Dave’s Engines
Region: US
Tuesday 03 February 2026 00:05:46 GMT
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Fernando :
The new one he just installed already split 😂
2026-02-03 15:08:57
92
Jacob Byard :
I lubricate my tip seals. I am a gm technician. Why is it bad?
2026-02-03 00:36:29
23
tomcatsaysmeow :
Did no one else see the new one tore when he put it on
2026-02-03 03:21:21
22
Michael Newman :
I have lubed fuel o-rings with Vasoline on automotive and turbine engines for 30 years. Why do you say not to lube?
2026-02-03 04:06:07
8
RatedRich :
lubed them for years and never had any issues
2026-02-03 01:51:44
14
user5335315663119 :
You need to lube them all them time, but using right stuff
2026-02-05 01:41:31
6
dale sanders :
Inspect, clean and use vasoline. No problems. Done hundreds
2026-02-04 01:14:15
9
BBEAST RIDER :
What they forgot to mention is clean the injector ports before reassemble !
2026-02-03 17:24:40
6
Brice Fuentes :
Caden put on these safety glasses for the video lol 😆 anyway good catch
2026-02-03 03:48:25
6
Zach :
Bold to assume they lubricated the seals. They most likely tore upon install. Up north we see the injector ports in the head corroded, that corrosion then rips the seal. I've seen them make it 500 miles until it starts leaking combustion. Highly recommend wire brush or some sort of reamer.
2026-02-03 01:26:25
5
David Northrop :
I could see it on the head before you showed the missing seal
2026-02-05 05:42:04
4
Manny Silva :
Never go in dry
2026-02-04 05:08:34
5
Abel😋 :
New discovery… 😂
2026-02-07 19:08:43
3
Andres Cerna :
What year is vehicle
2026-02-03 00:17:21
6
Chalahead88 :
Does this apply to 2015 f150 injectors?
2026-02-07 20:59:08
4
michaeldow308 :
good job Caden!
2026-02-03 00:31:37
5
Nate Villarreal :
I used silicone spray never had that issue
2026-02-06 10:41:32
3
MorgancreekMadman :
Thank you for sharing.
2026-02-06 11:31:36
4
user5537574439730 :
Amazon has 8 new injectors for 103 dollars for all 8 made by the same company that make gms
2026-02-03 01:30:33
3
dwaintrevor :
Don’t forget to go back over with the black tool to resize it it will tear if you don’t
2026-02-06 23:16:23
4
Craig Thomas :
Make sure to use the sizer to shrink the teflon seal. And lubricating the seals are fine lol
2026-02-12 23:49:49
5
It’s Real :
What were the symptoms??
2026-02-15 09:22:50
3
Mike B :
All these people saying they’ve always lubed them and doing it for decades, how are they not realizing these aren’t regular injectors-they’re direct injectors. Completely different. And haven’t been around for decades.
2026-02-06 06:44:36
3
cbogle7 :
High pressure pump Gasoline systems are garbage.
2026-02-04 08:30:39
2
Alfredo sauce :
I have never seen one of those seals leak like that. Someone reused the seal, that’s why that happened. I thought you were going to say it was because the crankshaft needs a bigger woodruff key. I’ve been a master gm tech for 26 years.
2026-02-03 17:37:50
4
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