I replaced front brake hard lines, calipers, rotors and pads in August, I've driven the car about 1,000 miles since, and it feels like the rotors are warped already. After replacement of all these parts, I was very, very careful to bed in the pads and rotors by gently pressing the brakes and coming to very gradual stops for at least 500 miles. I have even made very gentle stops my normal method of braking, so I can't believe I'm feeling the pulsing of warped rotors as I initially press the brakes like you would at a highway off ramp. Stopping power is generally good and pedal pressure is very firm as I completely bled to whole system. Maybe it's the Brembo rotors I installed? I used rebuilt ATE calipers from IPD that came with a no name set of pads that might be suspect also. Should I have gone with genuine Volvo parts for this repair? Any other recommendations?

 

maybe its time to check the rear rotors - sometimes its hard to tell which are having issues. Brembo rotors are OEM so they are not the cause and if you properly bedded and replaced the caliper pins etc your rotors shouldn't warp. A stuck caliper or bad wheel bearing can also give the same feel.