Checking Anti-Lock Brakes (Auto Repair)

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Anti-lock brake systems (ABS) vary from one vehicle to another, and most require no special maintenance. (Chapter 10 tells you how ABS brake systems work and how to operate them properly.) Manufacturers install an amber warning lamp in the instrument panel. Under normal circumstances, the amber light will go on briefly during engine startup and turn off in a short amount of time. If it goes on while you’re on the road, the ABS system isn’t working properly and your vehicle is using only the normal brake system. In this case, get the ABS repaired as soon as you can.
If you want to test the operation of your anti-lock brakes, find an empty parking lot on a rainy day. While traveling on a slippery surface at about 30 mph, firmly press the brake pedal. You should hear some clicking and feel some pulsing of the brake pedal while the vehicle comes to a stop without sliding. If the warning lamp stays on, or you suspect that the ABS isn’t working properly, take your vehicle to a professional who specializes in brake systems.
Well, that’s it. If you get in the habit of checking your brake system every 10,000 miles (and more frequently as they wear), you’ll be able to stop worrying that they may fail you at a crucial moment. If you’re a good buddy to your brakes (which involves driving properly as well as making periodic checks), they’ll prove to be your best friends. After one of those breathtaking emergency stops on the freeway, I always say “Thanks, pals” and promise myself that I’ll peek in again soon to check on my brakes and brake lines and make sure that they’re in good shape.
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