1998 GMC Safari Owner's Manual - Page 297

Your rear drum brakes don't have wear indicators, but if you ever hear arear brake rubbing noise, have rear the brake linings inspected immediately. Also, rear the brake drums should removed and inspected each time be the tires are removed rotation or changing. When for you have the front brake pads replaced, have the rear brakes inspected, too. Brake linings should always be replaced as complete axle sets. See "Brake System Inspection'' Section 7 of this in manual under Part C "Periodic Maintenance Inspections." Replacing BrakeSystem Parts Brake Pedal Travel See your dealerif the brake pedal does not return to normal height,or if there is a rapid increasein pedal travel. This could be a sign of brake trouble. The braking system on a modern vehiclecomplex. Its is many parts haveto be of top quality and work well together if the vehicle is have really good braking. to Your vehicle was designed and tested with top-quality GM brake parts. When you replace parts of your brakin system -- for example, when your brake linings wear down and you have to have new ones put-- be sure in you get new approvedGM 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 yourfront and rear brakescan change -- for the worse. The braking performance you've come to expect can change in many other ways if someone puts in the wrong replacement brake parts. Battery Every new vehicle has an ACDelco Freedom@ battery. You never haveto add water toone of these. When it's time for a new battery, we recommend an ACDelco Freedom battery. Get one that has replacement the number shown on the original battery's label. Brake Adjustment Every time you make a brake stop, your disc brakes adjust for wear. ' If your brake pedal goes down farther than normal, your rear drum brakes may need adjustment. Adjust them by backing up and firmly applying the brakes a few times. I 6-35