Vacuum Pump Rebuild I'm going to cut to the chase. I'm not going to post the instructions included with the Cummins seal kit because it has a lot of stuff you can skip and save time. You'll need to pull the intake horn and APPS sensor to gain ample room to work. Now I didn't mess with the power steering pump at all. I unbolted it and pull it back out of the way. I would suggest getting a pan or something under before pulling the power steering pump it will spill some engine oil. As for