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brese73 Samba Member
Joined: March 06, 2009 Posts: 360 Location: Delaware
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Posted: Tue Jul 01, 2014 7:14 am Post subject: Heads oil leak |
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I have oil leaking from where there the heads mate to the jugs. I read somewhere that there is no gasket for this mating. Is permatex a solution here, or do I need to have the heads and jugs machined? |
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Eric&Barb Samba Member
Joined: September 19, 2004 Posts: 24670 Location: Olympia Wash Rinse & Repeat
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Posted: Tue Jul 01, 2014 7:32 am Post subject: |
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If you have oil leaking out of there you have bigger problems. That is a combustion chamber and should not be leaking oil out of it. Heads are machined to seal to the cylinders and do not use any sealant.
More likely the oil leak is from one of the push rod tubes instead. _________________ In Stereo, Where Available! |
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j.pickens Samba Member
Joined: December 03, 2002 Posts: 9787 Location: Exit 7, New Jersey
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Posted: Tue Jul 01, 2014 7:52 am Post subject: |
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Yes, the only oil connection from the crankcase to the heads is through the pushrod tubes.
Unless you have totally shot piston rings. _________________ Founder and Chairman Emeritus, ECMSAS
BBX BBXII and BBXXI Long Distance Award Winner
BeaterBarndoor wrote: |
i wish more people would actually drive their vws rather than just talking about what they have in the garage. |
Red Fau Veh wrote: |
If you've seen one sunroof swivel seat kombi, you've seen them all! |
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brese73 Samba Member
Joined: March 06, 2009 Posts: 360 Location: Delaware
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Posted: Tue Jul 01, 2014 8:12 am Post subject: |
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I can clearly see oil is leaking from where the heads mate to the cylinder jugs. So the solution is to have the heads and jugs machined? |
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Eric&Barb Samba Member
Joined: September 19, 2004 Posts: 24670 Location: Olympia Wash Rinse & Repeat
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Posted: Tue Jul 01, 2014 8:56 am Post subject: |
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brese73 wrote: |
I can clearly see oil is leaking from where the heads mate to the cylinder jugs. So the solution is to have the heads and jugs machined? |
If that much oil is coming out of there, it is time for an engine rebuild. Would be like you noticing fecal matter was coming out of your nose. _________________ In Stereo, Where Available! |
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brese73 Samba Member
Joined: March 06, 2009 Posts: 360 Location: Delaware
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Posted: Tue Jul 01, 2014 9:40 am Post subject: |
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It's a recent rebuild with less than 3000 miles from a reputable VW mechanic |
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Eric&Barb Samba Member
Joined: September 19, 2004 Posts: 24670 Location: Olympia Wash Rinse & Repeat
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Posted: Tue Jul 01, 2014 9:51 am Post subject: |
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Then you are going to need to take it apart and find the problem. _________________ In Stereo, Where Available! |
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brese73 Samba Member
Joined: March 06, 2009 Posts: 360 Location: Delaware
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Posted: Tue Jul 01, 2014 10:28 am Post subject: |
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Oh so it could something other than the heads and jugs not flush against each other. Think I've been had. This engine has been leaking like a sive since the day I bought it. Thought it was just a leaky tube, but oh well. Time to chuck this POS. |
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Clara Samba Member
Joined: June 14, 2003 Posts: 12382
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Posted: Tue Jul 01, 2014 10:34 am Post subject: |
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brese73 wrote: |
It's a recent rebuild with less than 3000 miles from a reputable VW mechanic |
Quote: |
This engine has been leaking like a sive since the day I bought it. |
Take it back to the mechanic. |
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brese73 Samba Member
Joined: March 06, 2009 Posts: 360 Location: Delaware
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Posted: Tue Jul 01, 2014 10:38 am Post subject: |
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Sometimes it's better to cut your losses than try and deal with the mechanic that screwed you over in the first place. Chucking this engine in the Atlantic Ocean. |
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crofty Judas of the North
Joined: August 09, 2000 Posts: 19670 Location: Land of Whine and Phonies
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Posted: Tue Jul 01, 2014 10:54 am Post subject: |
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j.pickens wrote: |
Yes, the only oil connection from the crankcase to the heads is through the pushrod tubes.
