The Ford 5.4L Triton three-valve engine is a good powerplant and also comes from the manufacturing facility via Motorcraft platinum tipped spark plugs rated to last 100K miles. However, if you’ve thoughtlessly attempted to change the plugs as you normally would certainly on your average V-8, or you dubbed your dealer checking installation prices, you’ve a lot of likely been surprised. Given the former DIY action, you probably found the plugs deserve to break in the cylinder heads. Given the last action, it’s not unwidespread to acquire a $400 to $600 quote from a dealer to rearea the spark plugs.

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The spark plugs in these engines were a new-style plug through an extensive electrode reminder. They were used in the Ford 5.4L Triton three-valve engines from 2004 to 2007, and also in some of the 6.8L V-10 engines of equivalent years also. The fairly long spark plugs have an extended electrode and metal spark plug tip on the reduced percentage. Gradually, carbon accumulates below and have the right to reason the spark plug pointer to stick in the cylinder head. Upon removal, it’s possible for the two-item plug to break, leaving the lower half of the inner porcelain and also the reminder in the head.


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Many kind of of these plugs deserve to seemingly be removed without breaking them, however one never before knows until you try to rerelocate them. The longer the plugs are left in the engine, the more troublesome they may be to remove, and perhaps more likely to break off. Tright here are countless theories on exactly how ideal to remove the plugs to have actually the leastern hazard of breaking them.


Pre-cleaning the cylinder head carbon via injector cleaner run via the gas tank is straightforward and also may provide some help. It’s debatable whether doing the work-related on a cold or warm engine is much better, though Ford recommends a cool engine. We turned each plug one-quarter turn and also then soaked the plug wells overnight with some penetrating oil. The next day we gradually turned each plug out via a hand also ratchet. We’ve likewise viewed mechanics use air affect weapons to spin the plugs out rapidly, but we determined versus that tactic.

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Even taking pre-clean and soak preadvises, and working the plugs slowly, we regulated to break 5 of the eight plugs and also had to use a Lilse spark plug removal tool to finish the removal of the broken plug tips. The tool functioned good, yet total time to carry out the task on our engine was about 4 hrs.


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