The types of inspections for the front and rear disc brake assemblies are as follows. First, carefully operate the wheel lug nuts, then lift the car and place it on the jackstands and only then remove the wheel. After that, unbolt the brake caliper, but do not disconnect the brake hose, then fasten the brake caliper with wire so that there will be no pressure on the hose. Search the disc surface for score marks and scratches; minor and slight scratches or grooves are acceptable; deep score marks with thickness more than 0.015 inch requires disc removal and resurfacing. Look on both sides of the disc and if pulsation happens during braking then you can assume that disc runout is the problem. Runout is checked by placing a dial indicator approximately 1/2-inch from the outside edge of the disc, spinning the disc while the needle should not exceed the allowable runout amount. The resurfacing of brake discs may also be necessary to provide brake pedal free from pulsation due to a rough or uneven surface of the brake disc. The disc should not be machined to less then the min refinish thickness that is indicated inside the disc; thickness at several points should be tested with a micrometer. For removal, if on 2-wheel-drive model then inspect, re-pack and get the front wheel bearing in order. For 1998 and later 4WD models, the brake disc slides off the hub assembly, 1997 and earlier models use the front hub lock, spindle bearing and wheel bearing. The process of installation is the complete opposite of the removal procedures, the next step is installing the calipers, followed by the wheels and lug nuts then lowering of the vehicle and finally the lug nuts are tighten to the required torque. Press and release the brake pedal several times in order to prevent the brake pads to stick to the brake disc and then inspect the brake thoroughly before putting the vehicle back to active use.
