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18 AMG GTC and 22 F150 Limited. Past owner 16 Maybach, 17 Brabus Smartcar, 06 Ford E150, and 22 G70
Back to the injectors
Hi all so after installing and coding the injectors for the drivers side cylinders I took the car for a ride and did get a check engine light again. This time it was cylinder 3 misfire on the passenger side of the engine. I ended up ordering all new injectors and seal kits for that side and will complete that when the new injectors arrive.
While I am not a video production sort of person I wanted to make an effort to cornicle the job since it turns out that bad injectors are common on the GT engine as described in the technical service bulletin.
So I did take the time to get most of the stuff out of the way to access the passenger side injector rail. The most important things to remove are the cowl brace bar and the battery surround panel (the worse to remove and replace). After about a half hour I am at the point where I had to stop since the engine is still hot and the fuel lines will leak gas when i loosen them from the high pressure pump.
Here are a few pictures of the parts that I removed and the fuel rail close to being removed..
18 AMG GTC and 22 F150 Limited. Past owner 16 Maybach, 17 Brabus Smartcar, 06 Ford E150, and 22 G70
All right I got the Injector rail out of the car. This took me about another half hour.. Important notes. There is a plastic line that runs across the injector rail that needs to be disconnected to gain access to pull the rail up. This line is connected by where the aluminum cowl brace bolts (the part I had to remove) and it has a very strange connector. I found I had to carefully pry the metal clip at the bottom of the connector to remove it and then you can reinstall it for so it is ready to be reconnected. Also the same plastic line can be disconnected from the intake manifold at the bottom of its run by a plastic tab you squeeze to release it.
So I did loosen wires and made access to pull the rail far out but NOT completely out. For that I would have had to unclip at least two more wires. Instead I removed the injectors from the rail as it was lifted 3/4 the way out and I will reinstall the new ones the same way.
Added are pictures of the tube connector I was first talking about and pictures of the rail pulled up and then the injectors sitting in theirrecesses till I get the new ones.
18 AMG GTC and 22 F150 Limited. Past owner 16 Maybach, 17 Brabus Smartcar, 06 Ford E150, and 22 G70
I might also add that the WIS directions for removing this fuel rail go as far as telling you to loosen the alternator and remove the drive belt. I cant imagine why it calls for this except perhaps if you choose to remove the fuel rail with the injectors ON it.
removing the injectors with the rail 3/4 of the way pulled out was a bit of a challenge and required plyers and a pry bar to gently removing them. The new ones will have a tiny bit of dielectric grease on the oring so they are easy to install and the clips that hold them in can be pre installed to the rail so you simply plus them into place as you turn the injector to the correct spot for the wire connector placement (there are lands on the injector to get this correct).
Below is a picture of tool placement for removing injectors from rail pulled 3/4 the way out of engine.
18 AMG GTC and 22 F150 Limited. Past owner 16 Maybach, 17 Brabus Smartcar, 06 Ford E150, and 22 G70
Below is some imagery to replacing the seals in the fuel rail. First step is to remove the retainer clip. Then you use the tool to pull out the four parts of the seal kit. Then you install new seals and finally a new snap ring.
18 AMG GTC and 22 F150 Limited. Past owner 16 Maybach, 17 Brabus Smartcar, 06 Ford E150, and 22 G70
Ok i got the car back together and the only thing I have left is to code the injectors injectors which to my surprise the Icarsoft CR Max that I brought will not do the job so I return it and go back to the MB4.0 which worked perfectly when I coded the drivers side injectors.
The important point I would say for anyone wanting to do this job is to consider removing the injectors from the rail when it is pulled out about 3/4 of the way from the engine. IF someone follows WIS you have to do a lot more steps in order the get the wire harness out of the way to remove the rail completely with the injectors on it.
For installing the injectors you need to put a small dab of dielectric grease on the injector o ring where it slides into the rail. This helps you to install it while its in the car. You then use the retainer clips to position the injectors correctly as to the placement for the wire connector.
All in all its not a bad job and quite frankly the worse part is removing and replacing either side fender panels. Im referring the the black metal panel that surrounds the battery on passenger side and the one that surrounds the brake master cylinder on the drivers side.There is NO simply way to explain how to get these things out and back installed but to say you have to remember carefully how you got them out.
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