Prop Shaft Coupler removal

[Newtomalibu19]

Good Morning everyone!

I have a 2008 Malibu 23 LSV. 

I went to change the packing and somehow the nut won't thread back on. I went ahead and ordered a dripless. 

My problem is getting the coupler off. I know this has been in other threads but they are all old and different than mine.

I don't have any set screws. I do however, have a weird locking collar. Does anyone have experience with this and advise on how to remove it? I am goin g to heat to it today and see if I can slide that collar off to get to the nut. I know how to lock the shaft to get enough pressure to back it out.

If you look in the diameter photo to the coupler where a set screw should be I see nothing in there. So my deduction is that it is only the tooth collar in great holding the bolt on.

Thank you in advance!!

 

[RebesMalibu]

The pictures aren’t showing up on my phone. You may want to repost in a different format. 
 

Mine requires a special socket that is machined down to get the nut off. 

[formulaben]

I just posted about this...not sure I understand what a "locking collar" coupler would be, but maybe watch these videos in the post and see what you think.

 

[Nick55]

Don’t know why pics aren’t showing up.  Maybe there’s some tips in this thread. 

As for the coupling, the last boat I did this on I used a short VW oil filter socket that was like half the height of a traditional socket to remove the coupler nut, then used a smaller socket and long bolts to pop it loose from the shaft.