Spark plugs
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Cross-Country
Joined: May 2010
Posts: 72
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From: Suburb of Chicago
Spark plugs
2007 El Limited, 81K. I am very capable of doing mechanical work. Brakes, ball joints, tie rod ends, o2 sensors, window regulator to name a few. I am very concerned about all the messages about these 5.4's and the spark plug issues. I am considering taking it to my dealer and letting them change the plugs. Any questions I should be asking and about what price can I expect.
Tuned
Joined: Sep 2003
Posts: 491
Likes: 1
I reluctantly did it myself figuring if one breaks I will by the removal tool and go from there. I followed the procedure I found on this site, someone had posted a video link.
-first I did a seafoam induction hot bake.
-using my shop vac and some down sized tubing I picked up from HD I vacuumed all the dirt/sand that finds its way down by the spark plug. You will be surprised at whats down there. You certainly don't want that debris falling down into the cylinder.
-next using a ratchet I gave each plug a 1/4 to 1/2 turn followed by a good dose of PB blaster. Then I let it sit for 2 hours
-from there I used a mini electric impact wrench. The smallest one I could find as space is tight. It certainly took some fanageling on some of the plugs.
Every plug came out without a problem.
-first I did a seafoam induction hot bake.
-using my shop vac and some down sized tubing I picked up from HD I vacuumed all the dirt/sand that finds its way down by the spark plug. You will be surprised at whats down there. You certainly don't want that debris falling down into the cylinder.
-next using a ratchet I gave each plug a 1/4 to 1/2 turn followed by a good dose of PB blaster. Then I let it sit for 2 hours
-from there I used a mini electric impact wrench. The smallest one I could find as space is tight. It certainly took some fanageling on some of the plugs.
Every plug came out without a problem.
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