Brake pulsation mild to extreme each trip

[bracketchev1221]

This makes the most sense so far. But should I feel rotor pulsation in the steering wheel ? I feel nothing in the steering wheel.

Then its most likely in the rear. is there a bent axle?

 

[spongbob]

My 1979 Regal has had the Rotors machines previously and just got brand new drums installed. Every time I drive the car it starts out with smooth brake action. Gradually a brake pulsation comes on. The farther I drive the worse the pulsation gets until it is unbearable at about 4 to 5 miles of town driving. The same happens the next time I drive the car. I feel no pulsating in the brake pedal or steering wheel. Rear wheel cylinders were rebuilt 7K ago. With the car up on a hoist there is no brake dragging. So what is causing the oncoming pulsation on each trip? It can get so bad that people stare at me lurching behind the wheel as the car pulsates to a stop and wonder if I am an epileptic and having a seizure. STICKING CALIPER (hot tire) LEAKING REAR SEALS OR LOOSE CALIPER BOLTS