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Old 06-01-2003, 06:11 PM
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Fuel leak by gas tank

I noticed some diesel fuel on my drive way, trace it to the fuel tank " out " line on the right side of the gas tank. Is this hard to change? Anything else I need to do beside just changing that line? Is this something I need to do right away? Any danger? I also found a small leak on my air conditioning line by the power steering reservoir ( the thick hose with special fitting ) is there anyway to patch that up? The line seems to come from compressor to firewall. Thanks a lot... This is for 83' 240D
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Old 06-01-2003, 09:52 PM
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Join Date: Jan 2000
Location: PA
Posts: 5,440

I didn't think MB 300CDs had gas tanks. Fuel tanks maybe. LOL

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Old 06-02-2003, 12:10 AM
lrg lrg is offline
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Join Date: Jul 2001
Location: San Francisco
Posts: 1,163
Sure they have gas tanks, more accurately sub atmosphere pressure gas tanks. They're called vacuum resevoirs.
1987 300D Turbo 175K
2006 Toyota Prius, efficent but no soul
1985 300 TDT(130K miles of trouble free motoring)now sold
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Old 06-02-2003, 12:39 AM
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smoke gets in your eyes
Join Date: Jun 2000
Location: SF Bay Area
Posts: 20,787
I have to deal with a leaky supply hose or strainer o-ring in the SD. Anyone know what size hex is on the strainer?

91 300SE
87 300SDL
83 300SD
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Old 06-07-2003, 02:49 PM
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Thanks Bill, I did my return hose, clean the strainer screen and also change the two short fuel lines on the left. The lines was easy, but I had a hard time taking out the strainer even with the 46mm socket. As for the A/C, I took the A/C upper manifold hose to an air conditioning place and had them made me the new rubber part ( fastlane wants over $200 for that hose ), put it back together, vacuum and recharge. Everything seems to be working fine, total cost 50 bucks.
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