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1994.5 - 1997 7.3L Power Stroke Diesel  

Removing Injector

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Old Apr 26, 2012 | 01:14 PM
  #46  
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JonathanN
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From: Garden City, KS
That... OR, he could glue it back on a little higher on the box?
 
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Old Apr 29, 2012 | 10:19 AM
  #47  
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Managed to get that #7 injector out. Ended up removing the solenoid off the back of the injector, and it slipped out after that. Didn't risk breaking the vacuum reservoir that way.

Got everything buttoned up and put back together. One thing I found helpful when re-installing injectors - keep the oil spout deflector bolt loose until the bottom injector hold-down bolt is secured to spec, then tighten the oil deflector bolt. Otherwise, if oil deflector is secured slightly out of proper position, it could prevent the bottom hold-down bolt from lining up properly through the mounting harness.



Engine light came on when I finally got it started and running - have to figure out how to set up my Aeroforce guage for reading codes and I'll find out what they were.

At this point - just a couple anomolies:

Some oil leaking at the valve gaskets: I cleaned off the mating surfaces pretty meticulously - took about 10-15 min each to wipe down and scrub the valve mounting surface and valve cover surface. Installed new valve cover gaskets on both sides - torqued all cover bolts to spec (and then a little bit more). Any recommendations on how to stop the leak - just crank down the bolts past spec, or is there a better method (ideally that doesn't have me back under the covers for at least 50k miles )?

Have a new whirring sound that occurs when boost pressure gets up above 5.0 or so - it increases in pitch and volume as I punch it, and is more pronounced in 3rd gear than 2nd or 4th (at similar boost pressure), but gets pretty pronounced in 4th up above 2200 rpms or so. I installed a new K&N high volume filter when putting the intake back on. Anyone know if the K&N has a noticeable swooshing sound much moreso than the darth vader mask filter? If not - I'll look around for a hole or mismatch on the rubber intake lines, and perhaps re-glue that vacuum reservoir on the heater box (though wouldn't expect this to affect acceleration).

Thanks a ton for everyone who helped out - overall a successful first-time installation of new injectors, glow plugs, uvch harness and valve gaskets - and the truck really gets up and moves her *** with the stage 1 injectors and tuner. Thanks especially to Jon who did that great injector replacement write-up. The pictures and description were invaluable for me.
 
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Old Apr 29, 2012 | 11:18 AM
  #48  
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JonathanN
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Check to make sure the flanges on your VC's are straight... kinda surprised they're leaking with new gaskets. I never bothered with specs on the VC's, just got it to where they were nice and snug with a 3/8" drive. The rocker arm and injector bolts I did do to spec. Won't hurt to try to snug the VC bolts a little... the VC's like to leak is where the hardest bolts are. On the driver's side, I have to use a universal to get to that one. On the passenger's side, I have to reach through the fender well for the two or three farthest back on the bottom edge of the VC. NP on the writeup... glad it helped! I just try to post stuff that I wish I'd had when I did something for the first time.
 
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Old Apr 29, 2012 | 02:07 PM
  #49  
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Help!!! Replaced stock injectors and now truck misses

I'm not sure how to start a new thread...
I just changed out my stock injectors with a used set of stage 1 injectors (they had been in the truck for a few months and he blew it up). I've went over 300 miles, since I knew it would run like crap until all air was worked out, but at 1100-1300 RPM I still have a miss. Is this a sign of a bad injector or a bad harness?
Thanks in advance for any help.
Oh yeah I have a 1997 F 250 with a 7.3, 232,000 miles, TS 6 position chip, 3 inch down pipe.
 
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Old Apr 29, 2012 | 02:17 PM
  #50  
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dwnshift79, right above the list of threads there is a button that says new thread. after that its pretty self explanitory.. If you start your own thread im sure someone on here will help you out. tons of informed people here...
 
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Old Apr 29, 2012 | 02:37 PM
  #51  
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Thanks I didn't see that before.
 
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