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Re: Uninstalling and installing fuel filter
Fuel line tool. Can be found at any auto parts store. There are muptiaple sizes, so if you get a single one, make sure it's for your vechile. However, most tools come with all proper sizes. Once you have the tool, you slip it on the line, with the long end, you'll see what i mean, towards the filter. Push in and twist, while doing so pull line and filter away from each other. Line should pop right out. There might be some metal clips on the filter and line to keep them connected as a precaution. Those have to be removed to get the tool in proper area. A little note for you, I've worked in auto shops and I hate chaning the ford fuel filters. They are a pain in the but. Plain and simple. See, dirt can get up in where the tool goes making it harder to get line apart. Do you plan on keeping your vechile for a while? If not, is it worth paying for the tool just for this one use? I'm just saying think it over.
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The fuel pump relay should be near the driver side fender or the battery along with other relays. It should have a dark green and yellow wire that goes to the inertia switch, a red wire that goes to the EEC relay, and two other wires that may be light blue and orange. The wire that powers the pump goes to the inertia switch then to the pump.
The fuel filter can be found under the car, on the driver side somewhere between the front and back seat. It will be close to the edge of the car, along the frame rail. You can follow the fuel lines fron the gas tank if you have trouble.
It is a bit smaller than the size of an oil filter, and is round. It sits in a holder, which can be removed with a socket wrench. The fuel lines are generally easy to remove from the filter. They will be under some pressure with gas. You can ignore it, and let it spill a little gas...or you can pinch the lines with hose pinchers, or release some pressure at the fuel/water separator (yellow knob). Make sure the car is turned off, or the pump will prime, and pressure will build.
The fuel filter is found in the front of the van on driver's side, as well. You also have to determine if the van is electric or mechanical fuel pump. If it is electrical, with a V8 engine, it could be towards the back near the firewall or the fuel tank. If you are having problems with the pump, and it is mechanical, the problem could be the diaphram is punctured. They only have limited usage, and may need to be replaced. I suggest also changing your fuel filter at the time you replace your pump. This is the most accurate information I can give you as I have had the same problem in the past. Fuel pumps normally get around 50K miles. depending on the usage and if you are in a dusty area or not, as road dust can clog your filters and lower the performance of your vehicle. Good luck
Follow the fuel line right up to the carb or throttle body. Sometimes it's a very small "metal can" looking thing that is on the carb end of the fuel line...surprisingly small...not like the bigger in-line filters found along the frame rails on other models. This small can-like filter screws into the carb and the line is attached to same. It's about the size of a quarter in diameter and an inch and a half long.