1994 Chevrolet Lumina Owner's Manual - Page 180

Service & Appearance Care Replacing Brake System Parts The braking system on modern vehicle a is complex. Its many parts have to be of top quality and work well together the if vehicle is to have really good braking. Vehicles we designand test have top-quality GM brake parts in them,as your Chevrolet does when it is new. When you replace parts of your braking system -- for example, when your brake linings wear down and you have have to new ones put in-- be sure you get new genuine GM replacement parts. If you don't, your brakes may no longer work properly. For example,if someone puts in brake linings that are wrong for your vehicle, the balance between your front and rear brakes can change, for worse. the The braking performance you've cometo expect can change in many other ways if someone puts in the wrong replacement brake parts. Brake Wear Your Chevrolet has four-wheel disc brakes. Disc brake pads have built-in wear indicators that makea high-pitched warning sound when the brake pads are worn and new pads are needed.The sound may comeand go or be heardall the time your vehicle is moving (except when you are pushing on the brake pedal firmly). NOTICE: Continuing to drive with worn-out brake pads could result in costly brake repair. Some driving conditions or climates may cause a brake squeal when the brakes are first applied or lightly applied. Thisdoes not mean something is wrong with your brakes. Brake linings should alwavs be replaced as complete axle sets. I