Ignition Coil Replacement for the 3.9L V8 Lincoln LS

7 May 2015 | Author: | Comments Off on Ignition Coil Replacement for the 3.9L V8 Lincoln LS
Lincoln LS

Lincoln LS

Lincoln LS Ignition Coil Replacement

The first step for this job is to remove the engine cover. Just remove the 3 plastic clips that hold it in place. I am hi-lighting things in that nice pink so you can see what I am talking about in these smaller pictures.

That is what the valve cover looks like. There is a plastic cover in the center that must be removed in order to get to the coils. It is held in place by six 7 mm hex head bolts.

To get to these bolts, you may need to use a combination of sockets and wrenches. I was able to get to about all of them with a deep 7 mm socket and my 1/4 ratchet.

In the tighter areas, I used a shallow 7 mm socket. Nothing special.

If you have problems getting to the back bolts on the passenger side, remove the two bolts hi-lighted so you can move that wiring harness out of your way.

You will need to do this if you want to change the spark plugs, where you will need a little more clearance.

On the driver’s side, things are a little tighter. Remove the two nuts hi-lighted here. That will allow you to move the EVP a little to get it out of the way. Excuse the extra holes in my car here.

I was in the process of replacing the ball joint on the driver’s side, so extra parts have been removed.

In my opinion, the back lower driver’s side bolt is really the only PITA bolt to get to. I used a 7 mm wrench for this. I used the box end to break it loose by laying over the front of the car and laying the wrench toward the back of the car.

After that, I switched to the open end side and was able to get to it from the side of the car and half-a$$ing the wrench on the bolt to make it quicker. Once you break it loose, it shouldn’t be hard to take off.

Lincoln LS

The hardest part is over. This is what the cover looks like. Just remember to put it on the correct way so the beveled part is in the back.

Now you can see the 4 coils sitting there. If your car is older, don’t be surprised to see different numbers on the coils in there. At the time of this writing, there are at least 4 revisions of this coil known.

Black labels have been the newer ones.

It is easier to remove the electrical connector before loosening the coil. Press on the back clip and pull the connector straight back. If you try to pull up, you could crack or dis-locate the connector.

The coil is held in place by one 7 mm bolt. Using the deep-well socket and my handy 1/4 ratchet, it is a simple task. One you have the bolt loose, the coil should want to stay in place, but it probably won’t. If it just easily falls out of place, you need to replace the boot. The boot should be fairly snug on that spark plug.

Be sure to use some tune-up grease on the end of the boot before re-install.

There it is. The coils and boots can be bought separately, but when purchasing the coil, it comes with the boot. Price for the coil has been ranging from $38.00 to $65.00 at the time of this writing.

If you have any questions, comments or additions please feel free to email them to me.

Lincoln LS
Lincoln LS
Lincoln LS
Lincoln LS
Lincoln LS
Lincoln LS
Lincoln LS
Lincoln LS
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