2011 Spark plug torque
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2011 Spark plug torque
Hello all. I am going to replace the plugs in my 2011 Navigator but don't know what the specification is for the replacement of the plugs. I have looked everywhere, including this site, but can't find the specification anywhere. I am also going to replace the plug boots as well. I should be good to go as these plugs are the one piece design. Is was going to use antiseize compound as well. Any ideas about this? Any pitfalls with this job. Thanks for the help.
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So. I replaced the plugs and boots yesterday. I attempted to determine the spark plug torque. What I did was set my torque wrench to 10 pounds and then remove the plugs. Problem is the plugs came out without the wrench clicking so I don't know if my wrench was bad or the plugs are really not put in with much torque. I put the new ones in and just used what "felt right" amount. As far as the boots go, mine is a 2011 with 90,000 miles and the factory boots were just as pliable as the replacement ones so I don't know if I would replace them as a matter of practice. I would recommend blowing compressed air around the plug boots before removing them and then around the spark plug before removing the plug as there is a lot of dirt and dust that I didn't want getting into the motor. Drivers side rear plug, closest to firewall, was a little tricky as there isn't much room. I did remove an electrical connector to the fuel injector. Need to have multiple socket extensions on hand as the firewall kind of juts out and is directly in your way. Kind of difficult to get enough "swing" on the ratchet so this one takes a little time. Total time about 1.5 hours for the entire job. Good luck
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I wasn't able to find the proper torque specs either and I even own the shop service manual.
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Sorry I'm late to the party, but I just replaced the plugs on my 2010 and the torque specs out of my shop manual are:
Spark plugs (12 Nm or 106 lb-in) (gap 0.039-0.043 in)
Ignition coil (6 Nm or 53 lb-in, light coat of dielectric grease inside boot).
I got a quote of $640.00 from Ford to replace my plugs. I almost laughed, thought he was messing with me. I said heck no and replaced them myself in about an hour and a half, easier than I though it would be. There was plenty of room to get to the two most back plugs.
Spark plugs (12 Nm or 106 lb-in) (gap 0.039-0.043 in)
Ignition coil (6 Nm or 53 lb-in, light coat of dielectric grease inside boot).
I got a quote of $640.00 from Ford to replace my plugs. I almost laughed, thought he was messing with me. I said heck no and replaced them myself in about an hour and a half, easier than I though it would be. There was plenty of room to get to the two most back plugs.
Senior User
Joined: Jun 2015
Posts: 202
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Sorry I'm late to the party, but I just replaced the plugs on my 2010 and the torque specs out of my shop manual are:
Spark plugs (12 Nm or 106 lb-in) (gap 0.039-0.043 in)
Ignition coil (6 Nm or 53 lb-in, light coat of dielectric grease inside boot).
I got a quote of $640.00 from Ford to replace my plugs. I almost laughed, thought he was messing with me. I said heck no and replaced them myself in about an hour and a half, easier than I though it would be. There was plenty of room to get to the two most back plugs.
Spark plugs (12 Nm or 106 lb-in) (gap 0.039-0.043 in)
Ignition coil (6 Nm or 53 lb-in, light coat of dielectric grease inside boot).
I got a quote of $640.00 from Ford to replace my plugs. I almost laughed, thought he was messing with me. I said heck no and replaced them myself in about an hour and a half, easier than I though it would be. There was plenty of room to get to the two most back plugs.
Thanks. I have the plugs on my to-do list in the next month or so.
For those who are working with ft-lbs ...
12 Nm = ~9 ft-lbs
6 Nm = ~4.5 ft-lbs
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