Question about 2001 Chevrolet Silverado 1500

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Abs light come on every now and then only when i turn on the truck and if i shut it down it might go a way and might not

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  • Chevrolet Master
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Did you drove off road or travel though any muddy road lately?

There are 4 sensors on each wheel to sense slippage (rotation count) on each wheel.

I will hose down each brake (while they are cold so it will not warp the disk/drum) or simply take it to a good car wash to spray down the inner side of the tires.

How many miles is on the odometer now?

A loose ABS senor/mount can also cause the same problem.

Next time you rotate your tires,you should check out these sensors.



Posted on Jul 14, 2009

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Could either be the abs pump,or a bad sensor.the output of the sensor can be checked with a scope if put on a hoist and the wheels are rotated,a pulse should be detected from the sensor.make sure the sensor is not full of brake dust.the dust has metal content from the pads,and can give false readings from the magnet ring.

Posted on Jul 14, 2009

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  • Expert
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When you turn the truck on the abs light will turn on for a few seconds as a bulb check to let you know the light bulb still works. If it stays on then you'll need to take it to a shop or any larger company parts store and have them put it on a diagnostic scanner to retrieve the code as to why the light is on.

Posted on Jul 14, 2009

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