2007 Saturn Aura front end suspension

The brake problem is usually caused by warped brake rotors. They can be machined as long as they will still be above the published legal minimum thickness. On most vehicles it's not real expensive to replace them but even new ones often warp in the first few months and need to be machined.

There's three things to look at for the alignment. The vehicle must go straight when you let go of the steering wheel. The steering wheel must be straight when driving straight ahead. Then there's tire wear. The first two you can check at any time. A change indicates a problem has just occurred. Tire wear can take a while to show up and not everyone knows how to "read" that wear. If "total toe" is not correct there will be excessive tire wear and the car will follow the tire with the most weight on it. That can cause a pull during acceleration, but a more common cause is a tire pull. The clue to a tire pull is the car will pull the other way during hard braking. To verify a tire problem, switch the two front tires side-to-side. The pull will go the other way, or in some cases the pull will be completely gone. If the pull goes the other way you can often just switch the tires front-to-back and leave them there.

There are other causes to a pull under acceleration that must be eliminated too. Worn lower control arm bushings are the most common. They will allow the spindle to move which changes the alignment.

We don't like throwing parts at a problem. If the control arm bushings are worn your mechanic should have spotted them during the inspection but it depends on how the car was supported on the hoist. I'm hoping this is just a minor tire issue.