How do you replace the front rotors on a 1999 Jeep Grand Cherokee?
Easy, takes about an hour (two max if old rotors are stuck hard), make sure to do pads at same time. 1. Loosen lugs on tire(s) 2. Be safe! Car in Park, emergency brake on, chock tires, jack up the car with a good floor jack, use jack stands for support. 3. Remove Wheels 4. Remove bolts on backside of caliper assembly, get electric wire ties for bungee cord and carefully secure caliper assembly to coil springs to keep it out of the way. You don't want to risk braking your brake lines and causing more work. 5. Pull old caliper off. NOTE, get a good rubber head, heavy hammer because the old rotor will more than likely be rusted to the hub assembly (I bought a rubber mallet with some lead shot inside it at Sears to help with this part). Bang firmly but carefully from inside edge of old rotor. Eventually it will come loose. 6. Install new rotor on hub assembly 7. My calipers have two brake pistons. The brake pistons MUST be "re-set" before new pads can be installed and caliper re-installed. To do this, get a narrow scrap of wood (i.e. - plywood) and place it against the pistons on the inside part of the caliper. Then, use a C-clamp to tighten the wood thus pushing the brake pistons back into the caliper assemply. NOTE: The Jeep calipers will auto-adjust to the new pads and rotor when you pump the brakes at the end of the job. 8. Put new pads in Brake Caliper assembly (if you had pins or clips that hold pads in place, be sure to make note of how they go were removed so they go back in correctly). 9. Slide the caliper assembly back over the new rotor, line up the holes and re-install caliper bolts. 10. Re-install wheel and tighten bolts in a star pattern. 11. Jack car back up, remove jack stands, remove tre chocks and lower (double check wheel lug nuts at this stage. 12. Start engine LEAVE IN PARK and pump brakes several times until you feel the brake pedal "tighten". Do a short test drive for stopping to be sure it's all OK. Good luck J