Spark plug removal scared
in the house
Joined: Jul 2010
Posts: 5,140
Likes: 1,978
From: Kansas
Seriously best left to a dealer. It's stupid expensive, like $900...but if they fudge up your head, they'll replace it at their cost. At least this was the case when I had the plugs changed on my 2010 with the 5.4 Triton.
Senior Member
Joined: Apr 2022
Posts: 4,633
Likes: 1,307
From: Horsepasture, Virginia
Welcome. When I did the plugs on my 05 w/5.4 I did them with a warm engine. I would loosen the plug 1/2 turn, then back 1/4 turn & keep doing that sequence until the plug was loose enough to remove. I did mine when they had approx 88K on them & they all came out fine.
