Pulsating Brakes

[chevylover]

Had my wifes front brakes done on her 00 Monte SS. The rears were said to have 30% left. After driving them for a couple of weeks the entire car shakes and pulsates when breaking under any load, heavy or light.
Big O said they will turn the rotors again for free.
Anyone else have this problem or can you give me any options or info????

 

[n0v8or]

Two biggest causes of pulsating brakes after service:
1. Wheel lug nuts not properly torqued evenly, in at least 2 steps, and within factory specs.
2. Excessive metal removed from the rotors, Thin rotors warp easily. Turning them again may be effective, but only for a few days.

I never turn (resurface) rotors. I they are badly scored, I replace them.