Search results

The DB2 pump has been utilized by nearly every engine manufacturer and the design has survived from inception to obsolescence. In that time, I think you are the first person to have this complaint.

Notice the dab of orange paint on the retaining screw? That's tamper evident paint. You're not supposed to be taking that part off the pump. Don't blame the engineers for this one. Do take the injection lines off. The engineers made it easy. They come off in pairs.

"Then I tried to hit the serations with a punch. It has flats for a wrench...

There is a serrated edge where the cap meets the pump body. It has a small Allen screw with a plate that engages the serrations lock the cap in place. Remove this screw before trying to turn the cap. There are wrench flats on the cap near the inlet fitting. You can see them in the image I...

I looks like the end cap has to come off the pump.

Inlet screen on the injection pump? Are there no other filters before it? A screen on the IP should NEVER clog.