H3 uses a four-circuit ABS system, with a high-pressure accumulator for boost. The older pick up trucks and vans used a three-circuit ABS system, with vacuum boost.
However, due to the inherent operation of any ABS system, if the computer senses a different rotational speed of one sensor, when compared to other sensors this will cause the system to go into operation.
The secret of ABS brakes is that they will not stop you any sooner if ABS operation starts up versus non-ABS operation; the true secret is if the wheels never lock (as in ABS operation), you have full control and can steer.
The ABS system in the H3 will go into operation on gravel roads if the brakes are applied heavily and there is slippage detected, but it is very steerable, and from off-roading with vehicles equipped with ABS, it is not scary, once you get used to it.
As for paved roads, ABS has saved my a** quite a few times.
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Black Sheep Hummer Squadron
(ME TOO)
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