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@TheShipwright
I think you're right about needing to being sealed and I can't quite remember why they're not but they've been up since 99 and I've never had an issue.
Sorted it and cant believe it was so simple and you're correct it was knack related.
Essentially I was pushing up too hard before I twisted it the correct way for my lights is to gently insert and twist them more than pushing.
I have those LEDS and I also have some cheapo chinese ebay ones which claim to be 110 degree.
Thanks I appreciate your time.