Having problems with your 1998 Chevrolet Corvette ?

Abs active light on, brakes pulsate when tapped. what's that mean?

Posted / edited by AnonymousUser on : 16-01-2017

Answers :

The ABS Active monitor comes on when one or more of the wheels are not spinning at the same rate of speed. The ABS system determines wheel "lock up" from the wheel speed sensors and will adjust brake pressure to unlock the skidding wheel(s). It achieves this operation with a pump which will rapidly pump the brakes to the specified wheel. I'm assuming this is the "pulsation" you are experiencing. If you are having this problem under light to moderate braking, be sure to have the proper size tires on all 4 wheels. Incorrect tire sizes and uneven tire wear will give improper wheel speed information the the ABS controller. This will result in a malfunction of the system.
Repair Help & Product Troubleshooting for 1998 Chevrolet Corvette

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