Could spark plugs jump out if coil pack is not tight

Almoine Powell

Asked by Dec 15, 2014 at 02:48 PM about the 2000 Ford Expedition Eddie Bauer

Question type: Maintenance & Repair

4 Answers


No. Some of the Triton engines with aluminum heads had spark plugs blow out like bullets but Ford figured it out, the combination of aluminum and only 6 threads holding plug in....most heads/plugs have at least a dozen threads to turn for a plug, but nothing to do with coil pack


Are you sure you had them tightened properly when you finished the job? I take it one or more have blown out or you wouldn't be asking. I think you need to pull them all and re-install them at the proper torque for your engine.


I dont think the plug would come out if the plug was screwed in right wiith your plug socket an extension and a good ratchet


Well, the 5.4L engine seems to have cured the problem... the d**n plugs seem to seize in the threads and strip them when you try to remove them. I went to Ford to have them replace my plugs at 150,000mi knowing I didn't want to try it. I got a price and said "let me pay you now so I can just run in and get the car". His reply, "there may be additional problems the will cost more!" So the dealer will make more money because Ford screwed up.

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