COP replacement
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Senior Member
Joined: Jan 2011
Posts: 429
Likes: 10
From: Florida Panhandle
Thanks for the info guys....
I replaced the #2 yesterday, was really easy! just had to pull a evap line and the pcv line out of the way, seems to run well, the engine was still warm though.
When I installed the coil I put dielectric grease on the plug end and the electrical connection end, I also smeared some around the sealing area at the top.
The plug wells on the two I've changed out looked clean, so I imagine the rest of them are ok (yeah we all know what assume does to you) for now.
I will wait until the temp drops before I know if it fixed the stuttering... and since i'm in florida it might be a few days...or weeks... or maybe a month.. LOL pulling yer chains
Its fairly nice weather down here so far.
As far as the brands go... well I will spend a bit more this next time, I will again order two of them, just incase in the future I will need one.
I am not going to replace anything until the truck starts shooting codes or runs rough.... so I guess i'll have six plugs and two coils waiting to be installed.
I replaced the #2 yesterday, was really easy! just had to pull a evap line and the pcv line out of the way, seems to run well, the engine was still warm though.
When I installed the coil I put dielectric grease on the plug end and the electrical connection end, I also smeared some around the sealing area at the top.
The plug wells on the two I've changed out looked clean, so I imagine the rest of them are ok (yeah we all know what assume does to you) for now.
I will wait until the temp drops before I know if it fixed the stuttering... and since i'm in florida it might be a few days...or weeks... or maybe a month.. LOL pulling yer chains
Its fairly nice weather down here so far.As far as the brands go... well I will spend a bit more this next time, I will again order two of them, just incase in the future I will need one.
I am not going to replace anything until the truck starts shooting codes or runs rough.... so I guess i'll have six plugs and two coils waiting to be installed.
98 F150 5.4L E40D/4R100
Joined: Nov 2006
Posts: 28,519
Likes: 7,630
From: MI
Thanks for the info guys....
I replaced the #2 yesterday, was really easy! just had to pull a evap line and the pcv line out of the way, seems to run well, the engine was still warm though.
When I installed the coil I put dielectric grease on the plug end and the electrical connection end, I also smeared some around the sealing area at the top.
The plug wells on the two I've changed out looked clean, so I imagine the rest of them are ok (yeah we all know what assume does to you) for now.
I will wait until the temp drops before I know if it fixed the stuttering... and since i'm in florida it might be a few days...or weeks... or maybe a month.. LOL pulling yer chains Its fairly nice weather down here so far.
As far as the brands go... well I will spend a bit more this next time, I will again order two of them, just incase in the future I will need one.
I am not going to replace anything until the truck starts shooting codes or runs rough.... so I guess i'll have six plugs and two coils waiting to be installed.
I replaced the #2 yesterday, was really easy! just had to pull a evap line and the pcv line out of the way, seems to run well, the engine was still warm though.
When I installed the coil I put dielectric grease on the plug end and the electrical connection end, I also smeared some around the sealing area at the top.
The plug wells on the two I've changed out looked clean, so I imagine the rest of them are ok (yeah we all know what assume does to you) for now.
I will wait until the temp drops before I know if it fixed the stuttering... and since i'm in florida it might be a few days...or weeks... or maybe a month.. LOL pulling yer chains
Its fairly nice weather down here so far.As far as the brands go... well I will spend a bit more this next time, I will again order two of them, just incase in the future I will need one.
I am not going to replace anything until the truck starts shooting codes or runs rough.... so I guess i'll have six plugs and two coils waiting to be installed.
Never put this grease on top of the plug , or boot bottoms UNLESS your using solid connectors (Like Granitelli's for instance).
Your original COP coil spring connectors DO NOT have the compression power to squeeze the greas out once connected....unlike solid connectors.
In other words, - where the spring connects onto plug, it must be dry and free from grease..just there.
How you do this, -
Grease just the ceramic on the plug..ceramic only.
Pull the boot from the coil and with a long screwdriver, grease the inside of the boots liberally.
Push the boot back onto the coil.
With hemostats and/or a small regular screwdriver, -grab the spring inside the boot, pull it out past the end about 1/4". Then use the screwdriver to keep the spring from recoiling in.
Us a grease cutting agent (I just hit the spring with acetone or lacquer thinner) to clean the spring end.
Release the spring, let it recoil back into the boot.
COP (coil) is ready for install and protected.
Yea, keep just those contact points clean or you may have headaches right away or in the near future
