hey guys my mums mates territory diff is playing up took in to the shop and they reckon new diff bears and pinion now they said parts will be about 400 but labour would be 1300 now im a 3yr deisel mechanic i do work on a fair few cars but havent played with diffs all that much. is it a hard job to do id rather not do it at all but he really cant afford 1700 dollars