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#1
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Vacuum build up in my new baby
Hi,
I'm a brand new member to the forum! I just bought a 1982 300D with 190k on her (my first mercedes). She is in great shape overall, the previous owner did a lot of mechanical things when he bought it from the original owner a year ago such as: New exhaust, complete, from the engine to the muffler New Upper and Lower front ball joints New Battery and battery pan New Bosh glow plugs Front-end Alignment New Injector return lines Replaced the left rear swing-arm (discovered a small hole in the original) Diesel Flush Coolant Flush Oil and Filter Primary and secondary fuel filters New brake line Steering box adjusted within spec by the area Mercedes Dealer. Mercedes-Benz seat bolsters for the driver’s seat. New Thermostat There is just one issue with vacuum build up in the gas tank. I have to release the pressure by taking the gas cap off every half tank or so. He told me there is a bell shaped valve under the drivers side that is probably clogged. Has anyone ever had this problem? Any advice would be great... |
#2
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There is a check valve on the vent line.
Look under the car, fuel tank is behind the back seat. You will see 3 lines. Fuel supply Fuel return Vent line I don't think they can be fixed but you can try to soak it in some kind of solvent. You can temporarily remove it until you get a new one. Just don't fill the tank all the way. Danny
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1984 300SD Turbo Diesel 150,000 miles OBK member #23 (\__/) (='.'=) This is Bunny. Copy and paste bunny into your (")_(") signature to help him gain world domination |
#3
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The return and vent lines are on the driver side, check return and supply lines for 'weeping' which will destroy your axle boot.
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1985 Euro 240D 5 spd 140K 1979 240D 5 spd, 40K on engine rebuild 1994 Dodge/Cummins, 5 spd, 121K 1964 Allice Chalmers D15 tractor 2014 Kubota L3800 tractor 1964 VW bug "Lifes too short to drive a boring car" |
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