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crwdns2944351:0crwdnd2944351:0Mercedes W123 Fuel Tank Strainer Maintenancecrwdnd2944351:0crwdne2944351:0

crwdns2933797:0Nicolas Siemsencrwdnd2933797:0crwdne2933797:0

crwdns2936043:0crwdne2936043:0 crwdns2933505:0crwdne2933505:0 Nicolas Siemsen

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Mercedes W123
Type
maintenance
Title
Mercedes W123 Fuel Tank Strainer Maintenance
Introduction
That's right, there is another filter in the tank on your W123! Mercedes didn't think it was enough to have a fuel pre-filter, and a large spin on filter. They also chose to install a fuel strainer at the main outlet for the fuel tank to keep large particles out of your W123's fuel system. This often ignored item can become clogged enough that it 1) slows fuel flow to your engine, lowering power output 2) becomes clogged up to a certain point on the screen so that it effectively lessens the volume of your fuel tank since fuel below that line cannot pass or 3) become so clogged that it prevents fuel from flowing at all potentially leaving you stranded. Or, you might remove it only to find it's perfectly clean! But you won't know until you do it.
A good time to perform this work is when you have already drained the tank to replace the rear fuel lines.
Time Required Min
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Time Required Max
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Imageid
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Difficulty
Moderate
Conclusion
To reassemble your device, follow these instructions in reverse order.
Author
Nicolas Siemsen
Public
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