Question: How do I bleed an oil heater line?
Option 0: First, find the oil line leading to the heater. There will be a small nozzle and valve along the bottom of it. Once you've found it, place something underneath it to collect the oil, then give the valve a quarter turn.
Option 1: First, find the bleeder valve. It's a small nozzle with a nut attached to it. Once you've found it, place something underneath it to collect the oil, then give the nut a quarter turn with a wrench.
Answer: 1