8. With soft driver and mallet, gently tap on the front of the shaft and get ready to catch parts as they come out the back. In order, they are: end cover, pressure spring, pressure plate, cam ring, two guide pins, and vanes. The rotor and thrust plate will come out as an assembly. There are two O-rings in there that also have to come out. Next, pull the seal out with a puller, then with a hammer and driver, drive the bushing out from the back of the pump.