Output shaft splines.

Hi Guys,

I have replaced the Rear Output Shaft oil seal on my 1983 Series 3, it's the first time I have done this job.
My problem is , when I try to replace the flange the splines will not fit . They will go in a small way , connect, then
meet resistance and start to jam if any force is tried.
Both sets of splines look ok with no damage. I have tried wigglying the flange while pushing, turned it to different positions but
nothing helps.
.
When I removed the flange I had to use a screwdriver to lever it loose, then it pulled off nortmally.
Any help will be much apprecated.
Bry

Was doing the same on mine today, had to give flange a whack with big rubber mallet.

Thanks for that, worth a try.