Replacing The Fuel Filter In Your Ford Diesel: Step-By-Step Guide

how to replace fuel filter in ford diesel

Replacing the fuel filter in a Ford diesel engine is a relatively straightforward process. The first step is to remove the primary fuel filter cap and O-ring using a 36 mm wrench. The new cap should then be snapped into place, followed by the removal of the secondary cap with a 24 mm socket wrench. Next, the fuel is drained from the assembly using a turkey baster, and the secondary fuel filter is removed. The old filter is then replaced with a new one, ensuring the flow arrow points towards the front end of the vehicle. Finally, the ignition key is turned to the on position and held for 30 seconds before testing the new filter.

Characteristics Values
Tools required 36 mm wrench, 24 mm socket wrench, turkey baster, line compression removal tool, flat blade screwdriver
Steps Remove primary fuel filter cap and O-ring, replace with new primary cap, remove secondary cap, suck fuel out of assembly, remove secondary fuel filter, replace old filter, turn ignition key to "on" position and hold for 30 seconds
Other notes Ensure new filter is positioned so that the flow arrow is pointing towards the front end of the vehicle

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Removing the primary fuel filter cap

To remove the primary fuel filter cap from a Ford diesel engine, you will need a 36 mm wrench. Carefully remove the primary fuel filter cap, along with the O-ring, and replace it with the new primary cap from the complete fuel filter kit. The new cap should snap right into place in just a few seconds.

The secondary cap can be removed with a 24 mm socket wrench. Use a turkey baster to suck the fuel out of the assembly. You can then remove the secondary fuel filter, which is located under the hood.

To remove the filter itself, unhook the metal retaining clip and position the line compression removal tool so that it rests on the front end of the filter. Apply a small amount of pressure, sliding the tool into the line fitting until it slides off. Keep a towel handy, as fuel tends to gush out during this step. Repeat this process at the rear of the filter, applying as little pressure as possible. Once both ends of the line fitting have been removed, use a flat-blade screwdriver to disconnect the dirty filter.

Replace the worn filter with a new one, ensuring that the flow arrow is pointing towards the front end of the vehicle. Once the new filter is in place, reconnect the front line and hook the retaining clip back into position. Repeat this process for the rear line.

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Removing the secondary fuel filter cap

To remove the secondary fuel filter cap from a Ford diesel engine, you will need a 24 mm socket wrench. You should also have a turkey baster to hand to suck the fuel out of the assembly.

First, unhook the metal retaining clip and position the line compression removal tool so that it rests on the front end of the filter. Apply a small amount of pressure, sliding the line compression removal tool into the line fitting until it slides off. You will need to repeat this process at the rear of the filter, applying as little pressure as possible. Once both ends of the line fitting have been removed, use a flat-blade screwdriver to disconnect the dirty filter.

Now you can remove the secondary fuel filter cap with your 24 mm socket wrench.

After the secondary fuel filter cap has been replaced, turn the ignition key to the 'on' position without starting the engine, and hold that position for about 30 seconds. Once you have waited half a minute, you can try out your new filter on the road.

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Using a line compression removal tool

To replace the fuel filter in a Ford diesel, you'll need to use a line compression removal tool. First, unhook the metal retaining clip. Then, position the line compression removal tool so that it rests on the front end of the filter. Apply a small amount of pressure, sliding the tool into the line fitting until it slides off. Keep some towels handy, as fuel tends to gush out during this step. Repeat this process at the rear of the filter, applying as little pressure as possible. Once both ends of the line fitting have been removed, use a flat-blade screwdriver to disconnect the dirty filter. Then, install the new filter, being careful to position it so that the flow arrow is pointing towards the front end of your Ford. Once the new filter is in place, reconnect the front line and hook the retaining clip back into its position. Repeat this process for the rear line.

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Replacing the old filter

To replace the old filter, you will need a 36 mm wrench, a 24 mm socket wrench, a turkey baster, a line compression removal tool, a flat blade screwdriver, and a new fuel filter.

First, use the 36 mm wrench to carefully remove the primary fuel filter cap and O-ring. Replace it with the new primary cap from the complete fuel filter kit. The new cap should snap right into place in just a few seconds. Next, use the 24 mm socket wrench to remove the secondary cap. Use the turkey baster to suck the fuel out of the assembly. Then, remove the secondary fuel filter located under the hood.

Unhook the metal retaining clip and position the line compression removal tool so that it rests on the front end of the filter. Apply a small amount of pressure, sliding the tool into the line fitting until it slides off. Keep towels handy, as fuel tends to gush out during this step. Repeat this process for the rear of the filter, applying as little pressure as possible. Once both ends of the line fitting have been removed, use the flat blade screwdriver to disconnect the dirty filter.

Now, replace the worn filter with a brand new one, being careful to position it so that the flow arrow is pointing towards the front end of your vehicle. Once the new filter is in place, reconnect the front line and hook the retaining clip back into position. Repeat this process for the rear line.

After the secondary fuel filter cap has been replaced, turn the ignition key to the "on" position without starting the engine, and hold that position for about 30 seconds. Once you have waited for half a minute, you can try out your new filter on the road.

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Positioning the new filter

To remove the old filter, unhook the metal retaining clip and position the line compression removal tool so that it rests on the filter’s front end. From there, apply a tiny bit of pressure, sliding the line compression removal tool into the line fitting until it slides off. Keep your towels handy as fuel tends to gush out during this step. You will then repeat this process in the rear of the filter, applying as little pressure as possible. Once both ends of the line fitting have been removed, use your flat blade screwdriver to disconnect the dirty filter.

The primary fuel filter cap can be carefully removed with a 36 mm wrench, along with the O-ring. Replace it with the new primary cap from the complete fuel filter kit. The new cap should snap right into place in just a few seconds. The secondary cap can be easily removed with a 24 mm socket wrench. Use a turkey baster to suck the fuel out of the assembly.

After the secondary fuel filter cap has been replaced, turn the ignition key to the "on" position without starting up the engine, and simply hold that position for about 30 seconds. Once you have waited out that half of a minute or so, feel free to try your new filter out on the road.

Frequently asked questions

Using a 36 mm wrench, carefully remove the primary fuel filter cap along with the O-ring, and replace it with the new primary cap from the complete fuel filter kit. The new cap should snap right into place in just a few seconds.

The secondary cap can be easily removed with a 24 mm socket wrench. Use the turkey baster to suck the fuel out of the assembly.

To remove the filter, unhook the metal retaining clip and position the line compression removal tool so that it rests on the filter’s front end. From there, apply a tiny bit of pressure, sliding the line compression removal tool into the line fitting until it slides off.

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