F250 ,Rear anti-lock or 4 wheel anti-lock? - Ford Powerstroke Diesel Forum
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Old 01-12-2010, 06:21 PM
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1997 F250 ,Rear anti-lock or 4 wheel anti-lock?

I am replacing the front rotors and pads. I am buying the parts and paying someone to change them. I went to the parts store and they said that my model has both a 4-wheel and a rear-wheel anti-lock brakes option.
On one occasion, I slammed on the brakes and felt the backs lock up and then release. I assume I have rear only.

The parts store told me that there would be teeth on the back of the rotor, but I don't want to take it off to check unless I absolutely have to. Is there something in the VIN, on the engine compartment, sticker on the door that will help me?

I bought the rotors for rear-wheel anti-lock and if it indeed has 4-wheel, I return them and pay the difference.

I have a 1997, F250 Crewcab, 2WD, Powerstoke, XLT.

Can anyone help me?
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Old 01-13-2010, 11:06 AM
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You haven't any anti lock at all, what we have is a Rab's valve..in a panic stop all it does is just as you get close to stopping it will dump the pressure to the rear brakes causing the truck to jump forward..F*** ford idiot engineers
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Old 01-13-2010, 08:05 PM
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Quote:
Originally Posted by caryt View Post
You haven't any anti lock at all, what we have is a Rab's valve..in a panic stop all it does is just as you get close to stopping it will dump the pressure to the rear brakes causing the truck to jump forward..F*** ford idiot engineers
RABS=(R)ear (A)nti-lock (B)rake (S)ystem
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Old 01-14-2010, 05:49 AM
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I assume I have RABS, is there anywhere I can confirm that is what I have on my truck, as opposed to 4-wheel ABS?
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Old 01-14-2010, 05:58 AM
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yes you can on the frame rail under the drivers side floor board there is a valve bolted to the frame with brake lines going in and out. If you had four wheel abs there would be a wire in the front following the brake hose down to behind the front rotor . Hope this helps
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Old 01-14-2010, 08:16 AM
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If I remember the only OBS units that had 4 wheel ABS were broncos. Everything else was rear antilock.
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Old 01-14-2010, 08:45 AM
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Quote:
Originally Posted by tftimm View Post
I assume I have CRABS, is there anywhere I can confirm that is what I have
Really??
Sorry, I just misread that and thought I would have a little fun.

Quote:
Originally Posted by alberta 7.3 View Post
If I remember the only OBS units that had 4 wheel ABS were broncos. Everything else was rear antilock.
You sir are correct. Every OBS Ford I have had, or been around has been RABS
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Old 01-14-2010, 04:27 PM
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I don't care what the idiots at Ford called it it isn't antilock...unless you think loosing ALL rear braking is antilock
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Old 01-14-2010, 04:49 PM
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I've driven countless Fords with rear antilock with no problems. There might be some problem with the module or the valve on your truck which the self test isn't detecting.
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Old 01-14-2010, 07:38 PM
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The ABS light on the dash has been on since before I bought my truck. She'll lock right up, but my first rig was a 69 Scout with manual drum brakes all around. Not having ABS is no big loss to me. I just need to unhook that light, or put a piece of electrical tape over it.
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