I recently purchased a 2004 Aveo LS Sedan with 50000 miles. I understand I have to have the timing belt replaced $240 dollars parts and labor and might as well replace the water pump since we're in there another $250 dollars parts and labor, ok. my other problem is the car shudders and shakes in the steering wheel at about 55 to 65 mph, I've read that replacing the lower control arms will fix this problem, has any one else had this problem and made this fix? Are the new control arms made better than the old ones? I'm also thinking of getting some bigger tires and wheels maybe 16's hope this will also help the stability. Please help.