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Tips for Changing Automatic Transmission Fluid in Ford F-250, Ford Expedition and Lincoln Navigator

By Edited Oct 23, 2015 1 0

Ford Super Duty Trucks and E-Series vans are very similar

Step By Step Instructions Changing Transmission Fluid

This article will be especially helpful for owners of Ford Super Duty Trucks, Ford Excursions, all E-series vans, Ford Expeditions and Lincoln Navigators that are newer than the year 2000. This article will also work for any other vehicle that requires a 4R100 transmission fluid change. It seems as though the need to change the transmission fluid always comes at such an inconvenient time, but as responsible vehicle owners, we realize that it's a necessary evil. Keeping your Ford transmission healthy can save you a huge headache and expense in the long run.

It is easier than you think to change your transmission fluid, filter and gasket for your Ford F-250, F-350, Excursion, E-Series vans, Expedition and Lincoln Navigator. Changing the transmission fluid on a Ford F-250 is almost the exact same process as a transmission fluid change in a Ford Expedition and Lincoln Navigator. Transmission fluid for E-Series vans is necessary to keep your Ford Truck running smoothly. This article contains tips and instructions for Ford Transmission fluid changes, and is a project that you can do by yourself and save a lot of money. You can buy a Ford gasket online or at your local Ford service center at a reasonable cost. You may also want to consider purchasing Ford Filters in bulk to save you money on your vehicle maintenance.

Do It Yourself Ford Transmission Fluid Change

As we mentioned earlier, owning a vehicle comes with responsibilities, and necessary expenses. One of the most important responsibilities in Ford Truck maintenance is to regularly change your vehicle's fluids. One of the most important fluids in your Ford vehicle is the transmission fluid. As we know, transmission health can make or break your vehicle, so it's important to be proactive in ensuring that this maintenance is done as scheduled. If you have an automatic transmission, it is recommended that you change your ATF or automatic transmission fluid every 10,000 miles and change the Ford transmission fluid filter and gasket every 30,000 miles. Use caution when you buy discount auto parts; you may want to stick with brand name supplies to ensure that you are using high quality auto fluids with your vehicle.

When changing your transmission fluid, it is important to have all your supplies on hand before beginning your project as you cannot drive your vehicle to pick up additional automobile maintenance supplies at your local automobile parts store once you have begun. You'd be surprised how many people neglect this simple fact and end up having to either put things back together or get a ride to the nearest auto parts store. Make sure to have two gallons of Mercon Automatic Transmission Fluid or similar item on hand. It is also a great idea to have a quart of Lucas Oil's Transmission fix. You also need a gasket which will come with the filter when you buy it. All these products are available at auto parts stores such as Pep Boys, Advance Auto Parts, AutoZone, Checker Auto Parts and Napa Auto Parts. Call the auto parts store in advance to make sure that they have the transmission fluid or Ford parts that you will need. You will also need a drain collection pan, a standard socket set and a flat tip screw driver.

Start your transmission fluid change by parking your Ford Truck on a flat surface and engaging your emergency parking brake. Make sure to block your rear tires to make sure your vehicle doesn't slip while you are working on it. Jack up the front end of your Ford Truck and place it on jack stands.

Locate your transmission pan in your F-250 or other Ford vehicle. It is located just aft of your transmission and will most usually have a drain plug bolt at the lowest point. Place your drain collection pan underneath the drain plug and loosen the plug slowly. Allow the Automatic transmission fluid to completely drain from your vehicle. Once the fluid is drained take the transmission pan off with a your socket set. There is no order in which to loosen or tighten the bolts just make sure not to loose them. Do make sure not to take all the bolts off of just one side and let the pan basically dangle. This could possibly bend the pan and cause damage. If that happens, you will need to find Ford motor replacement parts before you can continue. Instead, carefully remove the bolts and hold the pan up while removing the remaining bolts and lower the pan to the ground.

Clean up the pan with a lint free shop rag and set aside. Remove the filter by pulling down while rotating it gently. If the gasket did not come off with the pan, remove it from the transmission pan housing. If it is fused or stuck to the housing you can carefully pry it off with a flat head screw driver. You can purchase a flat tip screwdriver or other tools at your local hardware store, if you don't already have one. Make sure to not scratch the housing as it might cause leaks.

Install the new Ford filter and place the new gasket on the transmission pan so that it lines up with the bolt pattern. Hold the pan in place and line the pan up with the bolt holes in the transmission pan housing. Hand tighten all the bolts back in place and use your socket set to tighten the bolts down. Make sure to not tighten the bolts so far that they warp the pan. Once the pan is properly in place, replace the drain plug and tighten it down.

If you are concerned about your transmission it is a good idea to add a quart of Transmission Fix by Lucas. It takes the place of one quart of Automatic Transmission Fluid. Lucas Oil Transmission Fix helps keep the seals from sticking, keeping your transmission running smooth. It's actually one of our favorite additives; it seems to work wonders. This will help reduce the risk of you needing Ford transmission repair in the future.

Add 5 more quarts of Automatic Transmission Fluid. Start your vehicle and place your foot on the brake while shifting through all gears including reverse and then back up to park. Next, take your vehicle for a short test drive not to exceed 10 miles and see how it rides. You should use this test drive time to check for any leaks and to work the new fluid through the filter. Once you are back at your house, check the transmission fluid level and add fluid as necessary. That's it! You should be good to go for another 10,000 miles.

change automatic transmission fluid

changing transmission fluid in Ford Truck

Changing your automatic transmission fluid in your Ford Truck


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