On my last vehicle had a leak on one of the red Polyairs (with a clamp on hose fitting, not the pushin) I removed it from car, pressurised and traced the leak to where the hose fitting was bonded in at top. I deflated it as much as I could and used one of those tyre inflation/goop aerosols to reinflate. pumped up to 20 lbs and inverted, and left for a few days. Reinstalled, and it was still holding air etc 2 years later when I sold the vehicle.
Michael T
2011 L322 Range Rover 4.4 TDV8 Vogue
Aussie '88 RR Tdi300 (+lpg), Auto (RIP ... now body removed after A pillar, chassis extension to 130 & fire tender tray.)
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