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#1
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Need help to identify this part
Spending another weekend trying to track down my hard hot start problem on my 1984 500SEC. Ready to install new injectors, seats and seals. Found what appears to be a weeping fuel hose directly above the rear axle and below the fuel tank. Small hose weeping is about three inches long.
Anyone know what kind of fuel line this is? Under pressure or return? And what is the part that appears to be a filter or damper attached to the line? Thanks in advance. Dan |
#2
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I guess it's a hydraulic oil valve (but not sure). Do you have a self-leveling rear suspensions or ADS?
__________________
Master Computer Engineer, A+, Network+, MCP/MCSA/MCSE 4/2k/2k3 - Messaging, MCTS, MCITP, MCT, Brainbench, ICDL and starting Ph.D 380SE 1984 <------- Totaled by flipping accident 300SE 1988 <------- Sold Volvo S70 2000 <---- 4 family Opel Omega 2002 <-- 4 family 560SEC 1989 <------ Sold 560SEL 1990 <------ Sold 560SEL 1991 <------ 4 my mother 560SEL 1989 <------ Sold 600SEL 1992 <------ Current http://search.ebay.com/_W0QQsassZkhazenzcc |
#3
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cdplayer
No. The 1985 and later models have that. Mine is a 1984, and the picture is definately of a fuel line. Just not sure what type. Or the purpose of the thingy attached to the line.
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#4
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Just a guess, but looks like it could be a fuel pressure valve of an older vintage.
http://catalog.worldpac.com/mercedesshop/sophio/wizard.jsp?partner=mercedesshop&clientid=catalog.mercedesshop&baseurl=http://catalog.peachparts.com/&cookieid=1VX0OZ4D924S15TCR8&year=1985&make=MB&model=500-SEL-001&category=All&part=Fuel+Pressure+Regulator
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Don '85 500SL (Euro) - 186,000 w/a complete restoration and engine rebuild at 154,000 '95 C280 - 174,000 |
#5
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It's called a fuel tank vent valve. There's two different versions that work - 1074700993 and 1234700393.
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#6
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cdplayer
Thanks for the info. But how does it work. If venting is needed, where does the valve vent to? Or from?
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#7
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The vent is from the fuel tank, and it vents to the intake manifold thru charcoal cannister.
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Roman _____________ 87 300SDL 152K 86 420SEL 228K 83 280SL 145K (5 spd) _____________ Last edited by romansek; 07-14-2007 at 10:13 PM. |
#8
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cdplayer
Well with your help I just answered my own questions. You identified the part. With that I then knew where to look in my shop CD. The vent valve vents to the charcoal cannister. Thanks
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#9
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cdplayer
The vent valve(at the fuel tank) is getting replaced along with it's weeping fuel line. However following the vent line up to the charcoal canister, I discovered another valve that appeared to be tired. This valve has three line connected to it. And appears to be leaking. My shop CD identifies this valve as a vent valve purge. I found both valves online at Mercedes Benz Parts Direct. Reasonably priced too.
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#10
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I forgot the exact name. It may be called a purge valve or something like that. In any case it has to do with the evaporative emmision system. I will be under fuel tank pressure so if you remove the gas cap it will not be under pressure and liquid gas should not come out of is or the line its attached to.
John Roncallo |
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