Front brake limiting valves were intended to:

Question

Some older vehicles with air brakes have front brake limiting valves. These valves were intended to reduce the risk of front wheels skidding. However, research has shown that such devices are unnecessary, so they should be left in the "normal" position.

Accepted Answer

Prevent the front tires from skidding.

Answer

Prevent the front tires from overheating.

Answer

Create equal brake usage.

Answer

Remove uncertainty when applying the brakes.