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abs inop and e-break

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Old 06-13-2006, 12:11 PM
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Default abs inop and e-break

so since i reinstalled my tranny intermidintly my abs inop and ebreak light turn on. it usually after a few mins of driving they trun on, i cant find any loose wires and i just replaced one front calipur and both front breaks/rotors so i dont know what the heck is going on. any tips woul;d be greatly apreceated.
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Old 06-13-2006, 01:39 PM
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Are your tires dramatically different is overall diameter?
Old 06-14-2006, 06:13 AM
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245/40/17 up front and 275/40/18 out back.
Old 06-14-2006, 03:51 PM
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ttt need some help figureing this crap out so i can fix it w/o paying the damn dealership
Old 06-14-2006, 04:16 PM
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The overall diameter of your front tire is nearly 2" smaller than the OD of the rear tire.

That is what is causing the lights to go on. F-Car ABS is not compliant with dramatically different OD's on the tires.

Last edited by Xsta Z 28; 06-14-2006 at 04:23 PM.
Old 06-14-2006, 05:44 PM
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these rims, and with same size tires were on the car when i bought it, and before the tranny went out. i had no problems before, why now? and the light isnt constant either, it usually turns on after a little bit of drivieng, and some tiems not at all...
Old 06-16-2006, 04:08 PM
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nothing? no one? bleh
Old 06-16-2006, 04:22 PM
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You are sure its 275/40/18 and not 275/35/18 out back?

Like Xsta Z 28 said, your tires are different diameters, which is causing your ABS to complain. The strange thing is tha the lights did not come on before, I don't know whats going on there.
Old 06-16-2006, 04:48 PM
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my girlfriends car had a constant ABS INOP light and E-Brake light. It turned out to be her EBCM that is on the front of the brake booster.
Old 06-17-2006, 02:47 AM
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i am positive on the rim/tire size. it has the c5 thin spoke rims on it. and i was shure to buy the same height tire. and wtf is the ebcm? i did replace the front left calipur but that was after about a week of driving and the lights beeing on. i am almost half tempted to take it to a friend at a dealership.




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