- #BENDIX ABS WHEEL SPEED SENSOR REPLACEMENT COST MANUALS#
- #BENDIX ABS WHEEL SPEED SENSOR REPLACEMENT COST DRIVER#
The ABS system responds by momentarily reducing hydraulic pressure to the brake on the affected wheel or wheels.Įlectrically operated solenoid valves are used to hold, release and reapply hydraulic pressure to the brakes. If one wheel starts to slow at a faster rate than the others, or at a faster rate than that which is programmed into the antilock control module, it indicates the wheel is starting to slip and is in danger of breaking traction and locking up. HOW ANTILOCK BRAKES WORKĪll antilock brake systems control tire slip by monitoring the relative deceleration rates of the wheels during braking. If both warning lights are on, the vehicle should not be driven until the brakes can be inspected. This could indicate a potentially dangerous loss of hydraulic pressure or a low fluid level!). This does not necessarily make the vehicle unsafe to drive, but it does mean the ABS system will not be there if needed in an emergency.Īn ABS warning light should never be ignored, especially if the brake warning light is also on. The ABS warning light will come on, but the vehicle should still have normal braking. Should a failure occur in the ABS control electronics, most systems will deactivate themselves. The rest of the time, it has no effect on normal driving or braking.Īntilock brake systems are also designed to be as "failsafe" as possible. It only comes into play when traction conditions are marginal or during sudden "panic" stops. By minimizing the loss of traction, antilock braking helps maintain directional stability and steering control.Īnother point to keep in mind about antilock brakes is that it is essentially an "add-on" to the existing brake system. But once it skids, it has about as much directional stability as a hockey puck on ice. As long as a tire does not slip, it will roll only in the direction it turns.
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That is why some vehicles have an on/off switch for deactivating the antilock system when driving on snow.ĭirectional stability also depends on traction. A locked tire allows a small wedge of snow to build up ahead of it which allows it to stop in a somewhat shorter distance than a rolling tire. The only exception to this rule is when a tire is on loose snow. Once traction is lost, friction is reduced, the tire skids and the vehicle takes longer to stop. A tire that is just on the verge of slipping (10 to 20% slippage) produces more friction with respect to the road than one which is locked and skidding (100% slippage). There are quite a few different antilock brake systems in use today, but one thing they all share in common is the ability to control wheel lockup during hard braking. But on wet or slick pavement, antilock brakes may reduce the stopping distance up to 25% or more, which could be the difference between a safe stop and an accident.
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Antilock brakes do not necessarily reduce the stopping distance, and in fact may actually increase stopping slightly on dry pavement. The purpose of antilock brakes is to improve vehicle safety by reducing skids that can result in loss of control and spinouts.
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#BENDIX ABS WHEEL SPEED SENSOR REPLACEMENT COST DRIVER#
This adds a significant margin of safety for everyday driving by preventing dangerous skids and allowing the driver to maintain steering control while trying to stop. Simply put, the antilock brake system is designed to prevent the brakes from locking up and skidding when braking hard or when braking on wet or slick surfaces. Most people are familiar with the term Antilock Brakes (ABS), but many do not know much about antilock braking, how it works, what if any special maintenance is required, or what parts can be replaced in antilock brake systems.Īntilock Brakes are essentially an enhanced or improved version of ordinary brakes. What Are Anti Lock Brakes? by Larry Carley copyright 2019
#BENDIX ABS WHEEL SPEED SENSOR REPLACEMENT COST MANUALS#
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