Question about 1990 Chevrolet Suburban

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Can the ABS system fails on a 1990 Chevy Suburban and that allow the brakes to lock up on it?

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If the ABS fails, the brakes will lock up when you brake hard enough to have needed the ABS system to engage. The ABS works by sending a pulsing action through the brake system when you brake hard enough to lock up the wheels.
In the old days before ABS we used to have to pump the brake pedal to achieve a pulse in an attept to keep from locking up and sliding. The old way of doing it is no where near as effective as modern ABS.
You should never pump the brake pedal on a vehicle that is equipped with ABS. If your ABS has failed, yours and others safety is at risk. Get it fixed ASAP.

Posted on Dec 28, 2010

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