2002 SR5 Hilux TD clutch shudder

Seems that the new veneer has finally warn off my Hilux and a clutch shudder has come to the fore. This is a bit unfortunate given that I am off in a few weeks on a 7K trip across the central deserts. This will be its second significant run.

Basically, the vehicle has now travelled 26K's, (initial signs appeared at about 24K's) it has not missed a beat in any other respect, been fully serviced and respected. It has done about 500kms with a small caravan and other than that be assured that I'm one who keeps the foot off the clutch!

The problem is most evident when cold, ie first daily start, and in first gear.

In addition to this, when I reverse I am also experiencing a shudder (slight) and a pedal noise like as if the master cylinder has come loose. There is physical feedback through the pedal as well as a creaking sound around the master cylinder area? This problem is apparent even when all the running gear is warm! The problem becomes more noticeable under load, such as backing up a moderately inclined driveway.

Before I approach the toyota dealer I would be interested in whether others have experienced this problem and what any fix has been. In fact any views or perspectives would be gratefully received. I feel it would be better to raise this issue with them from a more informed position.

Hope you can advise or share a similar experience.