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#1
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Hello W124 Diesel Fans, I have a 95 E300D with a leaky fuel line (the one that goes from the fuel filter to the main pump (not the assist pump). This line is part no. 601 070 2232 and is pretty dark from heat and the o-ring in the main pump end was leaking. I went to my local dealer and talked to the parts guy who informed me that MB no longer sells this part and has replaced it with part no. 601 070 5332. The old line has a clip on attachment, the new one is a bolt on. I wonder how the installation on this goes. Anyone done this?
I'm waiting for the part to come in but I'm wondering if that bolt is just going to go right into my pump or if some special installation procedure is going to be needed. I imagine MB would not make this impossible to do, but.... I'm attaching a photo of the old hose. I was able to get the o-ring on the fuel filter end of the old hose but the pump end (see pictures) o-ring was not even shown on the parts list since MB states that the "old part is not to be reinstalled." So out of luck there. Would appreciate any help on this. Maybe someone has had to do this before. |
#2
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The new style hose with a banjo fitting will bolt right up. Of course you'll need the new bolt and seal rings, but the female threads are already in place.
That hose looks like it's pretty well roasted, and it's missing the clips. I'd strongly suggest replacing ALL those fuel lines while you're in there. They are cheap, and it's well worth getting that job out of the way all at one time.
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Current rolling stock: 2001 E55 183,000+ Newest member of the fleet. 2002 E320 83,000 - The "cream-puff"! 1992 500E 217,000+ 1995 E300D 412,000+ 1998 E300D 155,000+ 2001 E320 227,000+ 2001 E320 Wagon, 177,000+ Prior MBZ’s: 1952 220 Cab A 1966 300SE 1971 280SE 1973 350SLC (euro) 1980 450SLC 1980 450SLC (#2) 1978 450SLC 5.0 1984 300D ~243,000 & fondly remembered 1993 500E - sorely missed. ![]() 1975 VW Scirocco w/ slightly de-tuned Super-Vee engine - Sold after 30+ years. |
#3
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Thanks, I did order the bolt and ring seal.
Wasn't sure if there'd be threads in there. Will get the other lines also. They are all pretty toasted. |
#4
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FYI
Quote:
This is a simple DIY, all of the parts are listed in this thread http://www.peachparts.com/shopforum/mercedes-parts-reference-library/192082-1995-e300-d-plastic-injection-pump-lines-om606-910-a.html#post3434732 .
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ASE Master Mechanic https://whunter.carrd.co/ Prototype R&D/testing: Thermal & Aerodynamic System Engineering (TASE) Senior vehicle instrumentation technician. Noise Vibration and Harshness (NVH). Dynamometer. Heat exchanger durability. HV-A/C Climate Control. Vehicle build. Fleet Durability Technical Quality Auditor. Automotive Technical Writer 1985 300SD 1983 300D 2003 Volvo V70 https://www.boldegoist.com/ |
#5
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Thank you for all the great info. I'll post pictures when done.
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#6
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As an aside, consider replacing the two rubber fuel feed and return lines while you're there. If it's worth doing, it's worth doing completely. The actual rubber lines deteriorate over time and introduces air into the system.
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Allen Kroliczek Oak Grove Autosport | Oak Grove Autosport 01 G500, 82 300TD, quite a few more..... |
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