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30% Off Online Orders of Select Hard Parts. Enter Promo Code MMJ30 in Cart.

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Receive Up To 30% Off Your Online Purchase Of Select Parts And Accessories
Use promotional code MMJ30 at checkout to receive 30% off the following categories: Select Brake Parts, Select Hi-Performance and Truck Accessories, Batteries, Paint, Splash Guards, Select Ventvisors & Bug Shields, Springs & Spacers, Water Pumps, Belts, A/C Parts, Starters, Alternators, Fuel Pumps, Radiators, Radiator Fans, Thermostats, Caps & Clamps, Clutches, Spark Plugs, Plug Wires, CV Axles, Battery Chargers & Booster Cables, OE Locks, Rack & Pinons, Window Motors, RainX Wipers, Appearance Chemicals, Floor Mats, Lift Equipment, Hand Tools, Travel Accessories, Car Covers, Seat Covers, Wheel Covers, Body Repair, Collectibles and Apparel.

Use promotional code MMJ20 at checkout to receive 20% off the following categories: Ignition, Shocks & Struts, Chassis, Jumpstarts, Air Filters, Oil Filters, Bearings & Seals, Engine Parts, Wash Accessories, Outdoor Lifestyle, Towing, Mini Air Compressors, Tire Repair Accessories, Mufflers, Grease/Oil, Additive Chemicals, P/S Pumps, Cooling Product, Timing Belts, Specialty Tools, Radiator Hose, Motor Mounts, Mirrors, Lug Nuts, Sealants/Adhesives, Fuel Filters, P/S Hoses, Gas Cans, Oil Change Accessories, Help, Wiper Motors, Loaner Tools, Air Compressors, Horns, Books, Distributors, Sun Control and Exhaust Adapters.

Use promotional code MMJ15 at checkout to receive 15% off the following categories: Test Equipment, Power Tools, Emergency Supplies, Electronics and Stereo & Accessories (MAP pricing Exclusions).

Offers not valid in combination with any other discounts, promotions or items already on sale. Not valid on gift cards, special orders, installed merchandise, commercial or fleet purchases. Those products that are included in these offers will be displayed in product search results and product detail pages. Excludes the following brands: WeatherTech, Champion, Powerstop, Razor, Traxxas, Superchips, Hypertech, Edge, Bully Dog, Diablo, Edelbrock, Holley, NOS, Proform, Specialty Auto, Autometer, Accel, K&N, Kenwood, Pioneer, Sony, Thule, Thule Karrite, JVC, Flowmaster, Hurst, B&M, MSD, Moog, Wagner, Philips and BBK Performance. Valid online until 11:59 PM EST on 11/22/17.

Receive 10% Off Wagner branded brake parts with your online purchase. Use promotional code: WAGNER10.

Receive 20% Off Select Champion branded products with your online purchase. Use promotional code: CHAMP20.

Receive 10% Off Select FelPro branded products with your online purchase. Use promotional code: FELPRO10.


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ABS BRAKES

The anti-lock brake system (ABS) is a safety component that aids steering during hard braking by restoring tire traction.

INSTALL LEVEL OF DEFFICULTY

MEDIUM

What are ABS Brakes

Also referred to as an anti-skid braking system, this feature increases vehicle safety by preventing wheels from locking up, helping to keep your car’s tires from skidding during an emergency. ABS also shortens braking distance and enhances vehicle control by regulating individual wheel brake pressure with much greater precision than conventional braking.

How do ABS Brakes Work?

ABS uses a combination of your vehicle’s electronic control unit, speed sensors, valves, pump, and brake hydraulic modulator. The controlling components monitor your vehicle’s speed sensors, inspecting for any deaccelerations that may occur while reducing and increasing pressure to the brake during these episodes. Speed sensors at the wheels detect and report changes in wheel speed during braking. The speed sensor sends a signal to your engine control unit (ECU), which receives and processes the speed sensor(s) signal. Individual wheel lockup during braking is minimized, thus the “anti-lock” function.

How are ABS Brakes Made?

ABS brakes are composed of four main components – controller, valves, speed sensors, and pumps. These components are integrated into the brake hydraulics. There is also a failsafe to ensure normal braking hydraulics should the ABS fail. ABS is essentially a precision computer map tailored to the specific application.

Why do ABS Brakes Fail?

  • Contaminated brake fluid causes restriction and internal corrosion
  • Wheel speed sensor failure
  • Motors fail

Why do ABS Brakes Fail?

  • ABS warning light appears
  • System will rely back on manual braking methods

What are Implications of ABS Brakes Failure?

  • Integral units will need to be fully replaced
  • Increased braking distance and reduced vehicle stability under braking

If you have questions or concerns about your anti-lock braking system, or any of your vehicle’s components, come into your local Pep Boys where we can answer any question, help you find any part, or perform any vehicle service you might need.

If you want to learn more about other car parts, especially as they apply to anti-lock brake systems, we recommend reading up on brake rotors, brake lines and steering gear boxes