Harry:

The seals I replaced are the copper washer between the pressure valve holder and pressure valve seat in the IP. There is also an o-ring in there that seals the holder to the pump body.

There are no separate seals on the injection lines -- they are flare fittings.

If you ever remove the injection lines, when you put them back on, pull the nut back on the line a little and insert the line fully into the injector or pump and hold it there while you screw the nut down. This ensures that the line is properly seated. If you just screw the nut down and draw the line in with it, you can get it crocked and ruin both line and fitting!

Another note -- I read in a diesel manual that some engines are very sensitive to variations in opening pressure between injectors -- make sure that all the injectors are set to the same opening pressure, not just within specs. May make a big difference in idle. If the shop doing your work isn't privy to this info, you can get a wide variation in opening pressure and have them tell you they are "fine" -- which they are, just not all the same!

Peter

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1972 220D ?? miles
1988 300E 200,012
1987 300D Turbo killed 9/25/07, 275,000 miles
1985 Volvo 740 GLE Turobodiesel 218,000
1972 280 SE 4.5 165, 000 - It runs!