T3 van manual trans seals

Hi guy's,without having delved into this subject,I thought I'd
pitch it to the forum and those that know.
Can the rubber seals on a leaky trans be replaced in-situ or does the box need to be removed and or split to do so.
Thanks in advance,Dave.

If you are talking the 300mm x 300mm typr one on the sump type thing - yes it can be done insitu

which seals ????

vw54 wrote:which seals ????

selector shaft is the one I am wondering about