First the lug nuts are attached to the wheels with a form of gasket sealant, then when the time comes to put the wheel on the car, it is done with an airgun or airsocket wrench.
A product called Gorilla Snot, a thick glue like substance that never really dries completely.
They're glued on. Most teams use weatherstripping adhesive for this.
No thay will not, ford and Chevy are different.
Most all that have 13 inch rims. Some older 14 inch also. The spacing on the lugs varies.
Cavalier is 5x100 witch is 5 lugs... The Saturn im almost positive is 4x100... Witch is 4 lugs
Is there a pawn shop that purchase used rims ? Description 18" Diablo Racing universal 4 lugs silver chrome in great condition.
Car rims may add some value to your car, the basic function of the rims is to attach the tire to the car, lighter rims will improve the mileage your car gets
If you are changing the rims yes you will need it checked. If you are just changing over a tyre it isn't essential and most probably will still be balanced.
You Overtightened them. LEARN TO TOURQUE YOUR LUGS
Take the old ones off, put the new ones on, torque the lugs to spec.