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Help identifying engine knock

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Old Nov 23, 2019 | 06:18 PM
  #16  
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Exactly .... the only other thing you need to do is make a Fixture to take the injectors apart and put them back together....



they are easy to make... http://www.stanadyne.com/dealerporta...ment/99929.pdf <<== Page 10 also gives the service manual that you can search for too
 
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Old Nov 23, 2019 | 09:13 PM
  #17  
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I built a line for my tester that's rigid and horizontal. So I just build them freely but that holder definitely looks ideal!

I'd totally do a write up on it this weekend as my nozzles arrived, unfortunately they were not new nozzles they were USED and packaged loosely where the pintles and nozzles ended up separating. I've never been so disappointed with a vendor, I'll have to wait til Monday to see IF they will make it right. If not I pretty much lost out on 90$ They were the only vendor I could find that sold them. (Stateside that is) Didnt want to wait a month as I'm about to reseal the valley pan anyways.
 
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Old Nov 23, 2019 | 09:28 PM
  #18  
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the fixture just holds tension on the nozzle ... some of the injectors have pins ... it's just Prudence to use a fixture so you don't do damage to the seats

go to the Stanadyne dealer portal and grab the Injector Repair manual... it explains it all.

IF you need a Link I can give it if needed.
 
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Old Nov 23, 2019 | 09:32 PM
  #19  
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I have a manual for pintle style injectors (stanadyne 99118) as it explains it all the same, I've rebuilt a few sets, always with used parts and this time I wanted to do it right with new nozzles.
 
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Old Nov 23, 2019 | 09:47 PM
  #20  
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Originally Posted by DarkOverCast
I have a manual for pintle style injectors (stanadyne 99118) as it explains it all the same, I've rebuilt a few sets, always with used parts and this time I wanted to do it right with new nozzles.
yep that is the Manual I was speaking of the Pencil Nozzles are covered in Manual 99002 .... 99118 covers the Conventional Injectors which is what our IDI engines use. 99118 is the conventional Injector manual .

I've used used parts and new parts both... and I Balance them so they are all matched.
BTW New Springs take a bit of time before they settle in and it has taken me several weeks before they were actually right.... just saying
 
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Old Nov 23, 2019 | 09:57 PM
  #21  
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I think DarkOverCast knows what he is doing with injectors
The forums will not allow me to give you more Reps
 
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Old Nov 24, 2019 | 06:02 PM
  #22  
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Well, I ended up buying a new injector from Napa to replace the other new injector that was making noise. The engine runs much much quieter now. I think there’s still a knock which I’m sure is coming from a combination of the other injectors, but I’m happy with the fix for now. I wouldn’t be surprised if these injectors haven’t been replaced before so I’m sure the others are making a little noise as well. Take a listen to the first video and then this one. I think you’ll be able to hear the difference. I’ll end up replacing the other injectors over time, I have bigger fish to fry at the moment (new clutch and rear main) that’ll be swallowing my next paycheck or two. All in all, I’m glad there wasn’t a bigger problem. I appreciate everyone’s help.

 
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Old Nov 24, 2019 | 07:46 PM
  #23  
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Glad to hear it was a simple enough fix! You could save a lot of money buying the rest of your injectors online.
 
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