The W116 LibraryThe definitive W116 resource!
Started by Feather535, 11 September 2022, 05:50 PM
Quote from: Randys01 on 12 September 2022, 01:48 AMwots the fuel volume going into the fuel distributor?
Quote from: Feather535 on 11 September 2022, 05:50 PMIn continuing to chase down poor running issues on a 280 SE that hasn't been on the road in 10 years (stumble on acceleration, cold or hot), I tested the fuel output at the return line and it's about 250 ml in 30 seconds - way below spec.The seller said he replaced the fuel pump and filter and they look new, but the accumulator and damper can on the fuel pump are obviously old. The manual says to check for restrictions on the inlet side of the fuel distributor, I removed the fuel line and the brass fitting with male threads on both ends that screw into the distributor on one side and the fuel line on the other. It's hard to see inside that fitting, but it looks like there is a sort of soft rubber nipple in there. I can blow compressed air through it and see a bit of daylight, but it's partially blocking the inlet. Is it supposed to be there? Anything else to check? Voltage to the pump is correct.
Quote from: raueda1 on 13 September 2022, 09:51 AMI recently went to hell and back with fuel flow problems because of that fitting. There's a tiny screen filter inside that can clog very easily.
Quote from: raueda1 on 13 September 2022, 10:31 AMI'm ordering a couple right now. Website says it's not a fit but I don't believe it. Cheap enough to take the gamble.
Quote from: raueda1 on 13 September 2022, 10:31 AMThis looks like SteveDuNord's part.https://www.pelicanparts.com/More_Info/0000746086.htm?pn=000-074-60-86-MBZ&gclid=CjwKCAjw1ICZBhAzEiwAFfvFhJxB_RHbZOKyRkOzJVvNVZL_aMCJ5kOKB1IjBg7oNz3f4F50-AcNOBoCjhIQAvD_BwEIt certainly fits and I can't see the filter being any less useful than the strainer bud. I'm guessing they changed over to a synthetic filter because it's replaceable (?), or perhaps because it's cheaper? The thread is slightly longer at one end but the same diameter/thread spacing. I'm ordering a couple right now. Website says it's not a fit but I don't believe it. Cheap enough to take the gamble.
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