As long as the collars on each pipe sit against the black plastic they are are home. The aluminum collar should be sat equally across the pipes in relation to the black plastic receiver 👍
Ooer, I'd of thought the end bearing will be around 2" in diameter. Unless you fill it with JB weld just to fend off a leak😱
You may have to put it together a d monitor it... 🫣
Not copper grease my mate and only if its silicon grease not sealer! 🤔, you don't have any other grease to wet the oring outer surface which will allow them to slide in while fitted on the pipe end?
I simply swapped the radio for a modern unit, gaining the microphone for calls as well and then traded the old unit for some bits.
There is a mod on the YouTube that is a little more involved than I wanted to be. 👍