Depends on the year and size of trans. Some were a 3/8 drive square, some 3/8 allen, and some are 17mm allen.
the size of drain plug and the oil level check plug is 17 mm on s-10 1999 manual transmission
17 mm
Requires more information, what size is the engine and is it an automatic or manual transmission?
Drain plug is hex 17mm; fill plug is hex 13mm
On the left side of the transmission, near the rear. It's about 22-24mm in size. The transmission fill plug in also the same size, and is located a few inches above the drain plug.
17mm (works for a 1998)
V8 auto is a 46RE V10 or diesel auto is a 47RE manual is a NV4500
24mm or use a 15/16 for a little tighter fit if its dorked up
For a 1997 S10 with a 2.2-liter 4-cylinder manual transmission, the Allen key size typically used for the transmission drain and fill plugs is 3/8 inch. However, it's always a good idea to double-check with a service manual or verify the size on the specific vehicle, as variations can occur.
The size of an elephants penis (Yes, I am an elephant)
The drain plug for the manual transmission on a 2005 Saturn Ion Coupe is typically located on the bottom of the transmission case. You'll need to look for a hexagonal bolt or plug that can be removed with a socket or wrench. Make sure to use the appropriate size and ensure the vehicle is securely raised and supported before attempting to access it. Always consult the owner's manual for specific details and safety precautions.
It uses a 46RE transmission.