Upgrades and Aftermarket - 99 & up 7.3L EngineUpgrading or adding OEM or aftermarket equipment to your 1999-Up Super Duty or Excursion with 7.3L Power Stroke diesel engine. Please confine discussion of topics in this forum to those items that are specific to the 7.3L Power Stroke engine.
ok I just installed a new turbonetics turbo on the truck. for life of me I can not get the pedistal o rings to seal. I cleaned everything well and have tried two different sets of o ring. one was from international the other from itp. packed them in vasoline each time. it look like it is leaking between the pedistal and the motor. i pulled the pedistal off for two reasons. one since i was that close I should replace the o rings. the other due to the ebpv valve seeping oil at the shaft. now problem #2 is that the ebpv now longer works. I replced the valvle with a new unit from ford. i have pulled this thing off twice to attempt to fix the leak.
one thing i was not able to find was the torque spec on the pedistal bolts. i tightened them tight by hand. i can not see how the o ring would flatten too much or even roll or anything. the oringinal rings that were in it were yellow and left a little residue behind.
one thing i did not check was how true the matting surfaces are on the old and new parts. that is my next step today. that is just something that i would find odd since this is the first time these parts have been serviced. although i suppose it could happen.
any thoughts and experiences are welcome.
thanks
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2001 F350, 4x4 off road, 7.3, Auto, CC, LB, 3.73's, 285 BFG AT's, Curtis pop up hitch, 6637 intake, stock downpipe then 1st straight section is 4" with Magnaflow muffler and tail pipe (free), Autometer cubby mount gauges, CB, Sirrius radio
ok I just installed a new turbonetics turbo on the truck. for life of me I can not get the pedistal o rings to seal. I cleaned everything well and have tried two different sets of o ring. one was from international the other from itp. packed them in vasoline each time. it look like it is leaking between the pedistal and the motor. i pulled the pedistal off for two reasons. one since i was that close I should replace the o rings. the other due to the ebpv valve seeping oil at the shaft. now problem #2 is that the ebpv now longer works. I replced the valvle with a new unit from ford. i have pulled this thing off twice to attempt to fix the leak.
one thing i was not able to find was the torque spec on the pedistal bolts. i tightened them tight by hand. i can not see how the o ring would flatten too much or even roll or anything. the oringinal rings that were in it were yellow and left a little residue behind.
one thing i did not check was how true the matting surfaces are on the old and new parts. that is my next step today. that is just something that i would find odd since this is the first time these parts have been serviced. although i suppose it could happen.
any thoughts and experiences are welcome.
thanks
I am not sure if this will help you or not but here is what happened to me.
After switching out the up pipes and tranny, we accidentally bumped the return tube from the turbo. It became unseated. btw....I have a Holset H2E. We/I tried again and again to seat the %$#$% tube and it kept leaking. So finally I ordered new pipes from HyperMax. Played with them again and again. Finally in utter frustration I took the whole shebang out, turbo, o-rings, pedestal. I found an o-ring inside the pedestal. You really can't see it unless you have strong light. I actually felt it first by sticking my finger down the hole while the pedestal was still mounted.
Anywho.....long story short.....switched out the hardened o-ring and VIOLA......no more leaks.
Am not sure about stock mountings.
This o-ring in the pedistal, would it be in a new pedistal that I had bought, or do I have to install this o-ring. I am aware of the 4 o-rings for the pedistal, I was unaware of any others. Thanks and sorry for the minor hijack.
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2002 F-250, PSD 6-speed, CC, short bed, 4X4, Toreador Red w/ Silver accent, A.R.E mx cap, Weld Super Single II and 33s in the summer, x-springs, F-350 blocks and badges, AIC, proflaps, ITP intank mod, AirDog with 3 micron filter, isspro guages and TTM, scangauge, husky liners, alarm, xm stereo,stull 5399-p grille, centramatics, ccv mod, AIS Air Filter, Southbend CON O, Detroit Truetrac LSD, coolant filter, 203 stat with billet housing, blackcloud intake heater plug/boost fitting, reese titan hitch, fabcraft PTO cover/temp sender port, prodigy brake controller, ITP Boost Annihalator, oilguard bypass filter, Mag-Hytec rear dif, bilsteins, hellwig rear stabilizer bar, ATS housing, non-ebpv pedistal and exhaust flange, magnaflow 3.5dp exhaust, ITP reg return, turbomaster wastegate controller, and ceramic coated bellowed up pipes, PHP 50t and 80p, currently 96,100 miles. truck Pictures
There are four o-ring at the pedestal, two between the block anf ped two between the ped and turbo.
The large side is the drain the small one is the feed to the turbo.
Now for my update.
ok well with even further inspection it is not leaking out the ebpv shaft.
it is leaking between the turbo and the pedestal.
the drain hole on the turbonetics turbo is larger in diameter than the stock turbo. thus when you install the turbo which i have done twice. you must have the alignment just perfect. with the measurments we have taken it looks like this is a manufacturing defect.
stock drain hole diameter .785
turbonectics drain hole .893
the outside bore diameter of the drain hole on the pedestal is 1.100
so the oring can still slide to one side a bit more when seated in the pedestal
When I set the oring around the hole is barely onto the casting of the new turbo. If I do this on the stocker you can still see metal on the inside of the oring.
Has anyone else had this issue?
I do like this turbo. I just want it to seal up and not leak!
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2001 F350, 4x4 off road, 7.3, Auto, CC, LB, 3.73's, 285 BFG AT's, Curtis pop up hitch, 6637 intake, stock downpipe then 1st straight section is 4" with Magnaflow muffler and tail pipe (free), Autometer cubby mount gauges, CB, Sirrius radio
This o-ring in the pedistal, would it be in a new pedistal that I had bought, or do I have to install this o-ring. I am aware of the 4 o-rings for the pedistal, I was unaware of any others. Thanks and sorry for the minor hijack.
I have the H2E turbo and pedestal. How much different is it? I don't know but maybe someone like klhansen (resident diesel genius) can fill us both in.
All I know is my pedestal had an o-ring inside of it. (!!!???) I am not sure if a stock one has or not as I never worked on a stock pedestal.
hmm. i just swapped mine out no problems. i have pulled the turbo several times too.
not to be aggravating, but are you sure everything is seating and sealing properly? if the o-ring is getting smashed at all rather than sealing it's going to cause this problem.
ive used and reused o-rings without an issue... i don't use vasoline or anything. just oil.
also, the drain on the turbo has to be larger - the lip on the pedestal has to slide into it.
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2002 F250
Last edited by DarkShadowDiesel; 03-31-2008 at 02:30 PM.
The drain hole on the new turbo is still larger than the factory turbo.
Where did you get the o-rings you are using?
Yes I have been very carefull how I am installing everything. I found out that the hole spec is fine. Now we have to check the hole layout.
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2001 F350, 4x4 off road, 7.3, Auto, CC, LB, 3.73's, 285 BFG AT's, Curtis pop up hitch, 6637 intake, stock downpipe then 1st straight section is 4" with Magnaflow muffler and tail pipe (free), Autometer cubby mount gauges, CB, Sirrius radio
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