Unless you have totally shot piston rings. |
I have seen oil seep from the rocker studs if the o ring is shot or missing. _________________ Your Vanagon sucks, Stop waving at me.
HamburgerBrad wrote: |
I slept on crofty's tent once. I passed out drunk from two bottles of Everett's brother's wine. |
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Harleyelf Samba Member
Joined: April 23, 2009 Posts: 1572 Location: Appleton, WI
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Posted: Tue Jul 01, 2014 10:55 am Post subject: |
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Might be as simple as a slipped valve guide, might be a cracked head. Try swapping the heads and see if the problem moves.
Empty the oil before you chuck it in the ocean. Give a hoot, don't pollute! |
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ritchiet002 Samba Member
Joined: January 27, 2003 Posts: 1676 Location: Kaneohe, HI
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Posted: Tue Jul 01, 2014 11:12 am Post subject: |
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Clara wrote: |
brese73 wrote: |
It's a recent rebuild with less than 3000 miles from a reputable VW mechanic |
Quote: |
This engine has been leaking like a sive since the day I bought it. |
Take it back to the mechanic. |
DITTO! unless you got it for free! _________________ Somewhere there is a jar with your name on it!
From now on, I'm gonna connect the dots my own way!______________________________________ |
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RPGreg2600 Samba Member
Joined: November 07, 2010 Posts: 1657 Location: Vallejo, CA
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Posted: Tue Jul 01, 2014 12:14 pm Post subject: |
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You're going to throw out an engine because it leaks oil? That's crazy. It's worth a couple hundred as a core to someone. While you're throwing away money, throw some my way!
Possible leaking oil cooler and fan blowing oil over the top of the head? |
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Z Samba Member
Joined: June 15, 2003 Posts: 2517 Location: galveston, tx
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Posted: Tue Jul 01, 2014 1:15 pm Post subject: |
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Where the leak APPEARS to be coming from is very often not where it really is. Pull it, start disassembling and see what it looks like then. |
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williamM Samba Member
Joined: August 07, 2008 Posts: 4333 Location: southwest Arizona
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Posted: Tue Jul 01, 2014 1:41 pm Post subject: |
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Eric&Barb wrote: |
brese73 wrote: |
I can clearly see oil is leaking from where the heads mate to the cylinder jugs. So the solution is to have the heads and jugs machined? |
If that much oil is coming out of there, it is time for an engine rebuild. Would be like you noticing fecal matter was coming out of your nose. |
OH Now thats just nasty- How about "ice cream from your arm pit??" _________________ some days I get up and just sit and think. Some days I just sit.
opinion untempered by fact is ignorance.
Don't step in any! |
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brese73 Samba Member
Joined: March 06, 2009 Posts: 360 Location: Delaware
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Posted: Tue Jul 01, 2014 1:47 pm Post subject: |
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The oil cooler isn't leaking. I can clearly see oil dripping between the heads and jugs on both heads. The mechanic slapped together some old warped heads and charged me full price. I'm willing to bet the rest of the internals are old worn parts as well. Just won't do business with this reputable Vw mechanic anymore. Def not wasting my time or money on this POS engine. Too many headaches. Gonna enjoy tossing it at the dump. Time to buy new turnkey with a warranty. |
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Z Samba Member
Joined: June 15, 2003 Posts: 2517 Location: galveston, tx
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Posted: Tue Jul 01, 2014 2:06 pm Post subject: |
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German engine tin is getting hard to find....perhaps don't just toss the entire thing? |
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BarryL Samba Member
Joined: November 01, 2004 Posts: 14216 Location: Casa de Oro, California
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Posted: Tue Jul 01, 2014 2:56 pm Post subject: |
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Take off your rockers and tighten the bottom row of stud nuts. If the head is slightly loose compression will force out oil and carbon and the fan will blow it down so it looks like a huge oil leak. Tightening that accessable row of nuts will help. Readjust the tappets when you get done. |
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brese73 Samba Member
Joined: March 06, 2009 Posts: 360 Location: Delaware
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Posted: Tue Jul 01, 2014 3:05 pm Post subject: |
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its not the head studs. I just replaced the pushrod tube bushings and tightened the studs by the book. pretty sure these heads and jugs are toast. |
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