Director Injector Replacement in 2014+ Gm V8 Tech Tip Tue
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- Опубліковано 8 бер 2021
- Installing injectors in your 2014 plus GM V8 can present some challenges. How to install these seals and do it so you don't land any surprises. Note: The seal on the bad injector was in good shape yet because I put it back in and ran the vehicle on that injector some before I realized the injector flow was not what it should be. I had to figure out if it was just the leak or a combo of both flow and the seal as I had suspected. I replaced all injectors later after testing.
If you are replacing injectors be sure to match the number on the old injectors with the ones you replace them with.
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Automotive technician - Авто та транспорт
Had trouble getting my new injectors in. Now i know why.
Thanks for the heads up
Excellent video; thank you!
As always great info thanks. 👍
GREAT video!
Hi thanks for help i ask install injector and install rail or install injector in rail and install ?
Is there room to add an o ring to try and keep the moisture and crap out?
Yes there is a kit. It's expensive but you get a few sizes
Well I have a 94 suburban Silverado edition TBI and a 2007 Chevy suburban LS AFM 😱 and a 96 Chevy Tahoe LS so I pick a choose what I want to drive the 2007 Chevy suburban has a deactivation chip guess it's ok for now 🙏
Is there any issue with a stainless steel brush scoring the machined aluminum surface of the injector bore, and ending up causing a seal faulure that can only be fixed by replacing the head?
Doing this job now, replacing all 8 injectors on a '17 Escalade, and I'm terrified of destroying a head in the process of just trying to clean the bores.
If the head was damaged if could be fixed. But the goal is not to damage anything. I now use a drill bit that fits the hole just right but I treat the drill bit as a file rather than a drill bit. I get it to go through the hole and then work it up and down like a file with my hands. I hold on to the end with a vice grip though so I don't drop it by accident. It might also be a good idea to put the cylinder on TDC if you're really worried about it.
So what do you do what all the shit you’ve just dumped down into the cylinder???
Apply pressure through spark plug hole while cleaning injector hole or add grease to bit while cleaning hole out.
Gun cleaning kits work very good for this......
Some of them do yes.
Good analysis but if anyone has had any diesel experience they would do this automatically, brushes for cleaning injector bores are par for the course I see someone's comment about rifle cleaning kit, I can't comment on suitability but good diesel ones are brass and/ or stainless usually, cleanliness is next to godliness as i had drummed into me as an apprentice
Agreed, but diesel injectors seal in a different way. They use a metal ring of some sort typically and most are in a place that doesn't see dirt and debris. There are so many different ways diesel injectors seal it's crazy. I have yet to see one with a Teflon seal though. I have seen o-ring injector cup issues but that's a entirely different animal. I ran just the brush through these first but it wasn't enough. It required using the drill bit as a file.