Bad copper washers.... - Ford Powerstroke Diesel Forum
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post #1 of 5 Old 03-02-2012, 07:26 AM Thread Starter
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Bad copper washers....

So I was replacing #3 injector yesterday and decided I was going to change all of the o-rings on the rest of the injectors and found every single one was leaking past the copper washer. Is this normal? Will it leak past the first o-ring? Replacing o-rings mainly because I'm getting air into the fuel filter housing and the #3 show an imbalance code.....

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post #2 of 5 Old 03-02-2012, 09:27 AM Thread Starter
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Bump... anything anybody???

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post #3 of 5 Old 03-02-2012, 09:40 AM
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No it is not normal, at some point the injector hold down bolt has streached from overtighteniing, or was never torqued correctly. This allows the injector to un seat.

It is nearly impossible to get an old copper washer to seal properly that is why it is recomended to use new washers. While you have the injectors out I would recomend changeing the o-rings any way. The o-ring kit isn,t real expensive.

I also recomend cleaning the injector cup, which by the way if any of the injectors were hard to get out, the cup itself may have unseated. Which is a whole nuther ball game.


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post #4 of 5 Old 03-02-2012, 10:04 AM Thread Starter
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The number #7 was a reman that someone put in before me and it was way to tight ...I had to use two hands to make sure I didn't strip the torx bolt out. Not an easy spot. I purchased new o-rings for the pass side and already installed. Just have not finished installing them yet. Not of ye injectors were hard to remove. But I was a bit confused about how the fuel was all gelled up in the cup area and on the injector between the white o-ring and copper washer.

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post #5 of 5 Old 03-02-2012, 10:07 AM Thread Starter
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I should say I installed all the new o-rings but have not installed the injectors yet.

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