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SportTrac Discussion
Engine & Drivetrain
Which is truly the Best Spark Plug For a 2nd Gen 2007 Explorer Sport Trac 4.0 V6?
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<blockquote data-quote="DAM Sport Trac" data-source="post: 1049157" data-attributes="member: 76293"><p>Just FYI, anti-seize will not help or prevent the breakage. The piece that breaks off is well below the threaded section. Below the threads in the head is basically a tube. It gets packed with corrosion and carbon build up that causes it to seize and break of during removal.</p><p></p><p>That’s why the procedure for removal is to start to remove the plug a little bit (about 1/4-1/2 turn out) then send some carbon dissolving chemical down the plug tubes and wait awhile for the chemical to dissolve/soften the build up. Then, if the lower piece of the plug didn’t break off with the initial removal you’re good to go.</p><p></p><p>SWSHAWAII posted a great link that shows the issue. </p><p>Overall if the tube diameter was larger I don’t think the two piece plug design would be a problem.</p></blockquote><p></p>
[QUOTE="DAM Sport Trac, post: 1049157, member: 76293"] Just FYI, anti-seize will not help or prevent the breakage. The piece that breaks off is well below the threaded section. Below the threads in the head is basically a tube. It gets packed with corrosion and carbon build up that causes it to seize and break of during removal. That’s why the procedure for removal is to start to remove the plug a little bit (about 1/4-1/2 turn out) then send some carbon dissolving chemical down the plug tubes and wait awhile for the chemical to dissolve/soften the build up. Then, if the lower piece of the plug didn’t break off with the initial removal you’re good to go. SWSHAWAII posted a great link that shows the issue. Overall if the tube diameter was larger I don’t think the two piece plug design would be a problem. [/QUOTE]
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SportTrac Discussion
Engine & Drivetrain
Which is truly the Best Spark Plug For a 2nd Gen 2007 Explorer Sport Trac 4.0 V6?
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