Is it possible
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Junior User
Joined: Jun 2011
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Is it possible
For a headgasket to leak oil? I got an oil leak on my 04. It's covering the driver side head on the rear also covering the exhaust manifold too then it's dripping off the transmission bellhousing. I have some pictures but can't post from my cell.
Thanks for any info.
Thanks for any info.
Postmaster
Joined: Jul 2011
Posts: 3,263
Likes: 0
From: Houston, TX
it might be leaking from the HPOP or icp or ipr valve.
i would pull off everything from the top jus to get a better view.
for a headgasket to do tat, it must be an overboost condition. but then again, by tat time, there will be other symptoms like shudder, rough idling, etc. u should see signs like tat before something big blows. thar she blows, cap'n!
i hope i might help steer in the right direction. i'm sure the other experienced guys like zhilton, bismic, cheezit, npccpartsman, etc., will chime in later.
heck, ah might even be wrong somewhat. my brain's a little fuzzy but if i'm right, i'm sure the guys will say i'm right. hehehehe.
i wish u the best, pal. hope it turns out ok.
i would pull off everything from the top jus to get a better view.
for a headgasket to do tat, it must be an overboost condition. but then again, by tat time, there will be other symptoms like shudder, rough idling, etc. u should see signs like tat before something big blows. thar she blows, cap'n!
i hope i might help steer in the right direction. i'm sure the other experienced guys like zhilton, bismic, cheezit, npccpartsman, etc., will chime in later.
heck, ah might even be wrong somewhat. my brain's a little fuzzy but if i'm right, i'm sure the guys will say i'm right. hehehehe.
i wish u the best, pal. hope it turns out ok.
Cargo Master
Joined: Mar 2007
Posts: 3,103
Likes: 32
From: AB/BC
it might be leaking from the HPOP or icp or ipr valve.
i would pull off everything from the top jus to get a better view.
for a headgasket to do tat, it must be an overboost condition. but then again, by tat time, there will be other symptoms like shudder, rough idling, etc. u should see signs like tat before something big blows. thar she blows, cap'n!
i hope i might help steer in the right direction. i'm sure the other experienced guys like zhilton, bismic, cheezit, npccpartsman, etc., will chime in later.
heck, ah might even be wrong somewhat. my brain's a little fuzzy but if i'm right, i'm sure the guys will say i'm right. hehehehe.
i wish u the best, pal. hope it turns out ok.
i would pull off everything from the top jus to get a better view.
for a headgasket to do tat, it must be an overboost condition. but then again, by tat time, there will be other symptoms like shudder, rough idling, etc. u should see signs like tat before something big blows. thar she blows, cap'n!
i hope i might help steer in the right direction. i'm sure the other experienced guys like zhilton, bismic, cheezit, npccpartsman, etc., will chime in later.
heck, ah might even be wrong somewhat. my brain's a little fuzzy but if i'm right, i'm sure the guys will say i'm right. hehehehe.
i wish u the best, pal. hope it turns out ok.
Op sounds like the icp sensor if it is an early 04 or a turbo drain tube if not.
Postmaster
Joined: Jul 2011
Posts: 3,263
Likes: 0
From: Houston, TX
hpo leak can come from under the fuel bowl in the valley. if o-rings are bad, tat can cause a leak. bad oil pressure can cause the o-rings to blow out.
like i said, my brain's a little fuzzy. long day. hey, it was bad and terrible too. sorry if i cant be specific at tat time or if i sounded snappy or unclear. i was jus apologizing in advance in case i mis-diagnosed by accident. tat way, when bismic or cheezit or zhilton corrects me, i wont look so bad cos i apologized in advance.
after all, we're all here to learn something. i may have been an engineer but tat doesnt mean i cant be fallible. if i made any mistakes, i humbly apologize.
like i said, my brain's a little fuzzy. long day. hey, it was bad and terrible too. sorry if i cant be specific at tat time or if i sounded snappy or unclear. i was jus apologizing in advance in case i mis-diagnosed by accident. tat way, when bismic or cheezit or zhilton corrects me, i wont look so bad cos i apologized in advance.
after all, we're all here to learn something. i may have been an engineer but tat doesnt mean i cant be fallible. if i made any mistakes, i humbly apologize.
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Postmaster
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Lead Driver
Joined: Mar 2010
Posts: 5,505
Likes: 257
From: Woodbridge, Ontario, CA
What I meant, is HOW is lubrication (ie ENGINE OIL) delivered to all the valvetrain components (ie valves, rocker arms etc.) on ANY OHV engine? As in through WHERE?
Lead Driver
Joined: Mar 2010
Posts: 5,505
Likes: 257
From: Woodbridge, Ontario, CA
DING DING DING!!!
Bingo!!! My point exactly. If engine oil is delivered through the hydraulic lifter, and then through the pushrods (or pushTUBE in Navistar speak), and then turn to the rocker arms, WHERE are there oil passages in the cylinder heads themselves to pass through?
Bingo!!! My point exactly. If engine oil is delivered through the hydraulic lifter, and then through the pushrods (or pushTUBE in Navistar speak), and then turn to the rocker arms, WHERE are there oil passages in the cylinder heads themselves to pass through?
Postmaster
Joined: Jul 2011
Posts: 3,263
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From: Houston, TX
it has to circulate. i'm guessing the oil pump, in this case the hpop, forces the oil thru pushrods to valvetrain to lubricate rocker arms, but for oil to be continually pumped, the oil has to go back to the oil pump. hence, there must be some sort of return holes on the cyleinder heads for the oil to go back to oil pump, then for the oil pump to redo the entire process of pumping thru pushrods and so on and so forth.
Thread Starter
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Junior User
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It's an 06/04. This weekend I'm going to steam clean the intake under the turbo and the rest of engine where oil has leaked at. Then i will go from there. I have some pictures I can email someone to post for me.
Lead Driver
Joined: Mar 2010
Posts: 5,505
Likes: 257
From: Woodbridge, Ontario, CA
My point exactly. That said, the chances of having an oil leak concern from the cylinder head gaskets are ...... ????