How to replace the Fuel Filter ~ above a 4.2L, 4.6L, or 5.4L F-150

Symptoms of a dirty or clogged fuel filter include negative fuel economic climate and, in severe cases, low performance, engine hesitation, hard starting, and also stalling. On regular basis replacing a fuel filter no only gives the highest possible level security for the fuel system, yet it disclosure fuel pump longevity - together a fuel filter lots with particulates and debris, the fuel pump must work harder to press fuel through the filter. Fortunately, fuel filters because that 1997 come 2003 F-150 pickups are fairly inexpensive and can be replaced in a couple of minutes.

Applicable design Years: 1997 - 2003 Ford F-150, 4.2L V-6, 4.6L & 5.4L V-8 1997 - 1998 my Fuel Filter: Motorcraft FG872 1999 - 2003 mine Fuel Filter: Motorcraft FG986B Fuel heat Disconnect Tool: ABN 5/16, 3/8 Scissor Disconnect

A fuel heat wrench or fuel heat disconnect device is essential to remove the fuel filter. The fuel present contain a quick-connect form retainer that needs this device in order to disengage the spring clips. Fuel heat disconnect tools come in number of varieties and sizes, nobody of i m sorry are specifically expensive. Examples include:

Fuel line disconnect examples

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• Disconnect the an unfavorable battery cable, collection the parking brake, and chock the wheels before crawling under the vehicle.

• The fuel filter is situated on the inside of the drive side frame rail between the fuel tank and the engine. The cannister is easily recognizable and also is secured by a large metal band.

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• Disconnect the security clips indigenous the fuel lines in ~ the inlet and outlet the the fuel filter. This is accomplished by first pushing the vertical component of the clip over the line, climate sliding the clip forward and out that the connection at the fuel filter.


• through the safety clips removed, insert her fuel heat disconnect wrench/tool into the fuel line link at the fuel filter. On slide the wrench right into the fuel heat in opposing direction together the fuel filter, therefore rearwards the the vehicle into the fuel line link at the filter inlet and frontwards of the auto into the fuel line connection at the filter outlet.

• using moderate force, push the disconnect tool right into the fuel line connection until it completely seats, climate pull the fuel line turn off of the fuel filter nipple. This may take several attempts to develop a \"feel\" for once the fuel heat disconnects native the fuel filter - it becomes simpler with experience. Note that some tools work far better than others because that accomplishing this quickly and also effectively.

• Repeat top top opposite next of fuel filter so that both lines space removed, then remove the fuel filter indigenous its clip.


• The fuel line disconnect device is not required in bespeak to install the new filter. Just install the brand-new filter into the retaining bracket, then install both fuel present - they will snap and lock into place once put onto the fuel filter nipples. Download the new filter in the exactly orientation - if a circulation direction is not shown or is illegible on the fuel filter cannister, download the filter in the same orientation as it was removed.

• effort to tug the fuel lines off of the fuel filter come ensure that they have locked, climate reinstall the security clips.

• revolve the crucial to the \"run\" position and check because that leaks. Bike the key to the \"run\" place (3) times for at least 10 seconds each time, then start the engine and check for leaks as soon as more. Engine may stumble briefly until all waiting is purged indigenous the fuel lines, however it will certainly bleed itself.

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