it occurs to me that your henschen duratorques (suspension) may be due for
replacement - if the trailer is riding too low at the axle(s), it'll tend to
lift the hitch end, and the rear will be too low. just a thought.... you
might check andy's duratorque page at the inland rv site:
http://inlandrv.com/articles/dura-torque-axle-92001.htm
tuna
reno, nv