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Another "traction control" thread

 
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A_t
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PostPosted: Tue Jul 13, 2010 12:08 am    Post subject: Oh yes ! Another "traction control" thread Reply with quote

I hope this is the right place to post this but yeah, im having that problem now. I did a search and it seems like people are either replacing a hub or some wiring. without throwing the little money i have into this car, how can i find out what needs to be replaced? or is there no way around it and i have to start replacing everything until i finally narrow it down?
thanks for the help....
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IffyG
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PostPosted: Tue Jul 13, 2010 12:11 am    Post subject:   Reply with quote

The best thing you can do at home is check the wiring to the speed sensors and make sure everything is intact. You can also jack up each corner and grab the wheels at 12 and 6 and give it a shake. If it wiggles, the hub is bad (but this doesn't necessarily mean that's the speed sensor that's acting up). In short, the only definitive way to figure out which speed sensor is giving you trouble is finding a shop that can read ABS codes or use a scanner that reads ABS codes.

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ScottMPala
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PostPosted: Tue Jul 13, 2010 12:45 am    Post subject:   Reply with quote

IffyG wrote:
The best thing you can do at home is check the wiring to the speed sensors and make sure everything is intact. You can also jack up each corner and grab the wheels at 12 and 6 and give it a shake. If it wiggles, the hub is bad (but this doesn't necessarily mean that's the speed sensor that's acting up). In short, the only definitive way to figure out which speed sensor is giving you trouble is finding a shop that can read ABS codes or use a scanner that reads ABS codes.


I have found that if you can change the hub yourself, then you may as well just go ahead and change both of them rather than pay a shop to diagnose. You will likely spend somewhere between $75 - $100 for a diagnosis plus the cost of one bearing. So are you better of spending $200 on the diagnosis of the one bad bearing or $200 on changing both at once is the question. If it turns out you changed the wrong one, spend the other hundred on the bearing, or put the good used one on the other side. Wink

Or...

If you don't know how to change them...learn! Or spend the money at a shop; they will thank you Laughing

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IffyG
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PostPosted: Tue Jul 13, 2010 12:52 am    Post subject:   Reply with quote

I thought all four corners had wheel speed sensors that could cause this problem. Am I misinformed?

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A_t
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PostPosted: Tue Jul 13, 2010 1:12 am    Post subject:   Reply with quote

i think all four corners do have sensors. i checked what im pretty sure were sensors, yesterday. all were intact and looked ok. ill try the wiggle the tire thing when i get a day off and start looking for an ABS scanner
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ScottMPala
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PostPosted: Tue Jul 13, 2010 1:13 am    Post subject:   Reply with quote

IffyG wrote:
I thought all four corners had wheel speed sensors that could cause this problem. Am I misinformed?


Actually you are correct, they do. However, the rears don't have a flimsy ass 100 gauge wires (not really!) that brake all the time on these cars. All failure I have seen in the last 4 years of working in the automotive industry (on impalas, montes, centurys, devilles, etc...) have been one of the front sensors.

Rear:


Front:

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