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#1
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Which one is the O-ring?
in the oil filter shaft there seems to be 2 o-rings?
which one should I replace?
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Ben 1987 190d 2.5Turbo |
#2
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Both. They're the same size O-ring, by the way.
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1981 Mercedes 300TD, 1994 Honda Civic Del Sol http://mefi.us/images/fuelly/smallsig-us/67195.pnghttp://mefi.us/images/fuelly/smallsig-us/103885.png |
#3
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both were hard as rocks. i was beginning to wonder if they were plastic!
so to replace do i just use a pick to pull it out and put new ones in? anything to watch out for?
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Ben 1987 190d 2.5Turbo |
#4
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Yup, just get the old ones off. Make sure the slots are clean before you put the new ones on, and that you have the right size o-ring.
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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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whunter buys the big metric O-ring pack from Harbor Freight for about 3 bucks )(?) and has enough O-rings for all MB applications. Invest and buy, you won't be sorry.
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Strelnik Invest in America: Buy a Congressman! 1950 170SD 1951 Citroen 11BN 1953 Citroen 11BNF limo 1953 220a project 1959 180D 1960 190D 1960 Borgward Isabella TS 2dr 1983 240D daily driver 1983 380SL 1990 350SDL daily driver alt 3 x Citroen DS21M, down from 5 3 x Citroen 2CV, down from 6 |
#6
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not true.
the same size will work, but the correct size is 7mm for the top ring, and 6mm for the bottom... both have 2mm wall, so I use 6mm/10 for the bottom, and 7mm/11 for the top groove.
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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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oring kit
I just ordered all of the orings (and crush washers) that I need for my 95e300d fuel lines. i also have the Harbor Freight metric kit. I will cross reference using my micrometer and post something. Until I measure for myself, I am not convinced that the Harbor Freight kit contains EXACTLY the sizes required.
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2009 E320 Bluetec 117,000 1995 E300D 306,000 Sold 1996 Ford Taurus LX 130,000 Sold 1985 300TD Still 225,000 Sold 2016 Ford Fusion 24,900 |
#8
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Quote:
Do you have a reliable reference for the sizes that you indicated? |
#9
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They fit.
the pair of 6's the EPC lists, do not fit. it's stretched too thin on the upper groove. a pair of 7's leaves the lower groove too large, and the ring gets stuck or tears in the hole.
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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! |
#10
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In my experience, they fit just fine.
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#11
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He's right, I think. The stem gets wider between them...the 6mm will work for the top one, but it gets stretched out.
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1981 Mercedes 300TD, 1994 Honda Civic Del Sol http://mefi.us/images/fuelly/smallsig-us/67195.pnghttp://mefi.us/images/fuelly/smallsig-us/103885.png |
#12
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As usual VSTECH is right again. They are not exactly the same size.
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1995 E420 152k 1991 300D 2.5 348116 daily driver 1992 300E 2.6 196k-work in progress(head gasket) 2002 BMW 745Li 93k |
#13
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Quote:
The o-rings specified by the MB EPC are the same size, even though the grooves are not. |
#14
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The O rings. If you look at the filter tube, you will actually notice that the shaft gets bigger.
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1995 E420 152k 1991 300D 2.5 348116 daily driver 1992 300E 2.6 196k-work in progress(head gasket) 2002 BMW 745Li 93k |
#15
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If you look at the EPC, you will actually notice that both o-rings have the same part number. Same part number, same size.
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