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#1
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Fuel Line - Return lines from injectors + Main lines (Biodiesel)
I tried a few searches but couldn't find the exact info needed.
Can somebody tell me quickly what size fuel lines I've got on my 78 240D, and maybe how to source some Viton or other platicized line appropriate for biodiesel? I've got a leak right now in the small injector return lines. This doesn't seem to be biodiesel related but rather the result of age because the line I pulled off cracked and was very hard, not swelling. I did cut off a section of the return line to take to an auto parts store and measure, but I don't have a measuring caliper to make things accurate and easy... I do have noticeable swelling in the return line from the top of the fuel filter housing to the hard line running back to the tank, so I would like to do this all at once. The lines back between the tank and the hard lines look good. Running up to B99. All help appreciated. Thanks, B
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1978 240D 4 spd. manual 1983 Toyota Land Cruiser BJ42 Diesel 5 spd. Both biodiesel powered |
#2
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Grease Works sells 100% viton hose kits specific for each model of MB as well as MB parts. http://www.greaseworks.org/store. As well as bulk viton and bulk viton lined hose.
The injector return lines are 1/8", and the rest of the fuel lines are 5/16".
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Andrew '04 Jetta TDI Wagon '82 300TD ~ Winnie ~ Sold '77 300D ~ Sold
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#3
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I'm told that as long as you use quality fuel line, ie. something sold here on Mercedesshop.com or another of the quality vendors, you'll have no problem with biodiesel. Many start running biodiesel with 5 year old hoses that are about gone anyway, then run the biodiesel, the hose fails, and they think the biodiesel caused it. This is what I'm told, I haven't run biodiesel personally.
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1985 300D, 237k. 1994 F-350, 6.9 diesel, 5 spd manual, Banks Turbo. 261k. Sold: 1985 300CD- 267K |
#4
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This is true. As long as you use good quality fuel line you'll be fine for a godo while. A lot of people like to put on viton so they don't have to use worry about it.
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Andrew '04 Jetta TDI Wagon '82 300TD ~ Winnie ~ Sold '77 300D ~ Sold
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#5
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I replaced mine with stock type ( although the return lines are black cloth now) and defintely plan on biodiesel use.
Another issue is the o rings in the IP I read here. And I'm not sure if my "new" W124 95 is at risk as much as a 85 W123. |
#6
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Quote:
John
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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! |
#7
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Quote:
Jim
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1979 Mercedes 240D (Sold to a neighbor last year,now I have room for a new one,looking for a 300D this time) 1980 Mercedes 240D(bought for a parts car, but I have fun driving it!) |
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