You'll need a air hammer to get the top ones out.  The are compressed
in but the
bolt but it won't come out without a air hammer or by using a puller of

Nah, I did mine two weeks ago, pickle fork and a few whacks and they popped right out, no problem. Took about 1/2 hour for each side. Now, this was only the uppers, can't speak yet as to how tough the lower ones are.   Jeff