Which HPOP to replace
Senior User
Joined: Mar 2015
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From: Spiro
Quick question to throw in here. I have an 04 with the old style HPOP that I think is going bad. Just pulled it off and the feed tube to the branch tubes. The o-rings are flattened but not brittle yet. Inside the feed tube there is an o-ring and behind it was what looks like the Teflon o-rings you see on the dummy plug/standpipes, is this correct?
Postmaster
Joined: Aug 2015
Posts: 3,910
Likes: 18
From: NW IA
Quick question to throw in here. I have an 04 with the old style HPOP that I think is going bad. Just pulled it off and the feed tube to the branch tubes. The o-rings are flattened but not brittle yet. Inside the feed tube there is an o-ring and behind it was what looks like the Teflon o-rings you see on the dummy plug/standpipes, is this correct?
I'm pretty sure you can get just the parts for the j tube, without replacing the tube.
Senior User
Joined: Mar 2015
Posts: 156
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From: Spiro
Anyone know of a webpage that has a parts breakdown with numbers? I've been looking and have most of what I need, but I still need the numbers for that j-tube inside o-rings and the turbo oil supply and return gaskets/o-rings.
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Cross-Country
Joined: Jul 2010
Posts: 96
Likes: 1
From: on the river
here is the set I just got plan on doing it this weekend. www.xtremediesel.com/bostech-isk811-hpop-branch-tube-assembly-o-ring-repair-kit
Fleet Owner
Joined: Nov 2003
Posts: 27,924
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Just telling you what the web site specifically states .............. probably an error on their part.
"2003-2004 FORD 6.0L POWERSTROKE (BUILT BEFORE 9/23/03)"
The pumps (03, early 04, and late 04) are certainly interchangeable, but be aware that (IIRC) the branch tube changed in late 04.
The turbo oil supply and drain changed somewhat for the late 04 also.
"2003-2004 FORD 6.0L POWERSTROKE (BUILT BEFORE 9/23/03)"
The pumps (03, early 04, and late 04) are certainly interchangeable, but be aware that (IIRC) the branch tube changed in late 04.
The turbo oil supply and drain changed somewhat for the late 04 also.
Postmaster
Joined: Aug 2015
Posts: 3,910
Likes: 18
From: NW IA
Just telling you what the web site specifically states .............. probably an error on their part.
"2003-2004 FORD 6.0L POWERSTROKE (BUILT BEFORE 9/23/03)"
The pumps (03, early 04, and late 04) are certainly interchangeable, but be aware that (IIRC) the branch tube changed in late 04.
The turbo oil supply and drain changed somewhat for the late 04 also.
"2003-2004 FORD 6.0L POWERSTROKE (BUILT BEFORE 9/23/03)"
The pumps (03, early 04, and late 04) are certainly interchangeable, but be aware that (IIRC) the branch tube changed in late 04.
The turbo oil supply and drain changed somewhat for the late 04 also.
That, and the stand pipe is in a different location altogether between builds.
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Fleet Mechanic
Joined: Nov 2012
Posts: 1,348
Likes: 110
From: Lakeland, Fl
The manual states to not reuse the early branch tubes if removed. When I pulled mine they made a 1/4 turn before breaking loose and the twist set in the tube. No way I was putting it back regardless of what the manual said. My advice, leave them alone unless you intend to replace them.
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Cross-Country
Joined: Jul 2010
Posts: 96
Likes: 1
From: on the river
Just telling you what the web site specifically states .............. probably an error on their part.
"2003-2004 FORD 6.0L POWERSTROKE (BUILT BEFORE 9/23/03)"
The pumps (03, early 04, and late 04) are certainly interchangeable, but be aware that (IIRC) the branch tube changed in late 04.
The turbo oil supply and drain changed somewhat for the late 04 also.
"2003-2004 FORD 6.0L POWERSTROKE (BUILT BEFORE 9/23/03)"
The pumps (03, early 04, and late 04) are certainly interchangeable, but be aware that (IIRC) the branch tube changed in late 04.
The turbo oil supply and drain changed somewhat for the late 04 also.
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