[1965 Pontiac Parisienne]

Hi friends
Just like to Change the rear axle Fluid in my 65 Bonneville.
Which lubricant i have to use?
75 GL 4 or GL 5 hypoid Oil?

Thanks for any help
Cheers Bjoern

[1965 Pontiac Parisienne]

Originally Posted by 1965 Pontiac Parisienne

Hi friends
Just like to Change the rear axle Fluid in my 65 Bonneville.
Which lubricant i have to use?
75 GL 4 or GL 5 hypoid Oil?

Thanks for any help
Cheers Bjoern

I have to correct me.. i have just use mineral Castrol EP 80W-90 Hypoid GL5 with some rest of GL4 i have storaged .. would this work? I think it`s no problem to mix GL5 and GL4 ..correct me if i think wrong..

Thanks