Problem with HPO X-Over - Ford Powerstroke Diesel Forum
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  #1  
Old 05-06-2009, 04:59 AM
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Problem with HPO X-Over

I have replaced the o-ring on my x-over twice now. The first time it lasted a day, then started leaking, this time it lasted about a month. It started leaking last night. Anyone else run into this, it is starting to aggravate me. I have the solid line from ITP. Beautiful piece, works great, but the tightening of the boss is so very critical. Can I put liquid Teflon or regular Teflon tape on it, would that help?
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Old 05-06-2009, 05:49 AM
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I would not put tape on it, if any of it gets to the injectors... It may not be good.

Mine has been on and off many times without issue, tighten the first fitting into the head then hold it with a 5/8" wrench while you tighten the line fitting with another 5/8" wrench...
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Old 05-06-2009, 05:52 AM
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I have done that , three times now. I am not a mechanic, but I have a 68 chevell drag racing car, runs high 6's, built by me. Very nice car. So it is not like i have never worked on a car before, i was just wondering if i was missing something, I talked with Dennis after the first one and did the second exactly as instructed, and it held for a month.
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Old 05-06-2009, 05:54 AM
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Weird... I just R and R'ed mine last night to pull the turbo...
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Old 05-06-2009, 05:57 AM
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I thought so as well, do you happen to know the size of o-ring? I was going to order it from Dennis, but I am going out of town Sunday for a week and don't want to drive it that long leaking.
Can you explain exactly how you tighten yours?
I tighten the boss until i just see the oring start to squish, the I hold the boss and tighten the line, am I missing something?
Dennis was saying that you tighen the boss untill the oring disapears, but mine squirts out if I try that, that's how I got the first leak
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Old 05-06-2009, 06:54 AM
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I would just keep tightening in small incriments until the leak stops. Make sure the O ring isn't cut or damaged.

NCH
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Old 05-06-2009, 07:12 AM
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Ok, so tonight just tweak it a little, that should work?

Thanks

NcHornet, I am going to Fayetteville Sunday for a week, where are you located, I would love for someone that knows these truck to look at mine and tell me all the noises are normal, first diesel, been doing all the mods myself
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Old 05-06-2009, 07:54 AM
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I just tighten mine to where it feels tight, then hold it with one while installing the hose.
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Old 05-06-2009, 07:55 AM
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Yea, that is what i AM DOING AS WELL< but I guess i am not holding my mouth right or something. I am going to tweak it tonight and see if that helps, unless it blew the o-ring out, that's what happened last time
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Old 05-06-2009, 08:01 AM
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Quote:
Originally Posted by benningtonr View Post
Yea, that is what i AM DOING AS WELL< but I guess i am not holding my mouth right or something. I am going to tweak it tonight and see if that helps, unless it blew the o-ring out, that's what happened last time
To be honest... IF I had the plugs still I would most likely remove the damn thing. Its a nice piece and all, but I didnt notice one thing differant with it on or off...
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