What is fuel return pipe?
The fuel return hose is a fuel system hose that is found on vehicles equipped with carburetors. It’s primary purpose is to return excess fuel from the carburetor to the fuel pump, however it serves other important functions as well.
What are fuel line sizes?
Recommended Size, Based on Horsepower
| Recommended Fuel Line Size (from the tank to the pump) | ||
|---|---|---|
| Engine Output | Size (inches) | Size (AN) |
| 350 hp or less | 5/16 in. | -5 |
| 350-450 hp | 3/8 in. | -6 |
| 450-650 hp | 1/2 in. | -8 |
How long does a Mercedes fuel return line last?
Brittle, old injector return lines can leave you stranded when they split and leak fuel all over your engine. You’ll need to keep an even closer eye on them if you run biodiesel. If you use 99% biodiesel they may only last a year.
Where are the return lines on a Mercedes?
Learn to replace them now, and keep some spare in your trunk for emergencies. As shown here, the injector return lines go from one injector to the next. And then they stop with a plug at the rearmost injector, closest to the firewall. The lines should simply pull off of the injector nipples. These lines were fairly stiff, but not brittle yet.
Where does the fuel line start on a Mercedes W123?
Another helpful tip is to use a small needle nose plier to start the line on the injector nipple when the space if too tight for your fingers. Don’t forget to replace the long piece of line that runs from the front-most injector to the secondary fuel filter housing. It starts here at the front-most injector. And connects here at the filter housing.
Where are the fuel pipes on a Mercedes Benz?
Getting there guys, i shall replace 2 of the fuel pipes as they are very easy to get to, but there are 2 pipes seem to come from behind the engine, one is to the HP pump, i think (can’t remember offhand) the other one goes to the low pressure pump, but they are tucked away, does anybody know if they’re easy to get to??? Gordon.
Where can I buy Mercedes E class e220d?
With 1,052 used Mercedes-Benz E Class E220d cars available on Auto Trader, we have the largest range of cars for sale available across the UK. These deals are based on terms of 8,000 miles, for a 36 month lease with a 6 months initial payment.
Brittle, old injector return lines can leave you stranded when they split and leak fuel all over your engine. You’ll need to keep an even closer eye on them if you run biodiesel. If you use 99% biodiesel they may only last a year.
Learn to replace them now, and keep some spare in your trunk for emergencies. As shown here, the injector return lines go from one injector to the next. And then they stop with a plug at the rearmost injector, closest to the firewall. The lines should simply pull off of the injector nipples. These lines were fairly stiff, but not brittle yet.
Another helpful tip is to use a small needle nose plier to start the line on the injector nipple when the space if too tight for your fingers. Don’t forget to replace the long piece of line that runs from the front-most injector to the secondary fuel filter housing. It starts here at the front-most injector. And connects here at the filter housing.