Removing a stuck injector - Defender Source
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  #1  
Old January 18th, 2016, 05:24 PM
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Removing a stuck injector

300 tdi head has a stuck injector. I assume it is corroded so bad it's locked in there. Any suggestions how to get it out? Thinking that I'll drizzle some lye or phosphoric acid on it to dissolve the corrosion.
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  #2  
Old January 18th, 2016, 05:45 PM
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Gene
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Pb blaster soak and a big wrench to work it back and forth a bit? They are fairly stout. If that fails move to slide hammer?
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  #3  
Old January 18th, 2016, 05:48 PM
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Mine let loose when I ran the truck with the clamps loose(by accident)
Before that I couldn't get them loose to save my life.
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  #4  
Old January 18th, 2016, 05:48 PM
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Better with a warm head/engine as the aluminum expands away from the injector. An, yes, turn with a big wrench on the flats to work loose.
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  #5  
Old January 18th, 2016, 06:11 PM
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A slide hammer is the correct way. Assuming you don't have one maybe fashion one but you will need something to screw onto the end of the body.
Look what I found when I took my injectors out.....

------ Follow up post added January 18th, 2016 04:15 PM ------

With pic...
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  #6  
Old January 18th, 2016, 06:19 PM
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  #7  
Old January 18th, 2016, 06:22 PM
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X2 on the slide hammer. I had one stuck so badly that it actually cracked while I was turning it back and forth with a wrench. You can rent one cheap from Advance, then just tack a couple of nuts together to thread into the shank of the slide hammer and into the head of the injector. It's a 14mm nut but I can't recall the pitch off hand.

-Ash
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  #8  
Old January 18th, 2016, 06:44 PM
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Slide hammer is a great idea!!! I have plenty of nuts I can cut off old fuel lines!!! Thanks d90!!!!
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  #9  
Old January 18th, 2016, 07:06 PM
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turn the injector clockwise-ie like you would tighten a bolt. The injectors screw apart in the middle and I had one come apart and it ruined the injector
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  #10  
Old January 18th, 2016, 07:09 PM
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Yeh right now it is so tight it bent an open end wrench that had a pipe on it
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  #11  
Old January 18th, 2016, 07:15 PM
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Quote:
Originally Posted by o2batsea View Post
Yeh right now it is so tight it bent an open end wrench that had a pipe on it
#4 ?

We were using acetylene and alternatively spraying kroil.
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  #12  
Old January 18th, 2016, 08:30 PM
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What's a pro tip to keep them from getting stuck? Anti-seize when reinstalling?
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  #13  
Old January 18th, 2016, 08:38 PM
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Quote:
Originally Posted by Broncoduecer View Post
What's a pro tip to keep them from getting stuck? Anti-seize when reinstalling?
I would not put anything in there. They most likely get stuck after leaking which fills the void with carbon. Without a leak the area should always be clean.
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