Diff keeps blowing

My discovery 1 200tdi keeps blowing rear doffs cannot work out why 2 in two weeks any ideals

A bit more info would be useful...

Is it stock as a rock or heavily modded?

It has 235 85 16 2 inch lift fuel pump turned up a tiny bit

Naths said:

My discovery 1 200tdi keeps blowing rear doffs cannot work out why 2 in two weeks any ideals

Click to expand...

not adjusted right, ring gear flexing causing the pinion gear to climb out and rip teeth out

What's not adjusted right ?

Naths said:

My discovery 1 200tdi keeps blowing rear doffs cannot work out why 2 in two weeks any ideals

Click to expand...

blowing with the same failing ?2 decent diffs or just unknown used ones

Yea they was good ones on known previous landrovers

Naths said:

Yea they was good ones on known previous landrovers

Click to expand...

same failure each time ?

Yes the shaft inside keeps breaking

Naths said:

Yes the shaft inside keeps breaking

Click to expand...

diff cross shaft , how rough is the driving your doing ,did you check shatf holes in carrier wernt worn before fitting either its a common failing not allways noticed

Naths said:

Yes the shaft inside keeps breaking

Click to expand...

so you are breaking the axles then. Blowing a diff is ring and pinion breaking

May take out to check and is not that ruff

Naths said:

May take out to check and is not that ruff

Click to expand...

cross shafts can break through too much strain shock loads etc or because of wear over time ,just trying to understand which