Well you may be OK leaving the TX stop-leak in, however, I believe that stuff works by swelling gaskets which isn't really your problem.
Squeezing the crimp a little with pliers may do the trick since I believe your problem is in the low pressure (i.e. return) side of the p/s system.
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
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