differential

With 125.000km I decide to change rear differential oil. Opel(Vauxhall) state that it is "fill for life" (it is also stated for transferbox, Haldex coupling, automatic transmmision AF40, power steering itc.- so you dont need to change anything :confused:....but I will change them all :cool:)...

Hi there I have a Zafira A with 89k miles and I have noticed a problem when I start the car up and drive off if I am at a slow speed its fine but when I go to pick up speed my steering wheel will bare to the left about 2 inches but the car is still going straight but when I take my foot off the...