Is is possible to pull the read fascia and rubber absorber to gain access to the inside of the frame rails? I would like to spray in there with PB blaster and allow it to soak in before I try to remove the bolts holding on the fuel tank skid plate / carrier. I don"t want to snap a bolt or break loose a welded nut. I live in Mid-Michigan and deal with rust due to road salt, etc. Also any good advice on how to detach the rar fascia from the sides of the body. Those white clips are a pain and I haven"t found a good way to releasethem.