changed plugs after 85,000
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changed plugs after 85,000
Finally changed the plugs on my 04 after 85,000. Only had the rear one on each side break. The rest came out with no problem! With the lisle tool the two broken ones came out pretty easy. I bought the tool before I even tried to change them.
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Senior User
Joined: Jun 2007
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I used PB Blaster on all the plugs. I started taking the first plug out right away. I went on by one to see if they would come out without soak time. Got 4 right away! I let the other 4 soak while I removed the ECU and bracket on the passenger side. Then 2 more came out with 15 minutes soak. I let the rear one on each side soak for an hour after that and they still would not move. I had the Lisle tool so I just put some muscle to them and broke them off. Each one took 15 minutes with the tool to get out.
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Joined: Aug 2008
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From: Vicksburg, MS
Come on 70f100, You wouldn't exadirate a little would you. I wish I had used the Motorcraft cleaner when I did mine. LOL. I do wish that I soaked my plugs longer when I changed them. My impatience lead to 7 broke plugs and me questioning my and some Ford engineers ancestry. The Lisle tool came to my rescue also.
Posting Guru
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From: Hernando Ms
Me too
...and where do you get it?
...and where do you get it?
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Fleet Mechanic
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From: Houston
I'm assuming it's this dude right here. I may have to pick one up, I'm due on our Expedition.
Lisle Ford Broken Spark Plug Remover LIS 65600 (Alt 303-1203 303-1398) | Hard to Find Automotive Specialty Tools
Lisle Ford Broken Spark Plug Remover LIS 65600 (Alt 303-1203 303-1398) | Hard to Find Automotive Specialty Tools
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Joined: Apr 2008
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From: London, Ontario
I would like to add a positive plug story to this thread. I just changed mine at 85,000 KMs, and didn't break one. I used the Motorcraft stuff as well and let it soak for over an hour. I think there are three key things to remember: first - the engine has to be stone cold. At one point I felt my valve cover and it was nice and cool, so I put the socket down tried to crack them. It didn't budge so I pulled the socket out and when I felt it, it was quite warm, meaning it was time to wait some more. Second: when trying to take them out, slowly work them back and forth. Third: if you are working them back and forth and it gets difficult again, even if they are most of the way out, stop and let them soak for a while longer. Patience is the key. I talked to a Ford mechanic who says he's never broken one plug on these trucks, and he told me it should take all morning. I know I'm repeating a lot of what has already been said but it never hurts to reinforce through repetition. Good luck.
Fleet Mechanic
Joined: Aug 2002
Posts: 1,899
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From: Raleigh USA
The tech beside me in the shop gets his out with a air ratchet. He pulls the truck in, takes all the coils out, and runs all the plugs out with his 80 ft-lb Cornwell air ratchet. No soaking, no working back and forth, no stone cold engine, just a hoss of a ratchet. I have seen him do about 5-6 sets and NONE have broken. I'm sure he has done more. No lie. My theory is the ratchet runs them so fast they don't have time to break. Here is his ratchet CAT8000SD - Super Duty 3/8" Air Ratchet - Cornwell Webcat I haven't tried it yet but I will the next set I get.
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