You can use any SAE certified rear differential fluid in your 1970 Chevrolet. The 1970 Chevrolet differential fluid can be checked from the differential fluid check port.
gear oil
What type of rear axle fluid is used in a 2006 GMC 5500
Ceck out "what type of automatic transmission fluid is needed for a 1993 Jeep Cherokee sport and in the front and rear differential" on wiki-answers
My 04 takes a 75w90 synthetic for the rear and 80w90 for the front.
How do you change the differential (rear) in 2005 Honda CRV
Use 80-90 gear oil.
Rear differential service is necessary to ensure that the lubricating fluid in the differential does not break down. Replacing the fluid can help prevent ware on the gears.
rear differential is low on fluid replace the fluid in the diff. or if that dont work you may have to replace it
Part of the rear end.
85W90 gear oil.
Just fill the the rear differential will fuild comes out and your done.