If your 1991 Honda is vibrating when you press on the brake pedal, there is a good chance you will need to repair or replace the brake rotors. Sometimes, this is as simple as removing the rotors and rotating them. Depending on the condition of the rotors, you may be able to take them to your local auto parts store and have them sent out to have any warped areas ground out of them. If neither of those solutions are feasible, you will need to replace them. The directions listed below are for every 1991 Honda vehicle except the Accord.
Brake Rotor Removal
Use the lug wrench that came with your vehicle or a 1/2-inch drive socket to loosen, but do not remove, the lug nuts on the wheel of the rotor you need to repair.2
Place a jack under the frame of the vehicle and raise it enough so you can remove the tire from the vehicle.3
Position a jack stand under the frame of the vehicle to provide support while you are working on the rotor. Once the jack stands are in place, lower the jack to support the car on the jack stands.4
Remove all of the lug nuts from the wheel then take it off the mount.5
Use the appropriate socket to remove the pin bolt and disconnect the brake caliper from the bracket. If the caliper will not move on its own, use a rubber mallet and gently tap on it to loosen it.6
Secure the caliper away from the rotor with a piece of thin wire.7
Use a 3/8-inch drive ratchet with a 6 mm socket to remove the bolts from the rotor.8
Pull the rotor off of the wheel mount.
Brake Rotor Installation
Place the new brake rotor onto the wheel mount.10
Turn the 6 mm bolts clockwise to tighten the rotor.11
Replace the brake caliper over the rotor assembly.12
Tighten the pin bolt and replace the caliper bracket.13
Remount the wheel and reinstall all the lug nuts. Turn all of the lug nuts clockwise, finger-tight, until they are secure. Lower the vehicle with the jack and use the lug wrench to finish tightening the lug nuts.