Injector Oring help please - Ford Powerstroke Diesel Forum
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post #1 of 19 Old 03-30-2009, 02:36 PM Thread Starter
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Injector Oring help please

Ok guys, So I followed all the info from the tech files on Oring replacement here and so far has been real easy. The problem is 1 injector is missing an oring. Another is missing the copper washer. The tech file says to fish the washer out but I'm stumped Can't seem to find it or figure out how. A little help would be greatly appreciated. Is it possible for the oring to just completly disapear? thanks chris

early 99 250 Lariat s/c s/b 4x4
DIY intake
4" MBRP turbo back straight w/ 5" tip
3 piller gauges- boost, pyro,trans
TW tuned -
stock, h/idle, econ, L-tow, H-tow, extreme
t/c lock switch
HPX line
regulated fuel return
warn hubs
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post #2 of 19 Old 03-30-2009, 03:10 PM Thread Starter
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After closer inspection, I dont see how the washer could possibly get through the injector nozzle hole into the cylinder itself. It is definetley not in the injector tube.
I also noticed the the end of the injector has alot of dark carbon like build up on it and the rest are nice and clean. ? possible no washer to start with ? This is 1 of 2 that have been replaced at some time before me.

early 99 250 Lariat s/c s/b 4x4
DIY intake
4" MBRP turbo back straight w/ 5" tip
3 piller gauges- boost, pyro,trans
TW tuned -
stock, h/idle, econ, L-tow, H-tow, extreme
t/c lock switch
HPX line
regulated fuel return
warn hubs
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post #3 of 19 Old 03-30-2009, 04:26 PM Thread Starter
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nobody has any thoughts here?

early 99 250 Lariat s/c s/b 4x4
DIY intake
4" MBRP turbo back straight w/ 5" tip
3 piller gauges- boost, pyro,trans
TW tuned -
stock, h/idle, econ, L-tow, H-tow, extreme
t/c lock switch
HPX line
regulated fuel return
warn hubs
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post #4 of 19 Old 03-30-2009, 04:28 PM
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copper gasket will not magically disappear. Sounds like someone didn't install the injectors correctly.

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post #5 of 19 Old 03-31-2009, 04:22 AM Thread Starter
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thanks dirk, I cleanded the injector tube spotless,there is no washer. so i'm going to go with a wrong install. As far as the missing oring, has anyone seen 1 of these disapear?
Also do I need to clean the carbon build up of the end of the injector? will this efect performance?

early 99 250 Lariat s/c s/b 4x4
DIY intake
4" MBRP turbo back straight w/ 5" tip
3 piller gauges- boost, pyro,trans
TW tuned -
stock, h/idle, econ, L-tow, H-tow, extreme
t/c lock switch
HPX line
regulated fuel return
warn hubs
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post #6 of 19 Old 03-31-2009, 04:38 AM
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i would clean it...just dip it in diesel then wiper it off....diesel is easiest to use...you can use other solvents too.....

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post #7 of 19 Old 03-31-2009, 04:45 AM Thread Starter
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I have it soaking in diesel now, thanks
I was hoping a tech would chime in about the missing oring, guess I'll call the dealer and see what they say.

early 99 250 Lariat s/c s/b 4x4
DIY intake
4" MBRP turbo back straight w/ 5" tip
3 piller gauges- boost, pyro,trans
TW tuned -
stock, h/idle, econ, L-tow, H-tow, extreme
t/c lock switch
HPX line
regulated fuel return
warn hubs
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post #8 of 19 Old 03-31-2009, 07:07 AM
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I would replace the oring and pray that the injector is still working properly. Whoever installed the injectors was drinking a bit much that day or didn't know what the hell they were doing. Orings/washers/whatever don't disappear. I've seen a few with damage and eaten away a bit, but never gone.

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post #9 of 19 Old 03-31-2009, 12:44 PM Thread Starter
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Quick Question, injector torque. I seen in the tech files 10 ft lbs . my Haynes says 108 in lbs. which should I go with?

early 99 250 Lariat s/c s/b 4x4
DIY intake
4" MBRP turbo back straight w/ 5" tip
3 piller gauges- boost, pyro,trans
TW tuned -
stock, h/idle, econ, L-tow, H-tow, extreme
t/c lock switch
HPX line
regulated fuel return
warn hubs
cbremodel is offline  
post #10 of 19 Old 03-31-2009, 12:47 PM
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Just a question though, if the injector came unseated cant the copper washers burn up completely? Two of mine came unseated and the washers completely burned up, I know they were on there before becuase I double checked a washer was on each injector and they arent in the cups. Just throwing that possibility out there.

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