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#1
09-15-2009, 12:46 AM
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Trunk Smells Like Diesel - A LOT!
My trunk smells like diesel, and always has. Lately, however, it seems to be getting worse. I checked the drain line that hooks up just below the fuel cap, and it is connected and runs out of the bottom of the trunk. I thought that maybe it had come disconnected, and I was draining diesel into the right side of the trunk, but it is still hooked up without a trace of diesel around it.
Any ideas? I'm fresh out.
__________________
1982 240D - 292,000 miles and counting Same family for 33 years Newly rebuilt Monark injectors Newly replaced clutch New Bilstein shocks 
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#3
09-15-2009, 10:46 AM
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Most likely a bad "fuel fill neck grommet", an easy fix.
__________________
 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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#4
09-15-2009, 11:46 AM
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Check the fuel neck gromet. They often turn to goo if you have spilled any biodiesel on them. Or they just get old and cracked. Also might think about replacing the fuel level sending unit o-ring. If you pull out the first aid kit holder look through the hole you will see the sending unit.
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Andrew '04 Jetta TDI Wagon  '82 300TD ~ Winnie ~ Sold '77 300D ~ Sold
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#5
09-15-2009, 02:34 PM
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The grommet also cracks when contacted by ULSD. I have to replace them yearly.
Where can you find new rubber for the fuel cap?
__________________
RRGrassi 70's Southern Pacific #5608 Fairmont A-4 MOW car 13 VW JSW 2.0 TDI 193K, Tuned with DPF and EGR Delete. 99 W210 E300 Turbo Diesel, chipped, DPF/Converter Delete. Still needs EGR Delete, 232K 90 Dodge D250 5.9 Cummins/5 speed. 400K Gone and still missed...1982 w123 300D, 1991 w124 300D
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#6
09-15-2009, 03:14 PM
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Seems odd that you've changed your gasket so much. I've only replace one in my wagon in the past 5 years that I've owned it.
The filler cap is the same and the oil cap on the engine, so it should be the same gasket.
__________________
Andrew '04 Jetta TDI Wagon '82 300TD ~ Winnie ~ Sold '77 300D ~ Sold
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#7
09-15-2009, 03:23 PM
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My 300D had a crack on the filler neck where it attaches to the tank. I guess it was from someone leaning on the nozzle when they were filling the tank. I fixed it with epoxy putty.
__________________
Democracy dies in darkness, you have to kick at the darkness till it bleeds daylight
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#8
09-15-2009, 09:00 PM
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Quote:
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#9
09-15-2009, 08:59 PM
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Quote:
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#10
09-15-2009, 11:46 PM
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Thanks for the info everyone. I will look into getting a new "fuel fill neck grommet." Do they just slide on and off???
__________________
1982 240D - 292,000 miles and counting Same family for 33 years Newly rebuilt Monark injectors Newly replaced clutch New Bilstein shocks
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#11
09-16-2009, 12:49 AM
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Quote:
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'81 MB 300SD, '82 MB 300D Turbo (sold/RIP), '04 Lincoln Town Car Ultimate Sooner or later every car falls apart, ours does it later! -German Narrator in a MB Promotion Film about the then brand new W123.
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