Bit late now - but I keep looking at the Ice Desigs 'Shedist style' clutch kits - which although designed for a Rover would appear to fit a Freelader (will have to do a search sometime to see if anyone has fitted one).
Saying that....they arent cheap, but appear to sort a few of the known issues out
i googled that 'n found:
shedist clutch kit - MG-Rover.org Forums
mine's an '06 TD4 .. 91380 miles on clock
IF it turns out to be the slave cylinder being the problem
then i might get the clutch replaced as a matter of course given the mileage
( i.e. seeing as the gearbox etc etc has to be removed )
however the dealership will Only fit land-rover parts ..
i.e. dual mass flywheel 'n such
if i wanted .. lets say .. a single mass flywheel with the clutch
i'd have to take it to another place ..
be ok if it came to that as the dealership recommends another local landy-specialist place
that they often send work to .. and has a good local reputation ..
and that place will fit aftermarket bits 'n pieces ..
am hoping it's just the master cylinder that needs replacing ..
( be separate on a td4 .. unlike the 1.8 petrol motor )
m.cylinder bracket and pushrod thingy look ok ..
clutch weren't slipping .. no odd rattly noises .. or smell of burning hydraulic fluid ..
on the other hand wouldn't know what slave cylinder leak would do ..
apart from messing up clutch operation
never had a clutch fail on me before .. on any vehicle .. hgv thru to mortorcycle ..
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cheers for the 'shedist' info