It is located just below the lower radiator hose.
Replace the drain plug gasket and don't over tighten it.
To drain the oil on a 1991 Chevy S10 Blazer, located the oil pan drain plug. Use a wrench to remove the plug and the oil will flow into the receptacle you have provided.
The wrench size should be 15mm.
The drain plug is located on bottom right side of rdiator if you are standing in front of vehicle On the very bottom of radiator
The drain plug would be at the lowest point under the engine. It will take a 15mm wrench to remove it counterclockwise.
The original engine oil drain plug wrench size would be 15mm.
The oil drain for the engine is located at the lowest point on the bottom of the engine oil pan.
The drain plug is at the bottom passenger side of the radiator. It takes a 1/4 inch extension to fit into the head to turn it.
Bottom right corner on the radaitor. It's there just hard to see.
AnswerThe engine oil drain plug is located at the lowest point on the engine oil pan.
The engine oil drain plug is located at the lowest point of the engine oil pan. It should take a 15mm wrench to remove it CCW.
The engine oil drain plug would be at the lowest point on the bottom of the oil pan. It should take a 15mm wrench to remove it couterclockwise.