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Mercedes W123 Fuel Lines (Rear) Replacement

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Before replacing any of the lines at the rear of the car the fuel tank must be drained of any fuel. It is obviously best to perform this work when the fuel tank is near empty to avoid having to store too much fuel during the rest of the job.

The tank is most easily drained from the main fuel feed line which comes out of the bottom of the tank just above the rear passenger side axle.

It has a metal fitting on the top end that threads in to the tank screen.

The other end is rubber hose and clamps to the main metal feed line going towards the front of the car.

To limit fuel spillage when removing the clamped rubber end of the line, pinch the fuel hose between some vice grips as pictured.

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