I replaced both of my wps after failure, but only removed tensioner, not battery. Removed wp by lowering since not enough space to bring it up and out.

You may wish to post to the wp failure thread, it's sorta become the guest book:

http://www.contour.org/forums/ultimatebb.php?ubb=get_topic;f=3;t=001707;p=6


98 Mystique LS v6 atx 110,000km
97 Contour LX v6 atx 125,000km
stock CD on LS, cass on LX
spoiler, tinted windows on LS only
4 wheel discs on LX only
All other available options on both