How hard to replace siding on 2 year old trailer?

Several years ago had a Nomad aluminum siding TT. When brand new, during the first camping trip down to the desert southwest, the street side began swelling up in the hot sun, but would go back down at night. After a couple of those swells, it crinkled the siding and left big vertical creases in the siding. Took it back to the dealer and he replaced the whole side himself.