Leak from swivel 90 in mobile home after shower arm broke

[Plumbingiscool]

So my shower arm ended up breaking (gotta love a plastic one) so I’m trying to replace it. I have a new mobile home specific shower arm like what was previously there and I almost have it fixed but the plastic drop ear 90 keeps leaking. Sometimes it’s just a drip, others it may be more of a stream. I did add a picture of the shower head set up I currently have in the shower and all the pieces I’m working with. It seems to only leak once I get the shower head onto the extension and more so at full pressure from just the cold water being fully on from what I have seen. If it’s just the shower arm or it’s the shower arm and the extension, it’s fine, it’s just when the shower head is put on so I don’t think I over tightened the 90 and broke it. I think it may be the little rubber gasket/washer since I was trying to reuse the old one but I’m not sure if that’s really what’s causing it to leak. Any ideas on how to stop it from leaking?

 

[nancymartin]

Sounds like the issue might be the old rubber gasket/washer. Try replacing it with a new one, as worn gaskets often cause leaks. Also, wrap plumber's tape (Teflon tape) around the threads for a better seal. If it still leaks, inspect the swivel 90 for cracks or damage—replacing it with a new one (preferably metal) might fix it. Tighten everything securely but avoid over-tightening