Injector pintle cleaning?
Hotshot
Joined: Dec 2003
Posts: 15,368
Likes: 121
From: Stuttgart, Ar
I guess I don't know what you're refering to when you say pintle. I would keep the injectors themselves as clean and oiled as possible. If you're refering to the hold downs then yes clean them. Other than that I'm lost
Elder User
Joined: Sep 2007
Posts: 803
Likes: 1
From: S CAL
Do they have carbon on them? One thing I have read is to stick a vacume pump on the end where the pintle is and draw vacume on the injector to see if it will hold vacume. From what I have read they should and if they do not then they could be bad.
Last edited by 3000 FPS; Feb 19, 2008 at 06:28 PM. Reason: More info
Elder User
Joined: Sep 2007
Posts: 803
Likes: 1
From: S CAL
Originally Posted by npccpartsman
I guess I don't know what you're refering to when you say pintle. I would keep the injectors themselves as clean and oiled as possible. If you're refering to the hold downs then yes clean them. Other than that I'm lost
Hotshot
Joined: Dec 2003
Posts: 15,368
Likes: 121
From: Stuttgart, Ar
I guess pintle equals plunger? that is the piston that injects the fuel through the nozzle? Other than that there really isn't a nozzle needle to speak of in this injector, at least not like the old bosch mechanial injectors used in tractors.
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Cargo Master
Joined: Mar 2007
Posts: 3,103
Likes: 32
From: AB/BC
The 6.0 bible has the breakdown on the injector.Pintle would be the same as nozzle in my minds eye.I was wondering if it is a normal procedure to clean the carbon off the tip before I put them back in. Judging from this post they are going straight in.
Elder User
Joined: Sep 2007
Posts: 803
Likes: 1
From: S CAL
Well brickie as long as you know that they are seating ok and no leaks then go for it. That is why I suggested the vacume test so you could check for a leaking injector before you put them in.
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Senior User
Joined: Jan 2004
Posts: 174
Likes: 0
From: Illinois
Just wipe them off with carb cleaner on a rag, never use a wire brush! The pintle is actually the needle inside the nozzle that regulates and controls fuel flow. 
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