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Old 10-04-2009, 07:38 PM   #1
boatingfool
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4 wheel bearings now ABS light....

I just finished rebuilding the suspension on my SVT and I replaced the wheel bearings and right axle (after I stripped the nut).

I purchased a rear set of hubs from Ford (p/n YS4Z-A1034-AA) so I assume they are not the culprits.

I purchased a set of front bearings from C-F-M. The bearings I removed had the plastic ring inboard (towards the sensor). The new bearings had a black plastic ring on one side and a solid metal on the other. So I installed the black ring on the inboard like the old.

Did I install the fronts backwards which is what I suspect? If so, I guess I need to order another set.

Fun.

Vincent


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Old 10-04-2009, 09:25 PM   #2
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The focus wheel bearings have a tone ring internally to them which is how they read wheel speed. I've already accidently installed one backwards and thats what happened to me. I'd probably buy a set of factory bearings. I don't know if aftermarkets have the tone ring in them.
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Old 10-04-2009, 09:51 PM   #3
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Thanks for the info.

6S4Z1215B is what they supplied me. I should have kept the packaging, but I think it was a Ford part thought.

Oh well, I think I will contact C-F-M tomorrow and see what I did wrong.

Thanks,
Vincent
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Old 10-04-2009, 11:16 PM   #4
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Ford parts come in sealed bags with Ford written all over them. That part number looks like a Ford number to me.

I thought that the rings were on the old parts and you had to be sure to put those in there if you had ABS?
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Old 10-04-2009, 11:49 PM   #5
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more than likely the bearings were installed backwards...black side of bearing goes toward the abs sensor..
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Old 10-05-2009, 12:05 AM   #6
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Also note I was sold one of these that they called an oil seal. I found out it's actually said abs ring. Note the black side is actually magnetic. Of course you want that side to face the speed sensor, so more than likely you installed them backwards.
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Old 10-09-2009, 07:19 PM   #7
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OK, I have my right spindle apart now and I did have the black plastic ring towards the ABS sensor.

I also know that the previous bearings were Ford OEM bearings and the new ones direct from Ford are the same.

One side of the bearing has a black plastic ring, the other side is a metal ring. I have disassembled the old bearing and there is nothing special with either side.

The new bearing pack did not come with any additional rings or parts.

So, now what do I do?

Has anyone successfully replaced these wheel bearings? If so, which direction does the black ring go? Which side is the "tone ring"? There are dozens of hits for "Front wheel bearings", but most are referencing suspension rebuilds and rear wheel bearings.

This is driving me nuts.

Thanks for listening and any help is appreciated as I haven't been able to drive this car for over a month.

Thanks,
Vincent
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Old 10-09-2009, 07:41 PM   #8
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My wife's ABS light was on in her van for a while. I changed the brake pads, wiped off the speed sensors, put it all back together, and figured that the ABS light would go off. No such luck. It did go off after I replaced the battery, so you might consider resetting the ECU by removing the negative terminal to see if the light goes away. Apparently, Ford ABS computers don't clear once the condition causing the fault is removed.
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Old 10-09-2009, 08:51 PM   #9
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I tried the battery, but no such luck. Of course I can't drive the vehicle at the moment because I've got the right spindle apart.

If I remember correctly, normally the ABS light comes on when you turn the vehicle on, but goes out after a system check. We have turned the key on and waited a few minutes, but no such luck.

I also tried to check the ABS sensors per the Haynes Manual. AC voltmeter while spinning the wheel, supposed to get 1 to 2 vac, no such luck on any wheel, so either that test is bogus, or I have 4 bad wheels or sensors.

I am begining to really get annoyed at this thing.

Thanks,
Vincent
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Old 10-11-2009, 11:04 AM   #10
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I am going to reassemble the right spindle again today.

I did some reading on the forum and other sites and read somewhere that people have experienced the ABS light if they have driven the car in slippery conditions with the parking brake engaged (rear wheels locked).

After I reassembled the front, I ran it on jack stands so I could listen for the bearing noise I was replacing all the parts to elliminate. Is it possible the running of the front wheels with the rears locked could have caused the ABS light? If so, how does one properly reset the ABS light?

Once I reassemble the car, I am taking it for an alignment. If the ABS light is on, I will continue to drive it until it annoys me enough to buy a tester.

Thanks again for all the help.

Vincent
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