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PDX_VW_Erik
Samba Member
Joined: November 15, 2015
Posts: 199
Location: Oregon
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 Posted: Sun Jul 25, 2021 3:45 pm Post subject: Oil Leaking from Behind the Crank Pulley |
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I searched and didn't find anything similar in the 1000's of results.
Engine is rebuilt about 10k miles ago, no movement on crank pulley push/pull. Stock crank pulley replaced an empi that was previously there. Case is vented to the air cleaner.
Some time ago, I took all the top off, replaced gaskets, cleaned things up, painted parts, and reassembled. Before this, it was the driest bug engine that I've ever seen, now, I get oil all over.
I changed my oil a bit ago and when I refilled, new oil freely poured out from behind the crank pulley.
Is there a seal that I missed in reassembly? I've never seen a seal on that side.
WTF is going on???
In responses, you're not allowed to say the words "bearing", "rebuild", or "new case" please and thank you.
_________________
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cbeck
Samba Member
Joined: January 14, 2014
Posts: 2495
Location: high ridge, mo
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| Posted: Sun Jul 25, 2021 3:52 pm Post subject: Re: Oil Leaking from Behind the Crank Pulley |
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Was there a dust seal behind the pulley? Pulley snouts smooth or spiral fluted?
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My cut in half and rebuild thread
www.thesamba.com/vw/forum/viewtopic.php?t=647779 |
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PDX_VW_Erik
Samba Member
Joined: November 15, 2015
Posts: 199
Location: Oregon
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| Posted: Sun Jul 25, 2021 4:03 pm Post subject: Re: Oil Leaking from Behind the Crank Pulley |
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| cbeck wrote: |
| Was there a dust seal behind the pulley? Pulley snouts smooth or spiral fluted? |
If there was a dust seal, there's not one now. I don't believe that I pulled one out.
Crank is smooth, the pulley has the oil slinger grove.
_________________
Good decisions come from experience. Experience comes from bad decisions.
| mukluk wrote: |
| Rather fitting signature line. I think you're going to gain some experience here. |
Optimism will not solve all of your problems, but it will annoy enough people to make it worth the effort. |
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67rustavenger 
Samba Member
Joined: February 24, 2015
Posts: 9772
Location: Oregon
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| Posted: Sun Jul 25, 2021 4:14 pm Post subject: Re: Oil Leaking from Behind the Crank Pulley |
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Oil should not be pouring out of the freshly filled crankcase. Is it possible that you over filled it?
I've never had this happen on an over filled engine.
Do you happen to know the outside diameter if the crank pulley snout?
A stock one should measure around 49.84mm.
What is the replacement pulley snout diameter?
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I have learned over the years.
Cheap parts are gonna disappoint you.
Buy Once, Cry Once!
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PDX_VW_Erik
Samba Member
Joined: November 15, 2015
Posts: 199
Location: Oregon
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| Posted: Sun Jul 25, 2021 5:08 pm Post subject: Re: Oil Leaking from Behind the Crank Pulley |
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| 67rustavenger wrote: |
| Oil should not be pouring out of the freshly filled crankcase. Is it possible that you over filled it? |
It poured through with the first quart.
| 67rustavenger wrote: |
Do you happen to know the outside diameter if the crank pulley snout?
A stock one should measure around 49.84mm.
What is the replacement pulley snout diameter? |
I can't pull the pulley off right now. I know that I had to tap it on, it didn't just slide on and off like the empi one did. And, no, I don't capitalize the "empi" word.
_________________
Good decisions come from experience. Experience comes from bad decisions.
| mukluk wrote: |
| Rather fitting signature line. I think you're going to gain some experience here. |
Optimism will not solve all of your problems, but it will annoy enough people to make it worth the effort. |
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modok
Samba Member
Joined: October 30, 2009
Posts: 26790
Location: Colorado Springs
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| Posted: Sun Jul 25, 2021 5:08 pm Post subject: Re: Oil Leaking from Behind the Crank Pulley |
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| Oil can pour out behind the pulley if you pour it in it too fast. |
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