back diff X 3 2006 problem

[niall o connor]

Can anyone help me, I just bought an x 3 2006 2lt manual diesel 190.000 k ,
There is a noise in the rear left diff when i slowly turn on a full lock , it sort of catches or jams a bit , hard to explain . I feel it when turning sharply . like something catching at the back left axel ? .

What would this be and would it be expensive to fix ? ,
Any advice appreciated ,

Niall.

[AceEngineer]

Some lockers will act like that. Any chance you have a posi in the back? It may be worth pulling the cover to see.

AceEngineer :

[Rustynuts]

Dunno, maybe look at everything involved? Has the driveshaft been replaced? Fresh Diff fluid? Half shafts tight? Suspension elements OK?

[dano1200r]

I can answer the expensive part of the question.

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