Pre-Power Stroke Diesel (7.3L IDI & 6.9L) Diesel Topics Only

Cleaning Injectors By Hand?

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  #16  
Old 05-25-2013, 08:39 PM
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So, o-rings, where can I get a set of just the o-rings? I have the new copper washers, return caps and hose, just need the o-rings, but all the auto-sites I've visited so far come up with the complete kit even if I search just for the o rings.

I'm not in a hurry, not even close to putting the engine back together, just looking ahead.

Thanks!
 
  #17  
Old 05-25-2013, 10:25 PM
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McMaster-Carr, viton #111 o-rings
They come in a bag of 50 for like $6 +shipping, will be enough to do 3 complete sets of injectors.

If you search you can find a direct link that someone has posted in the past, I'm just too lazy to look for it right now.
 
  #18  
Old 05-25-2013, 10:29 PM
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Thanks TG, I saw that thread and followed the link, but couldn't figure out which O ring we used. Now I have a number to look for.

 
  #19  
Old 05-26-2013, 08:54 AM
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This time when I clicked on the link in that thread it went right too the ones we use....

Ah well, for future reference here it is again:

McMaster-Carr
 
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Old 05-26-2013, 09:34 AM
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No problem. There website is a little funky, its hard to get links right to the actual product.
 
  #21  
Old 06-04-2013, 04:11 PM
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What do you guys think of these eBay pop-testers? I'm a bit leery of stuff shipping from/mad in India, but there doesn't seem to be an affordable local option and they do have a lot of good feedback:


Diesel Injector Nozzle Tester Pop Pressure Tester Dual Scale Bar PSI Gauge | eBay
 
  #22  
Old 06-04-2013, 05:53 PM
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i call it a bottle jack, pressure gauge, and a section of brake line
 
  #23  
Old 06-04-2013, 07:41 PM
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And???? ????
 
  #24  
Old 06-04-2013, 07:51 PM
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and? you could probably do it with a old grease gun as well (although i think it will be more prone to leak).

all you need is a small diameter piston and a lever to press on it. a reservoir of some sort, and a pressure gauge.

i make almost everything i use... so just a suggestion.
 
  #25  
Old 01-21-2014, 11:07 PM
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Originally Posted by Chevy_Eater
This time when I clicked on the link in that thread it went right too the ones we use....

Ah well, for future reference here it is again:

McMaster-Carr
Good thread, I just bought a pack of those O-rings too.
 
  #26  
Old 09-10-2017, 10:31 PM
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Originally Posted by RacinNdrummin
Be careful with the shims.... They ALL have shims.... If you only pulled a couple out, you probably have BB codes correct? The shims get stuck to the body really easy, and a small blast of air or brake cleaner will free them up, just dont lose them, or your screwed.

When you put them all togther again, use a light oil to lube the parts, and make SURE there is no specs of anything when you put them back together, keep things as clean as you possibly can... I Torque all my caps to 40ft/lbs (spec is 35, but I have had even fresh lapped surfaces leak just a bit with 35lbs, I have never had one leak at 40lbs.)

Thank you for the torque specs, was looking for these before I put the injectors back in the truck.
 
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