You’re trying to replace it I assume? Are you in the removal or refit stage? you might find a guide if you search evo4-6 or even evo7-9 as they use a similar setup. The evos are more “popular” online so you may have success with that
General tips for this sort of thing I have learned is that two people can be helpful rather than just yourself.
Try installing with the boot open and closed, one may be easier than the other
There might be multiple installation points for adjusting the strength of the rod, try get it into any of them and then adjusting to the desired one.