If the AZ doufus was a mechanic, he/she would be making a living that way instead of selling parts. The goop modifies the coefficient of friction of the clutches in the lsd unit, making them more slippery. At the worst, you would have impaired lsd function, ruining nothing. 90% of everything, including advice, is crap, present company excepted, of course....

Not responsible for advice not taken...