Larry's Auto and Truck Service Center in Cape Coral.  Call (239) 458-1141 today!

Larry's Auto & Truck
Service Center in Cape Coral
(239) 458-1141

Auto Technicians are ASE Certified

Family Owned and Operated Since 1983


International Automotive Technicians' Network

Anti-Lock Brakes Repair and Service for Cars and Trucks

Anti-Lock Brake Indicator

There are four main components to an ABS system:

  • Speed sensors
  • Pump
  • Valves
  • Controller

Speed Sensors
The anti-lock braking system needs some way of knowing when a wheel is about to lock up. The speed sensors, which are located at each wheel, or in some cases in the differential, provide this information.

Valves
There is a valve in the brake line of each brake controlled by the ABS.

Pump
Since the valve is able to release pressure from the brakes, there has to be some way to put that pressure back. That is what the pump does; when a valve reduces the pressure in a line, the pump is there to get the pressure back up.

Controller
The controller is a computer in the car. It watches the speed sensors and controls the valves.

Brake Types
Anti-lock braking systems use different schemes depending on the type of brakes in use.

  • Four-channel, four-sensor ABS
  • Three-channel, four-sensor ABS
  • Three-channel, three-sensor ABS
  • Two-channel, four sensor ABS
  • One-channel, one-sensor ABS

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