It sounds like you need to change your Transmission Fluid but call a car dealer and ask.
The transfer case fluid on a 1985 Chevy Suburban should come to the bottom of the filler hose. It must be on a level surface to accurate measure fluid levels.
dot. 3 fluid.
DOT-3 brake fluid.
power steering fluid
Get a lube shop to do it.
Dexron II, IIE or III ATF TRANSMISSION FLUID
What is the fluid capacity front differential 2004
You must use-- DEXRON III Trans. fluid
A 1997 Chevrolet Suburban will hold approximately 4 quarts of transmission fluid. This fluid can be purchased at any auto parts store such as NAPA.
SAE 80W-90 GL-5 gear lubricant, Full time 4x4 is SAE 10W30 or 40 engine oil.
Dextron II fluid.
It does not matter on that year as long as it is power steering fluid.