123 injector lines seeping/leaking?

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123 injector lines seeping/leaking?

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Mercedes Forum >> Mercedes Benz Models >> Diesel Discussions >> 123 injector lines seeping/leaking?

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123 injector lines seeping/leaking? - 6/10/2008 7:44:48 PM

seanarcher

Posts: 15
Joined: 6/10/2008
Status: offline

i have an 84 300dt and the first 3 injectors i can see pools of feul around them.the first three (return lines?)going from injector to another injector are dark and oily and the two closest to the firewall are dry.my question is what size hose or what type of hose would work best to replace the lines with?
thanks

Post #: 1

RE: 123 injector lines seeping/leaking? - 6/10/2008 9:29:08 PM

cycleboy

Posts: 88
Joined: 1/21/2008
Status: online

Just go to your local MB dealer and buy some of the hose. It''s slightly smaller than other available hoses (although similar to vacuum hose) and is also fuel resistant. It simply pushes on to the barbs on the injectors and is an easy replacement. You''ll need about 3 ft exactly. I just did my car last week after springing a gusher on one and it only cost me about $13. for hose and fifteen minutes of time.

(in reply to seanarcher)

Post #: 2

RE: 123 injector lines seeping/leaking? - 6/11/2008 6:21:44 AM

seanarcher

Posts: 15
Joined: 6/10/2008
Status: offline

these are the injector return lines are they not?i am new to diesel and havent worked on one till this year though i have tinked with gasoline engines since i was a teen.i have several manuals and am learning something every day.this site has been a good learning expereience too.i just want to have the terminology right when i go to order the parts.
thank you.

(in reply to cycleboy)

Post #: 3

RE: 123 injector lines seeping/leaking? - 6/11/2008 7:49:39 AM

cycleboy

Posts: 88
Joined: 1/21/2008
Status: online

yes, they are the return lines.

(in reply to seanarcher)

Post #: 4

RE: 123 injector lines seeping/leaking? - 6/11/2008 1:32:03 PM

ForcedInduction

Posts: 775
Joined: 5/20/2006
From: Federal Heights, Colorado
Status: offline

Use the cloth braided return lines made for MB. The rubber fuel hose and vacuum tubes will not hold up to the pressure and fuel.

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1980 240D 3.0VNT 222K Miles. OM617.95, GT2256V VNT turbo, 4-speed manual, 3.46 diff, 15mm rear swaybar, ALDA removed, no EGR and Amsoil by-pass oil filter. Currently 107HP and 195lb/ft of torque at the wheels.

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(in reply to cycleboy)

Post #: 5