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Old 05-30-2020, 11:00 PM
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Join Date: Sep 2006
Location: Middle TN
Posts: 3,954
What is the expansion tank in LEft rear of 85TD

I have most of the interior out of the 85TD. There is a plastic tank that is damaged in the back driver side corner. There are 3 lines going to it. One line is open to the interior and the other 2 slide in and out of the tank.

Is this a fuel tank vent or what? I obviously don't want diesel fumes in the passenger compartment. I say a metal tank sold on Ebay for $150 + $30 shipping. I doubt that will happen. I'm too cheap.

85SD 240K & stopped counting painted, putting bac together. 84SD 180,000. Probably up for sale in the fall 2020 still have it. 85TD beginning to repair to DD status. Waiting on shop to do minor but more than I can do rust.
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Old 05-30-2020, 11:31 PM
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Join Date: Apr 2004
Location: Chicago
Posts: 198
That's the fuel expansion tank. The one on my 85TD was cracked and, yes, one would smell diesel fumes.

While it was a number of years ago, I picked up a steel tank for a lot less than that through the parts board here.

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