Run the engine to operating temperature. Park the car on a level surface. Put the transmission in Park and then check the dipstick. If the level is only at the "Add" mark, add a pint of transmission fluid.
Dexron III, but check with any auto store first.
Check of change fluid and filter--if this doesn't help it may be time for a rebuild
The 198 Buick Skylark was offered in a 2.5L L4 and 3.0L V6. Both power-train options were provisioned for automatic transmission fluid through the dipstick/tube assembly.
Gool ol' Dexron.
Call a GM Dealer's service center. They will know.
Well... pull-out that rather long dipstick located in the back of the engine compartment, and add some transmission fluid. Make sure you check the fluid level with the engine at operating temperature, in park and on a level surface.
Do you mean "change THE transmission" or "Change the transmission FLUID"? Big difference there....
Between the water pump and firewall on passenger side
On the 2.3 Quad 4 Skylark engine the power steering pump is at the front of the engine block behind the radiator, Usualy where you would see the oil dipstick. The cap should say power steering fluid. Check the dipstick that is on the cap, and fill until the dipstick reads full.
Check carefully, it may be power steering fluid from the reservoir just above and to the left. Look for a leaking hose or a cracked reservoir.
It is the transmission cooler hose or line. It runs the fluid through a cooler on the radiator to cool the transmission fluid.
You add fluid the same place you check the fluid.