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#1
11-17-2010, 12:29 AM
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Correct size tubbing?
I am looking for the fuel lines that run between injectors on my 71 220D. There appears to be leaking injectors and I noticed when I moved the lines the air sucking noise left. I don't know the last time these were replaced and want to do it now. Also any tips on this procedure would be great. Thanks!
Is this the correct tubing? http://catalog.peachparts.com/ShopByVehicle.epc?q=&yearid=1971@@1971&makeid=63@@MERCEDES+BENZ@@X&modelid=16048%3AED|10000136%3AMBC|10000030@@220D&catid=240737@@Fuel+Delivery&subcatid=240792@@Fuel+Hose&applicationid=W0133-1643508@@Fuel%20Hose&mode=PA 
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#2
11-17-2010, 12:47 AM
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3.2mm if that is the per foot price thats a good deal!
As for the procedure cut the new lines to match the old ones. I just pull them off and push them back on by hand. sometimes you have to use pliers, but that can damage the hose.
__________________
 1983 Toyota Tercel 4WD Wagon - 1984 Mercedes-Benz 300SD 4-Speed(My Car!) 2005 C230 Kompressor 6-Speed Manual
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#3
11-17-2010, 12:48 AM
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Not sure if that's the right hose. Can't tell from the picture. They're called return lines. Thread on the topic in the last few days title "braded hose" (spelled that way) I think. Don't damage the barbed nipples when removing.
__________________
1977 300d 70k--sold 08 1985 300TD 185k+ 1984 307d 126k--sold 8/03 1985 409d 65k--sold 06 1984 300SD 315k--daughter's car 1979 300SD 122k--sold 2/11 1999 Fuso FG Expedition Camper 1993 GMC Sierra 6.5 TD 4x4 1982 Bluebird Wanderlodge CAT 3208--Sold 2/13
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#4
11-17-2010, 01:02 AM
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Thanks! I will place the order on payday!
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#5
11-17-2010, 01:32 AM
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I am surprised that your 220D uses the wimpy braided hose method of return lines. Our '68 had this all piped together with metal lines and banjo fittings. Never had to replace any of this, including the injectors in 20 years of driving that car. Never any leaks either !!
When did the system change???
__________________
1961 190Db retired 1968 220D/8 325,000 1983 300D 164,150
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#6
11-17-2010, 02:36 AM
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__________________
there were three HP ratings on the OM616... 1) Not much power 2) Even less power 3) Not nearly enough power!! 240D w/auto Anyone that thinks a 240D is slow drives too fast. 80 240D Naturally Exasperated, 4-Spd 388k DD 150mph spedo 3:58 Diff We are advised to NOT judge ALL Muslims by the actions of a few lunatics, but we are encouraged to judge ALL gun owners by the actions of a few lunatics. Funny how that works
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#7
11-17-2010, 07:35 AM
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Make the replacements a bit too long. That way when they leak next time you can cut 1/2' off each end & re use the hose. Be careful not to get them in the way of the throttle linkages.
Good Luck.
__________________
Grumpy Old Diesel Owners Club group I no longer question authority, I annoy authority. More effect, less effort....  1967 230-6 auto parts car. rust bucket. 1980 300D now parts car 800k miles 1984 300D 500k miles  1987 250td 160k miles English import  2001 jeep turbo diesel 130k miles  1998 jeep tdi ~ followed me home. Needs a turbo. 1968 Ford F750 truck. 6-354 diesel conversion. Other toys ~J.D.,Cat & GM ~ mainly earth moving
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#8
11-17-2010, 08:22 AM
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Quote:
__________________
85 300D turbo pristine w 157k when purchased 161K now 83 300 D turbo 297K runs great. SOLD! 83 240D 4 spd manual- parted out then junked
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#9
11-17-2010, 09:07 AM
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Quote:
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#10
11-17-2010, 09:31 AM
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Just got in the mail from Mcmaster: 5549K31 25 ft Clear Tygothane Polyurethane Tubing 1/8" ID, 1/4" OD, 1/16" Wall Thickness $0.55 a ft. I'll be trying it out and can report results if you're interested.
__________________
85 300D turbo pristine w 157k when purchased 161K now 83 300 D turbo 297K runs great. SOLD! 83 240D 4 spd manual- parted out then junked
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#11
11-17-2010, 09:36 AM
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I've been using it for years. works great.
I put some on in 06 on my daily driver SD, still going strong.
__________________
John HAUL AWAY, OR CRUSHED CARS!!! HELP ME keep the cars out of the crusher! A/C Thread "as I ride with my a/c on... I have fond memories of sweaty oily saturdays and spewing R12 into the air. THANKS for all you do! My drivers: 1987 190D 2.5Turbo 1987 190D 2.5Turbo 1987 190D 2.5-5SPEED!!!  1987 300TD 1987 300TD 1994GMC 2500 6.5Turbo truck... I had to put the ladder somewhere!
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#12
11-17-2010, 11:06 AM
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Polyurethane is neat that you can see through it, but it may not stay fast at the press-on junctions for as long as standard black braided hoses do. The poly hose tends to "harden to shape" and looses pliability faster than black.
__________________
Cheers! Scott McPhee 1987 300D
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