DIY Fuel Injector Install - Genesis Forum: GenCoupe Hyundai Genesis Forums
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#1 Old 05-09-2010, 11:12 AM
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DIY Fuel Injector Install

Disclaimer: I, Deatschwerks, and Beyond Redline are not responsible for you or your car. You take the install at your own risk. It should be done by a professional!
It should also be stated that I do not have any professional knowledge of the automotive arts, just a bit of research that led me to write this. Do enjoy and Procced at your own risk!
I also gave permission to Beyond Redline to share this DIY guide with their customers.
Furthermore, Beyond Redline and Deatcshwerks did not ask me to write this DIY Guide, I just simply chose to do it.

How to Install your new Fuel Injectors:

Inspect your new injectors for cracks, dents, chips etc. Read the pamphlet included. It will explain that you need to check numbers to verify they were tested or something to that nature.

Tools needed:
Fuel Injectors (Deatschwerks used in this DIY).
Hyundai Genesis Coupe 2.0T
12mm and 10mm sockets
Screwdriver
Pliers (or multi-tool)
Common Sense
Eye Protection
Something I forgot?

Step One:

Step Two:

Step Three:


Step Four:
In my research I have read that one can potentially release a lot of pressure stored within the fuel rod. To relive this pressure it is recommended to not run your car for a few hours (overnight perhaps). And then open up the fuel door. It has also been said that on some cars (I did not look) there is a pressure release button on the fuel rod, and one person even said you can pull the pumps fuze and get it to drain itself. For me, I just didn't run her and opened the fuel door. The octane hardly dripped out.

Step Five:
Now, start pulling the injectors from the fuel rod. This is also where you need eye protection.

Step Six:
Do not brutalize these clips, you may need them if you ever flash back to stock.

Step Seven:

Step Eight:

Step Nine:
Allow to air dry, do not put away yet. Fuel will evaporate (cleaning them more or less). Do not eat the fuel injectors, even though they look yummy. Keep them for whenever you must return to stock. Clean them up and tuck them away.


Step Ten:
Re-Connect all the things you disconnected and put it all back in place. Utilize common sense powers if anything was forgotten or missed in this write up.
Also, take a bit of time to wipe the engine bay clean. Especially if you squirted fuel everywhere.


Step eleven:
You must have a re-tune to utilize new fuel injectors.
Turn the car to the on mode (on push button, don't engage the clutch and push the button 2x). Let the car get familiar with the new injectors. Idk what it does, but I have read you need to do this. Flashing my car during this phase seemed to do the trick.

Note:I have read on these forums that some people who already have these injectors have noticed they cause the car to start up weird (trouble turning over initially). To alleviate a long start up, turn the car to the on position for a moment and then crank the engine.
Note: If they float between the rod and the engine - make sure they are tightest on the engine. (You'll understand when you reach this point).

Enjoy fellow GenCoupers 8)

Thank you Beyond Redline for my tune and injectors

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Last edited by Murcus; 05-10-2010 at 07:50 PM. Reason: Updated
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#2 Old 05-09-2010, 11:15 AM
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schweeett! great DIY

quick question:
I'm going to need 750cc injectors for an upcoming project and I'm wonderig if I just buy them now and leave my car on the stick tune, will it be safe to drive like that? I can get a good deal onthem now that I might not be able to get in a few months..
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#3 Old 05-09-2010, 11:20 AM
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Quote:
Originally Posted by blaxuede View Post
schweeett! great DIY
Glad you like it, thanks

Quote:
Originally Posted by blaxuede View Post
question:
I'm going to need 750cc injectors for an upcoming project and I'm wonderig if I just buy them now and leave my car on the stick tune, will it be safe to drive like that? I can get a good deal onthem now that I might not be able to get in a few months..
I really don't think it would be a good idea to stock tune with new injectors, but I am no expert. Could you just buy the new injectors now and keep them in the box till your ready?

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#4 Old 05-09-2010, 11:37 AM
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Good DIY, but you should also probably bleed the fuel line. To do this, pull the fuse for the fuel pump. It's in the left fuse box by the battery, the cover has a diagram for which fuse is which. The fuse is tiny, so use the small fuse remover tool that's in the driver side fuse box. I'll post a pic when I'm home.

Once you pull that fuse, start the car and it will die out. Then crank it another one or two times to make sure there is no fuel left. Ther will still be a bit of fule that leaks out of the rail, but not much, and it will simply trickle out not spray out since you bled the line.
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#5 Old 05-09-2010, 12:16 PM
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Very nice write up, this will come in handy next week.

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#6 Old 05-09-2010, 12:27 PM
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Very nice write up! We need a DIY section I think unless there is and I have missed it.
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#7 Old 05-09-2010, 12:46 PM
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Originally Posted by cjd82187 View Post
Good DIY, but you should also probably bleed the fuel line. To do this, pull the fuse for the fuel pump. It's in the left fuse box by the battery, the cover has a diagram for which fuse is which. The fuse is tiny, so use the small fuse remover tool that's in the driver side fuse box. I'll post a pic when I'm home.

Once you pull that fuse, start the car and it will die out. Then crank it another one or two times to make sure there is no fuel left. Ther will still be a bit of fule that leaks out of the rail, but not much, and it will simply trickle out not spray out since you bled the line.
Whats that do? make it so it doesn't squirt you?

