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Help.......2011 Grand Sport.......all over the road......
In a little time crunch to find out what this might be, so Im posting it here also.
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My girlfriend has a 2011 GS. Two issues. One with handling....one with an annoying sound that shouldn't be there.
I drove it for the first time about 1 month ago. Now I drive it frequently.
When I do....its all over the road. It wanders left and right. It easily follows grooves in the road or dips, low spots and uneven parts of the road. Its actually a pain to drive because you have to be right on it and watch it. If you change lanes it wanders in the direction your going more than you want it to......you have to pull it back to stop it from over-reacting to the inputs.
My friends beat up 2002 Vette (just a regular Vette)......It's solid as a rock and handles MUCH better all around and its got the original 2002 stock parts. Same roads, same highways. His Vette...you can take your hands off the wheel and its solid. Her Vette, no way can you take your hands off.
Her GS Vette was a Dealer Demo and had 1,000 miles on it when she bought it.
4 new tires. Front end was aligned once.....it did all this stuff. Took it to an exotic car guy, had him check the alignment....its perfect. He took all 4 tires off and rebalanced them too.
SO....what can be wrong to make it do this? Bent front end parts is my guess, but which ones.
I want to take it to the dealership on Tuesday to tell them to fix it....but what do I say might be the problem?
Also........when the brakes are applied there's a loud squeaking/crunching/squeezing sound own by the brake pedal. Its annoying and its on every application of the brakes.
the stock run flats are garbage, get a better tire on there. it COULD make all the difference
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Did you get a printout of the 4-corner alignment...?
No. She had the tires put on at Costco. Thinking they have no idea how to align one properly. Im gonna take it to the place I take my WS6....they do exotics, Vipers, Vettes and stuff like that. The guy is a guru....
Help.......2011 Grand Sport.......all over the road...... 
