You need to get a manual for the year model and engine to get that answer.
You would have to remove the oil pan to replace it.
lift the engine
Its on the bottom of the oil pan.
The engine oil pan is bolted to the bottom of the engine on your 1994 Mercury Tracer
On a 1991 Mercury Cougar : The oil pump is INSIDE the oil pan ( the oil pan is bolted to the bottom of the engine )
Drain the engine oil. Remove the pan bolts. The engine may have to be unbolted from the motor mounts and lifted slightly to remove the pan. Pull the pan out, then install the new pan and gasket.
Place a drip pan below the oil pan and oil filter. Remove the oil pan plug. Drain the oil into the oil pan. Replace the plug to the oil pan. Turn the oil filter to the left, to remove. Fill the oil filter with oil and replace it to its original position. Fill the motor with oil.
THE OIL PAN IS ON THE BOTTOM OF THE ENGINE
Drain plug is located on the oil pan. Never heard of a oil leak pin.
The oil pan is bolted to the bottom of the engine
The oil pan covers the bottom of the engine.
The oil pan is bolted to the bottom of the engine