you might have to bring it to a brake lave to size up the rotors and brake drums.
tires need to be rebalanced
Rotor and drums are out of round, need turned, probley just the rotors. Be sure to replace the pads and shoes too. You said it is bouncing. If the body is bouncing then the shocks are bad and need replacing.
bad brake rotors or alignment shocks struts
no
The 4 main things that need to be checked and or replaced before replacing the computer with an ABS system are the pads, the rotors, the calipers, and the shocks. Also make sure to look over the brakes as well before putting in the ABS system.
Why don't you ask a mechanic?
To change the bellows on a 1993 240SX Nissan you will need to jack up the car and start by removing the shocks. You may want to hire a mechanic to do this as a functioning set of brakes is very important.
check your rotors. have that happen on 2 jeeps. if that is not it check the shocks. bet it is the rotors
your shocks or your brake pads are probly loose. You need to check them out. If that's not it then take it to a mechanic.
You could have worn out shocks or stuts
I would check brakes,shocks,and powersteering pump. I would check brakes,shocks,and powersteering pump.
Ask a mechanic