RE: [diesel_mercedes] 300TD Fuel Tank Cleaning

The picture that Brian sent me looks nothing like my tank, I'm thinking it's a picture for a sedan.  The big hex on my tank is in the bottom of the tank, and the two hoses run right into the front of the tank.  If I were to take these hoses off there would just the nipples, nothing else to remove.
 
Perhaps there is a pipe or something inside the tank that runs into the middle of the strainer, I don't know.  I found out my car was originally built for the Japanese market, so some things could be different who knows.
 
Thanks you guys for responding.  When I get it all figured out I'll post what I found and what I did about it.
 
 
Mike
 
 

Hi Mike ;

Right where the fuel hose attches to the bottom of the tank , should
be a 46MM hex , you unscrew this and all manner of Diesel fuel and
sludge etc. should come rushing out . (so have a BIG pan ready &
lots of rags , too)

Get a few gallons of gasoline and use it to rinse out the remaining
sludge and kill off the fungus , if that's what you have .

Use an old toothbrush & gas to _genlty_ clean the intank screen .

I'd prolly add a WIX/NAPA # 33011 filter before the intake screen in
the engine compartment and carry some spares , be ready to remove it
and blow it out reverse a few times before it'll stay clean .

You can add an entire 8 Oz. bottle of Startron to shock the fungus
to death , then use another big bottle in the required amounts over
the next few tankfulls to clean it all out .

I wonder of some PIA kid dropped a glob of Georgia clay into your
tank for fun......

Could be rust of you're _really_ lucky but de-rusing the tank is
easy , once you remove it .

-Nate
Mike Wrote :

Wagon fuel tank

Hey group.


My 81 turbo wagon will run good, then bad, then good, then bad. The
primary fuel filter fills up solid in under 150 miles. I searched
the archives for information on pulling the fuel tank, and found out
I most likely have organisms and slime in my fuel tank.

I looked under the car and didn't find a removeable in-tank screen.
There is no access to the top of the tank from the cargo area.
All's I found was a plug with a hex in the center of the tank bottom.

Am I going to have to pull the tank anyway? The material I find in
the filter is red, and looks very similar to this awful dirt we have
here in Georgia. I'm assuming it's rust. Would a couple cans of
that Startron help me at all? Thanks for any advice.


Mike Clark
1981 300TD
Stockbridge, Georgia

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