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04-09-2009, 03:17 PM
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#1 (permalink)
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Junior Member
Join Date: Jan 2009
Location: California
Posts: 18
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Panhead oil leak!
I have an old but taken care of 55' Panhead. The rear rocker cover keeps leaking oil from the rear part closest to the frame. I replaced the gaskets and D-ring. I checked to see if the cover itself was warped. Everything looks good. I am using the new rubber gaskets and not the old metal cored paper gaskets. It only leaks when it is warm. Any suggestions?
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04-09-2009, 03:24 PM
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#2 (permalink)
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Mentally unstable.
Join Date: Jun 2008
Location: Pennsyltucky
Posts: 6,627
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Head may be warped.
Is the oil baffle in the pan/lid? (glues to the underside top)
Are the pushrod tubes blocked at all slowing oil return?
__________________
HERD meber #10
DISCLAIMER: Any information, advice or child raising tips I give on this forum should be taken with a grain of salt, 8 hours sleep and at least 6 beers.
Following my instructions will likely lead to death, mental retardation and/or bodily injury, consistant with eating lead-based paint chips, and by doing so, will release me, my family and my dog from any legal action(s) for listening to anything I recommended. 
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04-09-2009, 05:49 PM
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#3 (permalink)
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CHOPPA RIDN MADNESS
Join Date: Sep 2008
Location: In a van down by the river
Posts: 5,630
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Make sure it dont hit the frame and you can double up cork gasket Ive done it a bunch of time and it works.Let us know how you make out.
__________________
Nothing better than downing beers and throwing lead.
Except riding my Sled. 
"If you treat me good,Ill treat you better.
If you treat me bad Ill treat you Worse."
Lifes journay is not to arrive at the grave safely
in a well preserved body,but to skid in sideways,totaly worn out,shouting"Holy Shit what a fukin ride"...
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04-09-2009, 08:18 PM
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#4 (permalink)
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when did it start 4u
Join Date: Mar 2009
Location: Knoxvegas
Posts: 1,143
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I read the title and said panhead oil leak thought to myself well duh its a panhead, I would check what these guys says they know their shat
__________________
1988 FLHS with HACK
2004 Sportster
2006 GTO with idle problem
2008 WRX (DD)
The HERD 00046
A great man once said
" you better keep your traps shut, bc you know what they say, People in glass houses sink ships"
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04-09-2009, 09:59 PM
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#5 (permalink)
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Mentally unstable.
Join Date: Jun 2008
Location: Pennsyltucky
Posts: 6,627
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Other things to check:
Check the engine crankcase vent. If it is clogged it will pressurize all sorts of things and "force" the oil out.
Check the oil screen on top of the cam cover. Take out the plug and you will find a small screen. It "filters" the tappet oil. Make sure it is clean.
What oil Viscosity are you using?
Also, despite having new "D"-rings, you need to take the rear pan (rocker cover) off and check to make sure it's not bent, from over tightening over the years. Even a new "D"-ring won't help that....
Despite ALL that..........has anyone had the cam out recently or messed with the crankcase vent timing gear?
__________________
HERD meber #10
DISCLAIMER: Any information, advice or child raising tips I give on this forum should be taken with a grain of salt, 8 hours sleep and at least 6 beers.
Following my instructions will likely lead to death, mental retardation and/or bodily injury, consistant with eating lead-based paint chips, and by doing so, will release me, my family and my dog from any legal action(s) for listening to anything I recommended.
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04-10-2009, 08:37 AM
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#6 (permalink)
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CHOPPA RIDN MADNESS
Join Date: Sep 2008
Location: In a van down by the river
Posts: 5,630
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Put the base of the rear pan on somthing flat like a glass window and you will see if its bent up.
All good points to check Dave ,I have noticed on the pans Ive owned that the head to frame clearance of the seat post is very important maker sure your engine mounts are tight and not loose from vibration main cause of head banging the frame.
__________________
Nothing better than downing beers and throwing lead.
Except riding my Sled.
"If you treat me good,Ill treat you better.
If you treat me bad Ill treat you Worse."
Lifes journay is not to arrive at the grave safely
in a well preserved body,but to skid in sideways,totaly worn out,shouting"Holy Shit what a fukin ride"...
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04-16-2009, 07:59 PM
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#7 (permalink)
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The Northern Redneck
Join Date: Mar 2009
Location: Alaskafornia
Posts: 4,571
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I've used the paper gaskets, sprayed em with WD-40 and installed em,,,keeps the oil from goin' through...
__________________
Keep the rubber down & the sunny side up 
You can Sleep when ur Dead...  
Baggers RULE !!!
HERD Member # 000015
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04-17-2009, 08:44 AM
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#8 (permalink)
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CHOPPA RIDN MADNESS
Join Date: Sep 2008
Location: In a van down by the river
Posts: 5,630
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I use cork with steel sandwiched inbetween the gasket bought em like that of EGAY best rocker gasket I ever used no sealer and no leaks.
__________________
Nothing better than downing beers and throwing lead.
Except riding my Sled.
"If you treat me good,Ill treat you better.
If you treat me bad Ill treat you Worse."
Lifes journay is not to arrive at the grave safely
in a well preserved body,but to skid in sideways,totaly worn out,shouting"Holy Shit what a fukin ride"...
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04-17-2009, 09:40 AM
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#9 (permalink)
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The Northern Redneck
Join Date: Mar 2009
Location: Alaskafornia
Posts: 4,571
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my bud uses the steel gasket with the silicone seal attached to both sides of the gasket. has no more leaking problem...
__________________
Keep the rubber down & the sunny side up
You can Sleep when ur Dead...
Baggers RULE !!!
HERD Member # 000015
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