Where is the cylinder 5 for 2001 Lincoln navigator 5.4l?

The 2001 Lincoln Navigator 5.4L doesn't use a numbering system for cylinders like "cylinder 5" in a way that easily translates to a visual location. Cylinder numbering is typically based on the firing order and engine orientation, which varies slightly between manufacturers and even engine variations within a model year.

To locate what you *think* might be cylinder #5 (for example, if you're looking at a diagram that uses that numbering), you'll need:

* A repair manual or engine diagram: These are crucial. They will show a detailed view of the engine, including the cylinder arrangement and firing order. You can often find these online (sometimes for purchase) or at an auto parts store.

* Understand the firing order: The firing order tells you the sequence in which the cylinders ignite. Once you know the order, you can trace it visually on the engine.

Without a specific diagram for your 2001 Lincoln Navigator's 5.4L engine, I cannot tell you the location of what you think is Cylinder 5. Using a repair manual is your best bet to avoid damage or confusion.