number 5 is alive! Just been out across the yard, ya know what its like, ya just can't help but give it another twist. anyway we now have all 5 holes blowin hot air, (bit like me really).so things may at last be gettin back to normal. will still do washers and seals on injectors and the others mentioned earlier, but will at least be able to drive to l/r dealers in cork in comfort, rather than 5 hours each way by tractor, but still glad to hear any new ideas or theories. td5 is a terrific engine as long as it does what its supposed to