Attention: TDR Forum Junkies 
Just R&Red my vacuum/power steering pump to fix an oil leak and though I’d share. Here’s my step-by-step procedure. This is for a 2001.
First order the “O” ring and seal kit from John at CCFF. -- email address removed --. Once the pump is out follow his instructions on replacing the seal and “O” rings. I also ordered a new gasket from Cummins to replace the old one where the pump connects to the back of the timing cover.
1) First turn the wheels all the way to the left so that the pitman arm is not in your way.
2) From underneath disconnect the braided oil supply line
3) Remove the bracket that holds up the back part of the pump.
4) There are 2 bolts that hold the pump assembly to the back of the timing cover. Remove the bottom bolt.
5) Remove the air intake pipe were it connects to the inner cooler. Later while you’re on top you’ll disconnect the air pipe from the air horn and completely remove the air pipe.
6) At this point I would put down some card board and a drip pan to catch the power steering fluid.
7) From the top side disconnect the air pipe from the intake air horn and remove the air pipe.
8) Disconnect the fuel line where it connects to the injection pump.
9) Now you have a clear open area to the pump.
10) Disconnect the power steering lines from the back of the power steering pump. This was the most difficult part for me.
11) Disconnect the vacuum line.
12) Remove the top bolt that holds the pump to the back of the timing cover.
13) Grab the back of the pump and move up and down until the pump starts to come loose. Now move the pump back toward to fire wall until the front gear is clear of the timing cover. Let the back of the pump drop with your right hand and pull the pump out with the gear facing you.
14) Follow the instructions in the “O” ring kit and replace the seal and “O” rings. The cylinder that the new seal goes into tapers so make sure you use the correct size sockit for driving in the new seal.
15) For replacing the pump just reverse the removal order. 1 bit of advice in doing this, place some grease on the top bolt and place it in the mounting plate so it doesn’t fall out while you’re maneuvering the pump back in place.
16) Refill the power steering reservoir. Start the engine. If you can’t turn the wheels rev the engine up to about 2000 rpms. Once your able to turn the wheels just turn them 1 time. Turn off the engine and check the power steering fluid. Fill to the cold level.
17) Start the engine and turn the wheels all the way back and forth 20 times.
18) Re-check the power steering fluid.
19) Check for leaks
There you have it. Hope this helps
Cliff
First order the “O” ring and seal kit from John at CCFF. -- email address removed --. Once the pump is out follow his instructions on replacing the seal and “O” rings. I also ordered a new gasket from Cummins to replace the old one where the pump connects to the back of the timing cover.
1) First turn the wheels all the way to the left so that the pitman arm is not in your way.
2) From underneath disconnect the braided oil supply line
3) Remove the bracket that holds up the back part of the pump.
4) There are 2 bolts that hold the pump assembly to the back of the timing cover. Remove the bottom bolt.
5) Remove the air intake pipe were it connects to the inner cooler. Later while you’re on top you’ll disconnect the air pipe from the air horn and completely remove the air pipe.
6) At this point I would put down some card board and a drip pan to catch the power steering fluid.
7) From the top side disconnect the air pipe from the intake air horn and remove the air pipe.
8) Disconnect the fuel line where it connects to the injection pump.
9) Now you have a clear open area to the pump.
10) Disconnect the power steering lines from the back of the power steering pump. This was the most difficult part for me.
11) Disconnect the vacuum line.
12) Remove the top bolt that holds the pump to the back of the timing cover.
13) Grab the back of the pump and move up and down until the pump starts to come loose. Now move the pump back toward to fire wall until the front gear is clear of the timing cover. Let the back of the pump drop with your right hand and pull the pump out with the gear facing you.
14) Follow the instructions in the “O” ring kit and replace the seal and “O” rings. The cylinder that the new seal goes into tapers so make sure you use the correct size sockit for driving in the new seal.
15) For replacing the pump just reverse the removal order. 1 bit of advice in doing this, place some grease on the top bolt and place it in the mounting plate so it doesn’t fall out while you’re maneuvering the pump back in place.
16) Refill the power steering reservoir. Start the engine. If you can’t turn the wheels rev the engine up to about 2000 rpms. Once your able to turn the wheels just turn them 1 time. Turn off the engine and check the power steering fluid. Fill to the cold level.
17) Start the engine and turn the wheels all the way back and forth 20 times.
18) Re-check the power steering fluid.
19) Check for leaks
There you have it. Hope this helps
Cliff
Last edited by a moderator:
