Cadillac Escalade L86 Fuel Injector Replacement on Direct Injected 6.2L DOD V8!
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- Опубліковано 25 сер 2024
- Cadillac Escalade L86 Fuel Injector Replacement on Direct Injected 6.2L DOD V8! Covers 2015 2016 2017 2018 2019 2020 & 2021 Chevy Tahoe Suburban Silverado GMC Yukon Sierra Avalanche! How to remove, replace & install Vortec Ecotec 6.2L V8 Fuel Injector! EASY Step by Step 6.2 L fuel injector guide for the GM Trucks and SUVs! Similar process for the 5.3L Vortec. I will show you how to do an injector change. Easy step by step installation and removal tips. Instructions also apply to other cars!
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This is a how-to video for the “Do-It-Yourselfer” working in the home, driveway or garage. No fancy or crazy expensive tools. I'll show you step by step how to get the job done!
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Cadillac Escalade L86 Fuel Injector Replacement on Direct Injected 6.2L DOD V8! #WorkingWithWimberley Episode 176
I just did this on my 15 L83 Silverado. Same as you I replaced all 4 injectors and the rail. Bent the rail and a good injector coming out. Friend works at the local dealer and he told me others have broken the injectors off in the head. My advise although GM doesn't call for it is to use a slight film of silicone grease on the seals as the injectors will go into the head easier. My first attempt pushed a seal off #8, and it blew off after a couple days. Used the grease 2nd time and so far so good.
Thanks for the tip!
What was the symptom of the pushed seal? I replaced my injectors the other day and now I have a strong fuel smell somewhere, code p0174 and a cylinder 6 misfire. I replaced the fuel lines and torqued to spec. And turned the key to the one position to pressurize the system but saw no leaks before I installed the intake manifold. I’m assuming either the injector itself is leaking or maybe one of the seals failed, but I can’t see how the fuel would be leaking upwards to cause the smell
@@Nick-pk1cj It’s a high pressure fuel line system so if one of the seals is damaged or not seated properly, fuel would leak out from that seal.
@@Nick-pk1cj
These LT engines have 2 fuel pumps, one is a low pressure pump ( electric on with acc power) and one high pressure pump ( fuel lobe on cam shaft driven) unfortunately if you never cranked the engine over, you would not have had high enough pressure to spot a leak with the intake off. I would do a leak down check on cylinder 6 and listen for an air leak under the intake manifold
I was driving beside you on jefferson and decided to take a look! Cheers from 🇨🇦
Wow!! Thanks for checking out the channel bro! I always wonder if anyone pays attention to the window decals. Here’s a video with the Fleetwood in it: ua-cam.com/video/ejJXkSlosh4/v-deo.html
I bet you were so relieved when you got that fuel rail out! Great job!
I certainly was! Thank you!
Looking good. You’re improving. Your explanation and instruction are easy to understand.
Thanks Mike! I’m trying to take a more personable approach with the videos.
Those injectors have a high failure rate, changing all four was the way to go or you will be back on the same fuel rail soon. To help get the rail out, soak the injectors in penetrating oil where they go into the heads before you start trying to remove it and keep soaking it as you work it back and forth like you were doing. It also helps if the engine is warm when you are working on it. The injectors might break but you could save the rail. Those high-pressure fuel lines are one time use (supposedly, according to GM) so if you want to reuse them, you have to tighten them to uncomfortable levels sometimes to avoid leaks. Nice work, nice truck!
Thanks Scott! I ultimately decided it was well worth the money to replace the rail and all four injectors. I went with all AC Delco factory parts. I did soak the injectors in WD, but the engine wasn't warm. I had it apart to see exactly what I needed before I ordered the parts, so it sat for a while. And I did buy new lines. I think it's ridiculous that they are "one time use." We tightened them until they were flexing (the second time). Still being careful not to break them. I love the Escalade and usually trade them in to get a newer one after 3 or 4 years, but this one has so many new parts on it, I'll probably keep it. I'm almost embarrassed to admit how many new parts are on it!
After 50k miles 90% percent fuel injectors are just dirty . Once you clean them out by connecting to 12 volt battery to open them , hold them tight because some of them are still pressurized with fuel , it will open up and spray it out clean . Dry them off and put new seals and just Like new .
@@stephen6866so you need to remove them ang fo this procedure? Or while still attached to the engine?
Nice walk through buddy. I feel better about taking it on. Thanks and God bless!
Excellent! God bless you too! It was a lot of work putting this video together. I’m glad you were able to find it. 👍🏽👌🏽🇺🇸🙏🏽
Great video, thank you very much! Definitely helped me understand easy step by step! Well done sir, well done.
You’re welcome! I’m glad the video helped!
God bless you brother. . . you explained and demonstrated so well, it gave me the confidence to do myself. God bless you brother!!
That’s awesome! I’m glad the video helped. God Bless you too. 🙏🏽🙌🏽
This was an awesome video - Thank you for sharing and documenting the work!
You’re welcome! I’m glad the video helped! This job seemed scary at first, but I felt like it was worth it to try it myself.
Thanks for the video you save me a lot of money!!!!
You’re welcome! I’m glad the video helped!
Great video! Thank you so much sir!!! My pockets are very happy…
You’re welcome! I’m glad the video helped!
Great video. Yeah I’ve heard these injectors are a pain to get out / in.
Thanks! It was my first time dealing with a direct injected motor. The injectors are notorious for being difficult to get out. It was a pain. But ultimately, we succeeded!
Outstanding job well done👍🏽
Thank you so much for all the support!
Do you have the part numbers for all the parts you replaced?
Parts List:
Fuel Injector AC Delco 19420316
Fuel Rail AC Delco 12707882
Intake Manifold Gasket AC Delco 12626354
Fuel Pipe AC Delco 12677004
Fuel Feed Line AC Delco 12618338
Fuel Feed Line AC Delco 12677002
Really enjoy these videos bro! Great job.
Thank you! I’m trying to step it up a bit.
I have the same issue brother. You did a good job but I will take it to the dealer I guess.
Thank you! I understand. The job definitely had its tough moments!
🙏My MAN thank you so much!
You’re welcome! I’m glad the video helped! I put a lot of work into this one so I’m super glad it’s reaching people!
Yep; haven't had that problem yet but I will do it.
Ok great!
Thanks man!!!!
You’re welcome! I’m glad the video helped!
Nice job 👍
Thank you!
Great video!
Thanks bro!
Great video
Thanks! I put a lot of work into this one.
Great vid. Question, did the misfiring have any other symptoms? I have a ‘16 escalade premium with same codes only mine were for cylinder 4. I get some blue smoke (light not thick) coming from exhaust on start up and while idling. This is telling me oil is burning somewhere but I smell more fuel than anything. No leaks so guessing its burning inside the combustion chamber? Any thoughts? Replaced coils, wires and plugs. Even threw in a new PCV valve for good measure. Gonna work on the faulty injector rail tonight.
Thanks. All I had was the flashing check engine light and a bad misfire. I didn’t notice anything burning in the exhaust. Also, I parked the Escalade immediately. Probably only drove two blocks after the flashing. Sounds like something is definitely getting into the combustion chamber. Usually it’s coolant or oil.
Is that considered the “left” or “right” fuel rail? I need to order but can’t tell the difference online
@@ryanmccormick4279 Left is drivers side. Right is passenger side. I did the right passenger side.
How did you get the fuel rail off? We are struggling.
We used the pry bar method from this video. It was just way harder and we bent up the fuel rail while removing it. ua-cam.com/video/IvEnbJEa0xA/v-deo.html
My experience show rubber orings tend to be stuck in ports - spraying with a little berkebile gum cutter works wonders, or a little penetrating oil / I prefer the gum cutter
I soaked them in WD40, but they still didn’t want to come out.
How did you knw your injector were goin out
I did have a check engine light with code P0208. Cylinder 8 misfire. That’s how I knew.
Thanks but I had code PO306 on my 2017 Escalade and I change the coil packs and spark plug on cylinder 6 and I still have a ruff idle and I’m gonna try the injector tomorrow hope it work
I'm doing this on my wifes Escalade. The only thing i want to know is how did you get those clips off the back of the manifold? Thats the part where im stuck cause i cant get my hands back there
I had to take the manifold off first with the clips still connected on the back. Then I could pull the manifold forward a bit so that could more easily reach the clips on the back.
Ok man thanks. I was afraid to pull it too much with the clips still hooked. I'll give it another shot tomorrow when it's warmer here haha
@@crazy_cowboy2981 I understand. You can’t see what you’re doing but you can feel it. It’s not too bad once the manifold is off.
Great video !! I’m having the same problem with my 2016 Cadillac having a misfire with the injector on my passenger side, closest to my firewall question what’s the difference between a high , low , or nom flow injector reason I ask went to order all 4 injector and the dealer ask me which flow injector I need I said all 4 in the passenger side nd he reply he need to know which type is it high low or nom flow
I have no clue how you would know that. I figured it was only one kind. I can tell you the ones I purchased were AC Delco part # 19420316 and I usually use gmpartsdirect.com to find part numbers. Sometimes I get part numbers from the dealership but that’s hit or miss. If you get someone cool, they’ll give you the numbers. If you get a weird person, they won’t give you the part numbers.
What code or codes did you get?
How'd you know it was definitely an injector?
I think it was P0308 misfire in cylinder 8. I swapped a plug and coil to see if the code moved. It didn’t. Only thing left was the injector.
@@WorkingWithWimberley that's exactly what I have but on cylinder 6 (P0306). So, after swapping coils and new plugs & wires I had to check to make sure it's not its not a collapsed lifter, which thankfully it isn't. Looks like it must be the same problem with the injector.
Thanks for the great video!
Nice
Thanks bro!!!
yoooooo nice. No more mistakes! XD
Yup! I’m all set now!
how did you know you didn't tighten the fuel lines enough?
I had fuel pouring out from under the intake. The leak was huge. So I had to take the intake back off and tighten up the lines. After that, it was good.
Thank you so much, you video has been very helpful
You're welcome!
hello how did you swap the bolts from the old to new fuel rail is there a trick to it ? i bent my fuel rail and now need to get a new one
It was easy. The bolts are held in with some sleeves, but you can easily remove the bolts from the sleeves and just transfer the bolts and sleeves into the new rail. No special tool necessary. I think I used a socket and pliers. That was it.
Do you happen to remember the engine code you got that led you to believe it was the injector? I have a P0206 in mine, wondering if it was a P0208 for you. Also, can you tell me which plug is the #6? I can't seem to find a diagram anywhere telling me what cylinder is what on this engine. I always thought the passenger side was 1,2,3,4 fr front to back and driver side was 5,6,7,8... but I suspect that's not correct for the L86
I did have the code P0208. And it was the cylinder closest to the firewall on the passenger side. I believe this is the firing order: help.summitracing.com/app/answers/detail/a_id/4970/~/late-model-chevy-firing-order
How did you select the correct injector?
I waited until I removed the old parts before I ordered new ones. I was able to get the part numbers right off the old parts including the injectors. I’m pretty sure the injectors part number was obsolete but I was able to find the new number by seeing what replaced the old number.
@@WorkingWithWimberleyroger that, I tried to order them based on ViN and the parts store is giving me the run around about part number.
@@mptorecon Yup. That’s how it goes. Same with sites like RockAuto. It gives you a ton of options. I figured it would just be best to get them right off the old parts.
Great video , why did you replace those parts ? Wat was the simpthoms on the truck , because i think i have to do this on my ext 2007 cadillac 6.2
I had a flashing check engine light. And the code came back as a misfire in cylinder # 8.
@@WorkingWithWimberley thank you
@@davidpalomino64 You’re welcome.
So what were the symptoms and what lead you to the injector??
I had a flashing check engine light and code P0308 which stands for “Cylinder 8 Misfire Detected.”
Gotcha I have a 2019 Escalade with misfire in #6 swapped coil and plug wire still misfiring
@@6speedmike41 I swapped a coil too. The misfire remained on cylinder 8, so I knew it had to be the injector.
Just pulled valve cover on mine and verified it's the #6 dod lifter that's seized 😭
@@6speedmike41 Sorry to hear that bro.
I am doing my injector and I see you put the big white o rings on the injectors. My injectors didn't have those white o-rings when I pulled them, did yours and did you keep the new white o rings on them when you did the reinstall?
My injectors didn’t have them when I pulled them off. I added those seals. If I remember correctly, GM added them at some point. I believe it’s to stop the injectors from becoming seized in the head. So I don’t think they are 100% necessary, but you can add them if you want.
@@WorkingWithWimberley Thanks for the fast response, I ended up installing the white o-rings with the new injectors. Truck is buttoned back up and running great. #8 injector failure also. thanks for your video
@@kelleo727 You’re welcome! I’m glad the video helped!
Ebay has ACDELCO injectors on sale . ALL 8 FOR $ 100 . I would rather do that and clean and test used injectors at later date
Ok great.
Did you any loctite on the fuel lines? I’ve seen one person claim it’s necessary and I can see they dealer used some type
Of blue locking fluid. If yes what exact brand and type did you use ?
I did use red loctite that I already had in my garage. I don’t know the brand or type.
Thanks did you use any lubricant on either side of the injector( rail or engine block). If yes what kind. Appreciate the help
@@MikePot-iy1wc I did put some grease on the injector seals before I put them into the head. But it was just what I had in the garbage. Probably just a little bearing grease. I’m not sure if there’s a specific grease that should be used though.
So there is no such code for "bad fuel injector" miss fire yes. I'm.sayingthis becuase I refuse to take my 2015 escalade to a dealer or shop to work on it. I have a tick that comes and goes, check engine light that comes and goes. But the loss of power and miss fire doesn't go away.... Changed coil pack, spark plug, atf in oil and changed oil. Smokes under throttle sitting. But while driving no smoke and runs pretty good under hard acceleration. What's left is take the valve cover off to see if the valve is moving... But I really think it's the #4 injector code P0304 ... What made u know that it's an injector and not a lifter, bent push rod ?
I did have a check engine light with code P0208. Cylinder 8 misfire. I swapped the coil, wire and plug from a different cylinder and got the same code. So I figured it was the injector and I was correct.
I need some help I have a 07 went on limp mode won’t go fast then 20mhp has misfires on in
You need to get a scanner hooked up and see what check engine codes are present. I would work off of that. Without doing that first, everything is just a guess.
Throw codes for injectors
I unplugged one side coil and wire drive side has spark
Passenger side no spark on any of the coil packs
@@cesarescobedo2943 It seems odd that an entire side stopped working. I’d check fuses and relays. Also check for burned or broken wires in the harness.
How much did the parts cost you?
I spent $350-400 on all the parts. I’ll have to add a price breakdown in the video description.
@@WorkingWithWimberley thank you. You should have saved at least the same for labor.
Could I get a parts list of all the parts that you bought?
Parts List:
Fuel Injector AC Delco 19420316
Fuel Rail AC Delco 12707882
Intake Manifold Gasket AC Delco 12626354
Fuel Pipe AC Delco 12677004
Fuel Feed Line AC Delco 12618338
Fuel Feed Line AC Delco 12677002
🙏🏿😇🙌🏿
You’re welcome! I’m glad the video helped!