Tire change Causes suspension issue?

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As you guys suggested, its broken. I will order new ones. Is it a long job to replace both sides?

depends how many beers you drink.....

I'd say an hour at most for both sides.  should just be 2 bolts each side.  Because it is the torsion bar you probably need to first raise car and put on stands and then you will need to use the jack to raise/lower the end of the axle to get them lined up to install the link.