This straightforward guide will display you just how to inspect your transmission fluid in just a few easy steps. If you take treatment of her Ford truck"s transmission, your Ford truck will take care of you!


This article applies to the Ford F-150 (2004-2014) and the F-250, F-350 supervisor Duty (2005-2014).

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Are girlfriend a weekend warrior, or love a great day off-roading? your Ford-150 or super Duty transmission requirements extra fist at least every 2 year or every 30,000 miles. Dirty liquid can cause issues varying from a check engine light to damaged infection internals. Heat and also broken parts will shorten the life of your fluid, however in general, your transmission liquid will last the life of your truck. It"s also the very first thing her should check if the transmission is misbehaving.

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Step 1 - situate the infection dipstick

Always use caution once opening and securing the hood of your truck. If the truck has actually recently been in use, the engine will be warm and could possibly reason a minor burn. Use the lever inside the vehicle, pop the hood and also secure the hood with the inner prop.

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Figure 1. "04 - "08 F-150 engine bay. The transmission fluid dipstick is circled in red.

Most Ford F-150 trucks have the transmission dipstick located to the instant left, or ~ above the passenger side. It looks like a glowing yellow ring. However, more recent truck models through the 6R80 will have a surprise dipstick situated on the actual infection body.

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Figure 2. Late version F-150"s through the 6R80 have actually a brief dipstick easily accessible on the transmission. 19mm wrench required.
Pro Tip

Before you decide to to fill up on infection fluid, make sure you"re check while the infection is approximately temperature. You can inspect when it"s cold, however transmission liquid will increase with heat, making the warmer analysis a much more accurate one.


Step 2 - check your transmission fluid level

A warm engine inspect is vital to determine the top quality of your transmission fluid. Your dipstick will have actually both cold and hot level indicators. You"ll want to test the fluid while it"s heat if your truck is in driveable condition. Transmission fluid increases as that heats up, for this reason a "HOT" reading is an ext accurate.

To get the transmission approximately the exactly temperature, drive approximately until the engine is warm. Then drive an additional mile or so to be certain the infection is as much as temperature too.

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Figure 4. Her transmission fluid should be in this variety when heat (approx 150°F come 170°F)
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Figure 5. Your transmission liquid should be in this variety when cold.

Step 3 - Visually examine transmission fluid quality

Make sure your vehicle is parked top top a level surface and also pull out the dipstick. Look in ~ both the color and the consistency of the fluid. It need to be either bright red, or in part cases, practically clear. If it is dark red, brown or black, you need a fluid and filter change.

Don’t forget to change the dipstick in your automobile when finished.

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Figure 3. Check your transmission fluid"s color against this chart.

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