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#1
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Kind of stupid fuel filter question 85 300 SD
Really dumb, but crucial, question,
On the cannister fuel filter for an 85 300sd, what is used as a gasket? Is it an aluminum ring, a copper ring, a rubber gasket, or some combination of these? The shop guys were unable to help. Go figure. Thanks Jim |
#2
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filter canister
The filter has a rubber ring built into it same as an oil filter...
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"I have no convictions ... I blow with the wind, and the prevailing wind happens to be from Vichy" Current Monika '74 450 SL BrownHilda '79 280SL FoxyCleopatra '99 Chevy Suburban Scarlett 2014 Jeep Cherokee Krystal 2004 Volvo S60 Gone '74 Jeep CJ5 '97 Jeep ZJ Laredo Rudolf ‘86 300SDL Bruno '81 300SD Fritzi '84 BMW '92 Subaru '96 Impala SS '71 Buick GS conv '67 GTO conv '63 Corvair conv '57 Nomad |
#3
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The infamous 617 fuel filter setup is as follows:
Seal from the filter itself to the housing is the rubber ring on the filter. The top fuel bolt that the filter spins on to has two seals. One seal is a little rubber ring that goes around the bolt itself. It may be hard and flat if it hasnt been change din a while. The other seal is a copper crush washer that goes between the bolt head and the filter housing. It can be tricky to get it not too leak from the top fuel bolt. Tighten the top bolt to 20nm and hope for the best. There are threads hat talk about annealing the copper crush washer as well to attain a better seal. dd
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------------------------------- '85 300D, 'Lance',250k, ... winter beater (100k on franken-Frybrid 3 Valve Kit) '82 300D, 'Tex', 228k body / 170k engine ... summer car '83 300TD Cali Wagon 210k, wife's car |
#4
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Thanks Dan
So Dan, is the rubber o-ring the same size as the copper crush seal, or does it fit inside of the copper ring? Above it? Below it?
Thanks a lot! Jim |
#5
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mine does not have the little rubber piece around the bolt, but it does have the crush washer. Mine does not leak, but it is put in rather tight.
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RRGrassi 70's Southern Pacific #5608 Fairmont A-4 MOW car 13 VW JSW 2.0 TDI 193K, Tuned with DPF and EGR Delete. 91 W124 300D Turbo replaced, Pressure W/G actuator installed. 210K 90 Dodge D250 5.9 Cummins/5 speed. 400K |
#6
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Crush Washer
Is your crush washer aluminum or copper?
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#7
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BENZ THERE DONE THAThttp://www.peachparts.com/shopforum/...c/progress.gif 15 VW Passat TDI 00 E420 98 E300 DT 97 E420 Donor Car - NEED PARTS? PM ME! 97 S500 97 E300D 86 Holden Jackaroo Turbo D 86 300SDL (o\|/o) |
#8
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The #9 part is missing on my assembly. It is just a regular o-ring or a metal/rubber insert type covered by a copper crush washer?
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RRGrassi 70's Southern Pacific #5608 Fairmont A-4 MOW car 13 VW JSW 2.0 TDI 193K, Tuned with DPF and EGR Delete. 91 W124 300D Turbo replaced, Pressure W/G actuator installed. 210K 90 Dodge D250 5.9 Cummins/5 speed. 400K |
#9
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Mines just a metal washer that is covered by a rubber o ring
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BENZ THERE DONE THAThttp://www.peachparts.com/shopforum/...c/progress.gif 15 VW Passat TDI 00 E420 98 E300 DT 97 E420 Donor Car - NEED PARTS? PM ME! 97 S500 97 E300D 86 Holden Jackaroo Turbo D 86 300SDL (o\|/o) |
#10
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Most newer bolts do not have that copper crush ring, if it's not leaking at top of bolt, you don't need one. My '82 240 needed one, I was unable to locate a copper one, used a composite instead, "#30 cap thread gasket stock no 35566B" that I got from my local hardware store, doing fine. The "o" ring, regular rubber #9, I think should be there. They are different sizes, the "o" ring fits in a groove machined into the bolt, the washer fits to just below bolt head.
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83 SD 84 CD |
#11
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Part#8:
http://catalog.worldpac.com/mercedesshop/sophio/quote.jsp?header=header.jsp&footer=&product=y3060-70385&partner=mercedesshop&baseurl=http://catalog.peachparts.com/&clientid=catalog.mercedesshop&cookieid=1U50RYHE224Z11G7IL Part#9: http://catalog.worldpac.com/mercedesshop/sophio/wizard.jsp?partner=mercedesshop&clientid=catalog.mercedesshop&baseurl=http://catalog.peachparts.com/&cookieid=1U50RYHE224Z11IKCE&year=1985&make=MB&model=300-SD-002&category=E&part=Hollow+Bolt+Seal+Ring Not sure if your 1985 uses the aluminum washer or not. My '82 does, but they eliminated it in a later year, but sure when that was.
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82 300SD 202K 82 300SD 233K 83 300TD 340K 82 300TD 98k euro (parts on the hoof) 85 300TD 282K 83 300TD 197K |
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