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Originally Posted by UHHSON View Post
Very nice write up! We need a DIY section I think unless there is and I have missed it.
There is, go to the 2.0T section and on the top where the sticky's are one of them is labeled "HowTos/FAQs listing"

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Last edited by Murcus; 05-09-2010 at 12:56 PM.
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#8 Old 05-09-2010, 02:48 PM
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The first time I did this I was very cautious with the gas door open and the 4 days with the battery disconnected and there was maybe 3 drops that came out at a very low pressure. Then some ridual fuel in the rail, about 4-7 ounces. But I even pulled the metal retaining clip and the plug stayed in, so I think the pressure was very low.

The second or third time (why I didn't make a DIY, because I had no clue what I was doing lol. Use latex gloves, the fuel smell on your hands will last a day or two but with gloves, its gone as soon as the gloves go. I just turned my car right off, pulled the batt, stuck a plastic bag over the (bumperside) rail pressure release plug, pulled the metal retaining clip and the plug shot off as well as a few ounces of fuel in the bag and I was done.

The nice thing about gas is that is evaporates. One of the times I had the injector fall out of the rial and it sprayed fuel everywhere. I just pulled the batt, let it sit for 30 mins outside well ventilated and it was good to go.


Also, your old injectors, you might want to let them sit outside for a few hours before putting them away so you let all the fuel evaporate. The guy that sold me mine obviously didn't do this and just put them in a plastic bag and it reeked of fuel the second I opened it, and that procably isn't the safest way to store them.

I never grounded myself, though it is not a bad idea. A great idea for supplies is also to have a fire extinguisher close by.
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#9 Old 05-09-2010, 10:15 PM
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great diy write up murcus! you know you're in the air force when you really stress safety and eye protection lol. also, im not sure about our cars cus i havent looked at it yet, but some fuel rails have little test ports that u can also use to bleed the pressure. just need a little screwdriver and a rag covering it.
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#10 Old 05-10-2010, 10:35 AM
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Quote:
Originally Posted by tatupu99 View Post
great diy write up murcus! you know you're in the air force when you really stress safety and eye protection lol. also, im not sure about our cars cus i havent looked at it yet, but some fuel rails have little test ports that u can also use to bleed the pressure. just need a little screwdriver and a rag covering it.
We don't have a way to bleed the line on ours. When I got mine, the guys at beyond redline told me to bleed my line by pulling the fuel pump fuse and running the car till it dies.
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#11 Old 05-10-2010, 10:36 AM
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thanks for the DIY. It's a pretty straight forward install, but pictures always make it look just a bit easier!

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#12 Old 05-10-2010, 10:39 AM
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That's awesome!

Thanks for doing that, I couldn't have written a better set of instructions myself!

Mind if include a copy of this with all my injectors? I promose to give credit to you in the documentation...


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#13 Old 05-10-2010, 05:17 PM
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Originally Posted by Tim@BeyondRedline View Post
That's awesome!

Thanks for doing that, I couldn't have written a better set of instructions myself!

Mind if include a copy of this with all my injectors? I promose to give credit to you in the documentation...
No problem Tim, you helped me out a lot - thought I could atleast give back to the community and write this up
Ill probably polish it up tonight and email you when done, you are most welcome to share it with your future customers.

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you know you're in the air force when you really stress safety and eye protection lol..
Yea, I was hoping someone would catch my lame joke :P

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#14 Old 05-10-2010, 07:17 PM
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Updated to include some of the statements you all shared with me ((step Four))Thank you) and I also polished up the pictures informative text.
If I forgot something, please state such.

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#15 Old 05-10-2010, 09:32 PM
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Added to the 2.0T stickies.

--CurrentCar--
2010 Karussell White Hyundai Genesis Coupe 3.8 Base
(Canadian Spec)
Carbon Filter Removed - 7000K High Beams/DRLs - 20% Tint - M&S Type D Grille - Black Vinyl Roof Overlay - Carbon Wrapped Console - BBM Lip Spoiler

--Previous Cars--
2005 Acura RSX Premium
2000 BMW 323i
1988 Toyota Supra Turbo
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#16 Old 05-11-2010, 06:22 AM
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lulz! I love the subtle humor. Thanks for taking the time to write and post this, Marcus.

Chris
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#17 Old 05-11-2010, 07:51 AM
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AWESOME thread, thanks for the info!!!

95 Integra GS-R Basic Bolt-Ons *SOLD*
97 240sx SR20 Swap FPBT28 Turbo, Cams, FMIC, Injectors ect... *SOLD*
01 Honda S2000 Basic Bolt-Ons *Sold*

Looking for my next toy, hopefully with BOOST!
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#18 Old 05-11-2010, 07:59 AM
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Why not start the engine and then pull the fuel pump fuse to release the pressure?

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#19 Old 05-26-2010, 04:03 PM
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Just did this today without draining the fuel rail...BE CAREFUL and make sure you have a bucket or something to catch the spray :P But man...did this with the new custom tune I got from Beyond Redline and holy **** does this thing fly! I really need to get a cat-back to go with my downpipe though, I can tell that 1.75" pinch in the exhaust is stealing some performance and pissing off my turbo

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#20 Old 05-26-2010, 04:09 PM
I haz no GC no mo :(
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Wow, very thorough. Nice work man.
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