Pulling injectors on a Volvo penta md6b boat engine. Made a slide hammer to pull them. First one came out fine but the second came out with the copper sleeve th

Pulling injectors on a Volvo penta md6b boat engine. Made a slide hammer to pull them. First one came out fine but the second came out with the copper sleeve that holds it so need to work on separating them. Letting time and gravity mix with penetrating oil for the past couple days