luckyd
Member
what methods has anyone used to drain the diff?? Buick did not put a drain plug in as the manual says you
should not need to change the fluid. Somehow I do not think they thought 50-60 years later you might
need (or want) to. Would a hand transfer pump work, maybe thin the oil out,???????
should not need to change the fluid. Somehow I do not think they thought 50-60 years later you might
need (or want) to. Would a hand transfer pump work, maybe thin the oil out,???????