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Thread: ABS issues

  1. #1

    Default ABS issues

    I have just replaced my rotors and pads on my 2004 silverado, and since that time, my ABS light is going off and on, inconsistently, and my ABS motor is engaging when stopping, again inconsistently. When the ABS engages, the truck pulls to the right while stopping. I have used two different code readers, and both times it has come back with no codes on the truck. We have inspected the sensor cables, and didn't see any cuts in the wires or disconnections. I have convinced myself it is the ABS sensor in one of the front hubs, but I wanted to see what you guys think before buying new parts yet...

    Thanks in advance

    2007 Silverado LT Z71 4x4 Crew Cab
    Dark Metallic Blue

    Mods to come, just purchased on 10/31/09

    Go Pack Go!

  2. #2

    Default

    Get it scanned with a real scanner and not a code reader. You won't see the ABS codes unless your scanner is able to access the ABS Module. This will tell you which sensor is acting up. Otherwise you will be guessing.
    Jim

    2004 SILVERADO 2500HD LS
    Pro Comp Leveling Kit
    285-75-16 Cooper ST All Terrains
    Pro Comp Programmer
    Bilstein Shocks
    Linux Bed Liner
    Tinted Windows



    Other rides:

    1967 Landcruiser <350 Chevy>
    1970 Camaro
    1990 Geo Metro Convertible
    2007 FJ Cruiser

  3. #3

    Default

    Thank you sir. Does the pulling give any indication? I could see it either way, that the right side could be locked up and pulling, or that the ABS is causing the L side not to brake as well as the R, thus causing the pull to the Right.

    Thanks again for the help.

    2007 Silverado LT Z71 4x4 Crew Cab
    Dark Metallic Blue

    Mods to come, just purchased on 10/31/09

    Go Pack Go!

  4. #4

    Default

    Yep it could go either way.
    Jim

    2004 SILVERADO 2500HD LS
    Pro Comp Leveling Kit
    285-75-16 Cooper ST All Terrains
    Pro Comp Programmer
    Bilstein Shocks
    Linux Bed Liner
    Tinted Windows



    Other rides:

    1967 Landcruiser <350 Chevy>
    1970 Camaro
    1990 Geo Metro Convertible
    2007 FJ Cruiser

  5. #5

    Default

    turns out it was the front left hub. When you pulled the caliper and rotor, with plate with the lug bolts in it fell to the ground. Kind of scary really. The hub was cut clean in two. The ABS light was due to build up on the sensor with the metal shavings from the hub being cut apart...

    Thanks for the help

    2007 Silverado LT Z71 4x4 Crew Cab
    Dark Metallic Blue

    Mods to come, just purchased on 10/31/09

    Go Pack Go!

  6. #6
    Legend Mean_Green_95's Avatar
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    Apr 2009
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    Default

    damn man, I'm glad it didn't come apart on you while you were driving down the road. And I'm glad you fixed the problem.
    2010 Equinox LT
    2.4, 6 speed auto, power lift gate, remote start, bluetooth, xm.

    1995 Cheyenne C1500 ext. cab(my baby, my first truck)
    5.0, 5 speed, Silverado appearance package, power nothing, bucket seats and console Silverado, painted black interior, eBay halo headlights, eBay chrome tails, eBay cai, dual Flowmaster 40's w/no cats, 15x7 American Racing Hopsters, Walmart fog lights, SS mirrors

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