TN TL

My brakes won't quit shuttering!

I let the local NTB put on some new tires and brake pads soon after I bought the car a few months back. It really needed both. I usually do my own brake work, but for whatever reason I let them go ahead and do the brakes with the tires. They put new pads all around and turned the front rotors. Soon after the work a shutter started. It got progressively worse so I took it back to NTB. It seemed to me to be a standard rotor problem. They turned the fronts again. A week later it's back. I'm going to just fix it myself rather than go back to NTB. My first thought was to replace the front rotors. Maybe they got too hot and warped? Thoughts?

Here's the other thing: The car often pulls hard at the end of braking. Im not sure if this is related to the previous problem. My thought was that this could be a brake fluid issue. Could that be the cause for both problems? Please help?

TN TL

I should have mentioned the car: 05 TL navi blk/blk with 47K on it. Brake work was done with about 45K on it.

01tl4tl

The TL has known easily warped rotors, and turning them once puts it very close to minimum thickness... and more warpage with any heat will occur
Turning then a 2nd time- I would immediatly check the thickness

Flushing the brake fluid will help things too, it needs to be done every year starting at year 3 of cars life
That can lead to a weak caliper operation or failed caliper and pull on braking

Cheap brake pads can cause problems