In order to access the upper shock absorber mountings, you will need to remove the shock absorber from the vehicle. This will affect the front wheel alignment.
If the rust bothers you, you could coat the nuts and thread with grease or anti seize compound. This can be purchased online or at car parts stores. See image 1 below
Hope this helps.
Images (Click to enlarge)
Monday, July 18th, 2022 AT 3:29 AM