Reply to "stubborn lower-rear control arm bolt"

my shafts were frozen in the uprights. i was planning on grease fittings , so i drilled a hole for 1/4-28 thread thru the aluminum just into the spacer and installed a grease fitting then proceeded to pump grease into the cavity around the shaft until it came out both ends then put a nut on each end of the shaft ,used a copper hammer to whack on each end while trying to turn the shaft. once it moved fore and aft a little it started to rotate also ,pumped in more grease , then i was able to push it out with a long drift punch . i was able to salvage all the pieces. when all dissasembled i drilled thru the spacer so grease could surround the shaft.cleaned the rust off everything and reassembled. pay attention to the pins that locate the end washers from rotating when reassembling. good luck