W123, SVO/WVO parts

617 Injector return line replacement

Greetings, all.

I've got all the parts I need to replace the fuel injector return lines on my 617 engine, but I'm not sure what tools I should have and what procedures I need to follow. Most that I've read says I only need a pair of needle nose pliers, but this seems too simple to me. Is it really just a matter of pulling the old guys out and pushing the new ones in?

Thanks!

Collin

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1985 300TD - Fuel Boost Pump Problem?

A couple of years ago I installed the fuel boost pump sold on this site (DSE-COMAEBP) and the optional filter. Can failure of this pump result in fuel supply problems?

I ask because yesterday I developed the classic symptoms of a fuel supply problem: the car will start but runs rough and eventually stalls. I checked the boost pump filter, changed the main fuel filter and bled the air from the system, No change. I then ran diesel purge through the injectors and re-bled the air. No change.

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