- Location
- gloucestershire
From my experience, its usually due to the manufacturer of the tubes. Up until a few years ago they were all fine until morris lubricants tweaked the tubes (i think they supply most of the market) and ever since then i have had had issues with them. Milwaukee just told me to buy from tubes from europarts. i have since found the jcb branded tubes never air lock on mine.My one keeps air locking!? ....