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ABS cv joint/axle?


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Galant VR-4 org Post #: 877306 posted 02/24/10 10:57 PM     Remind Me!  Send Private Message   Edit Post      
So, ever since I changed my CV joint (axle) on the front passenger side, my ABS would freak out, so I just unplugged it and have been living without it for quiet some time. A friend of mine commented that I probably didn't get an "ABS axle," which is causing my ABS sensor (vehicle speed sensor?) to freak out.

Is this a possibility? Is there even such a thing as an ABS axle that could cause my ABS to wig out?



Ben
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Barnes
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Galant VR-4 org Post #: 877308 posted 02/24/10 11:00 PM     Remind Me!  Send Private Message   Edit Post      
Certain cars have the splined ring on the axle itself. This is not the case with our cars. The splined ring is behind the hub where the wheel mounts. You should NOT have done anything to affect the ABS. You did not remove the ABS sensor from the hub during the install by any chance? Other possibilities include bumping during install.



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fastasleep
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Galant VR-4 org Post #: 877346 posted 02/25/10 03:40 AM     Remind Me!  Send Private Message   Edit Post      
I may have removed it, and by removed, I mean that I unbolted it from its affixed location to the hub, but reattached it after install. And even then, I replaced it at a later did thinking that I may have damaged it during the axle install, but experienced the same issue.



Ben
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Barnes
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Galant VR-4 org Post #: 877377 posted 02/25/10 09:57 AM     Remind Me!  Send Private Message   Edit Post      
That is your problem right there. You need to readjust it so the clearance is correct. When I replaced my front right hub I never rechecked the clearance. The ABS went nuts and would actuate ANY time I hit the brakes. I'm pretty sure what happened is the sensor is too far away from the ring. The sensor doesn't see anything, figures it is between splines, and thinks the wheel is locked up.

I'm not 100% sure if that is how it works, but I would bet money you just need to adjust your sensor.



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Galant VR-4 org Post #: 877382 posted 02/25/10 10:09 AM     Remind Me!  Send Private Message   Edit Post      
In my experience, I had one of the sensors too far out. The ECU knew that the sensor was "bad" in this case and just put the ABS light permanently on. However, it may be possible to have the sensor out of adjustment just enough to just trick the ecu and cause the problems you are having.

I'm not aware of the adjustment procedure, but when mine was giving me problems I just adjusted it to get as close as I could without ever hitting the splines on the ABS ring.



-Jeff
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fastasleep
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Galant VR-4 org Post #: 877534 posted 02/25/10 06:23 PM     Remind Me!  Send Private Message   Edit Post      
Quoting BarnesMobile:

The ABS went nuts and would actuate ANY time I hit the brakes.




That's exactly what it does.

When it warms up, I suppose I'll jack it up, take the wheel off, and try to position it as close to the splines without touching and see if that fixes it.



Ben
197, Evo 3 Powered
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Galant VR-4 org Post #: 877630 posted 02/26/10 12:11 AM     Remind Me!  Send Private Message   Edit Post      
There is a spec, but i don't remember it. Should be in the SM though.



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Galant VR-4 org Post #: 877653 posted 02/26/10 06:15 AM     Remind Me!  Send Private Message   Edit Post   
As said before, sounds like the sensor is incorrectly spaced causing the ABS to freak out. Loosen it up and move it closer, but be careful not to move it too close as it will contact the ABS ring.



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