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The ABS system on my truck just plain sucks. The truck stops fine unless it is an emergency stop on a wet road, then the pedal pulsates, and the truck just keeps going.
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ABS is not designed to STOP you so much as its designed to allow you to CONTROL your vehicle instead of putting it into a slide/skid.
Tires can TURN, or they can BRAKE, but if you try to do BOTH, you will put them into a skid. Skids are controllable, but they are difficult, and only the best can truly skid control a vehicle.
STOMP on the brakes. This activates the ABS.
STAY on the brakes. It will pulsate and feel terrible, but thats the sign your ABS is working.
STEER. Now that your brakes are in ABS mode, you can safely STEER the vehicle out of danger without risk of a skid/slide.
In a true "SKID" your vehicle can actually ACCELERATE! ABS helps to avoid that acceleration.
Dont disable your ABS. You just need to change your driving tactics a little bit and adjust to how correctly operating brakes work these days.
Your truck will stop faster with the ABS engaged, than it will in a full skid/slide.