Fuel tank breathers

[the evil twin]

Thanks, ET. I will have another look tomorrow. Obviously there is a problem with my set up. The breather must be blocked or the pipe crimped somewhere. My Old Trol is an RB30 '94 model if anyone has further info for me.

Onya mate... I must admit I am not familiar with the GQ's so I'll nip back and clarify my post.
I've never had to replace one on any of my GQ's but the valve on my GU Uterus was a bit of a PIA when I fitted the Long Ranger tank