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mattlockwood
Samba Member
Joined: June 15, 2012
Posts: 360
Location: KCMO
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 Posted: Thu Dec 14, 2017 2:28 pm Post subject: Oil bath leak? |
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Oil bath pedestal is soaked with oil. Seems like oil is entering the oil bath and somehow leaving the oil bath, making a mess. (Blow by?) 😞
I have the top port in this photo connected to the oil filler neck port. However, where does the bottom port in this picture attach to? I believe the oil is coming out from the bottom port
70 Bay B motor 1600 sp
Oil bath is a 71
Thx
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1970 Bay Window Bus.
110 hp 6 cyl Aircooled automatic |
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sodbuster
Samba Member
Joined: August 08, 2004
Posts: 1084
Location: wherever my baywindow takes me.
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| Posted: Thu Dec 14, 2017 2:49 pm Post subject: Re: Oil bath leak? |
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| That bottom port connects to the outlet side of the charcoal canister. |
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SGKent 
Samba Member
Joined: October 30, 2007
Posts: 41031
Location: Citrus Heights CA (Near Sacramento)
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| Posted: Thu Dec 14, 2017 2:51 pm Post subject: Re: Oil bath leak? |
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as I recall from my 1971 bottom goes to the breather, top goes to the carbon canister.
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sodbuster
Samba Member
Joined: August 08, 2004
Posts: 1084
Location: wherever my baywindow takes me.
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| Posted: Thu Dec 14, 2017 3:07 pm Post subject: Re: Oil bath leak? |
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| SGKent wrote: |
| as I recall from my 1971 bottom goes to the breather, top goes to the carbon canister. |
It's kind of down to routing of hoses in my opinion. Both are before the filter element and essentially end up in the same part of the filter housing. But the bottom port is more directly positioned to the stream of intake air.
I also noticed the flapper assembly is dropping down from its mounting and need to be pushed back up into place. see below.
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airschooled
Air-Schooled
Joined: April 04, 2012
Posts: 12721
Location: on a bike ride somewhere
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| Posted: Thu Dec 14, 2017 3:08 pm Post subject: Re: Oil bath leak? |
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| SGKent wrote: |
| as I recall from my 1971 bottom goes to the breather, top goes to the carbon canister. |
Correct.
The bob weight on the arm allows the intake to put a slight vacuum on the crank case. Under higher airflow, like on the freeway, the weighted flap will allow more air from the snorkel to enter the intake while the design of the flap will still allow a tiny vacuum on the crankcase. This will help alleviate oil leaks while running, if you have any.
Robbie
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mattlockwood
Samba Member
Joined: June 15, 2012
Posts: 360
Location: KCMO
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| Posted: Thu Dec 14, 2017 3:55 pm Post subject: Re: Oil bath leak? |
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This is fantastic information. Thank you.
Since my 70 has no charcoal canister, can I plug on of the holes?
... or, I should buy a charcoal canister... I have a 74 doghouse
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1970 Bay Window Bus.
110 hp 6 cyl Aircooled automatic |
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busdaddy
Samba Member
Joined: February 12, 2004
Posts: 51131
Location: Surrey B.C. Canada, but thinking of Ukraine
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| Posted: Thu Dec 14, 2017 4:18 pm Post subject: Re: Oil bath leak? |
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Cap the unused port, your fuel tank likely doesn't have the provison for using a canister.
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