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surfbus23
Samba Member
Joined: July 21, 2016
Posts: 394
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 Posted: Thu Oct 05, 2017 7:47 pm Post subject: Cooling Flaps Shaft Retainer Ground ? |
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I'm curious. What exactly is the point of these? Simply to keep the shaft from popping up? Listed in Bentley as Shaft Retainers and in Jerseylooker fiche as Spring - Throttle flap shaft.
Also, mine has ground connection at the bolt. What does this connect to? |
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BUSBOSS
Samba Member
Joined: January 21, 2009
Posts: 2161
Location: Northern California
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| Posted: Thu Oct 05, 2017 8:04 pm Post subject: Re: Cooling Flaps Shaft Retainers? |
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| surfbus23 wrote: |
| I'm curious. What exactly is the point of these? Simply to keep the shaft from popping up? |
Yep. It's that simple.
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1976 Westfalia
1970 Karmann Ghia Convertible (sold - but not forgotten) |
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surfbus23
Samba Member
Joined: July 21, 2016
Posts: 394
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| Posted: Thu Oct 05, 2017 8:16 pm Post subject: Re: Cooling Flaps Shaft Retainers? |
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Ok. Guess it was a dumb question. I'm just always interested in thinking why something was done. Like if they weren't there would this thing just be popping off left and right?
Any idea about that ground connection? |
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Wildthings
Samba Member
Joined: March 13, 2005
Posts: 52371
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| Posted: Thu Oct 05, 2017 8:24 pm Post subject: Re: Cooling Flaps Shaft Retainers? |
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What ground connection? I don't see what you are talking about.  |
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tripicana
Samba Member
Joined: February 13, 2003
Posts: 1164
Location: colorado springs
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| Posted: Thu Oct 05, 2017 8:24 pm Post subject: Re: Cooling Flaps Shaft Retainers? |
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Probably for the fuel injection you don't have
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surfbus23
Samba Member
Joined: July 21, 2016
Posts: 394
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| Posted: Thu Oct 05, 2017 8:31 pm Post subject: Re: Cooling Flaps Shaft Retainers? |
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| Wildthings wrote: |
| What ground connection? I don't see what you are talking about. |
I'm so bad with terminology. Still lots of learning. The spade (?) thats attached to the left retainer.
Wouldn't think it would be a fuel injection as this was a 72 that never had one. |
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raygreenwood
Samba Member
Joined: November 24, 2008
Posts: 23150
Location: Oklahoma City
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| Posted: Thu Oct 05, 2017 8:55 pm Post subject: Re: Cooling Flaps Shaft Retainers? |
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| surfbus23 wrote: |
| Wildthings wrote: |
| What ground connection? I don't see what you are talking about. |
I'm so bad with terminology. Still lots of learning. The spade (?) thats attached to the left retainer.
Wouldn't think it would be a fuel injection as this was a 72 that never had one. |
On some type 4 engined cars....not,sure od the bus...that ground tab was used for the heater circulation blower that was close by....IIRC.
What is your engine letter code prefix? Ray |
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surfbus23
Samba Member
Joined: July 21, 2016
Posts: 394
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| Posted: Thu Oct 05, 2017 8:58 pm Post subject: Re: Cooling Flaps Shaft Retainers? |
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| raygreenwood wrote: |
On some type 4 engined cars....not,sure od the bus...that ground tab was used for the heater circulation blower that was close by....IIRC.
What is your engine letter code prefix? Ray |
Ok. Engine code is CB. |
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SGKent 
Samba Member
Joined: October 30, 2007
Posts: 42597
Location: at the beach
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| Posted: Thu Oct 05, 2017 9:14 pm Post subject: Re: Cooling Flaps Shaft Retainers? |
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the green wire goes to your missing coil, not ground
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raygreenwood
Samba Member
Joined: November 24, 2008
Posts: 23150
Location: Oklahoma City
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| Posted: Thu Oct 05, 2017 10:29 pm Post subject: Re: Cooling Flaps Shaft Retainers? |
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| SGKent wrote: |
| the green wire goes to your missing coil, not ground |
It took me a minute too....look dead center in the circle he drew. There is a ground tab sticking out from under the cheesehead screw that is holding down the flap rod retainer.
This tab was also sometimes used for an anti-radio interference device. A little square block with two wires.....one to the ground tab there. Ray
Last edited by raygreenwood on Fri Oct 06, 2017 7:05 am; edited 1 time in total |
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Wildthings
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Joined: March 13, 2005
Posts: 52371
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| Posted: Thu Oct 05, 2017 10:40 pm Post subject: Re: Cooling Flaps Shaft Retainers? |
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I am going to guess that his engine is a formerly fuel injected model that was an early conversion to a progressive carb. Note the use of the stock FI manifold runners and the welded center section for the manifold.
To the original poster, is your engine prepped for a mechanical fuel pump toward the front of the right side of the engine? |
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surfbus23
Samba Member
Joined: July 21, 2016
Posts: 394
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| Posted: Sun Oct 08, 2017 7:20 pm Post subject: Re: Cooling Flaps Shaft Retainers? |
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| Wildthings wrote: |
I am going to guess that his engine is a formerly fuel injected model that was an early conversion to a progressive carb. Note the use of the stock FI manifold runners and the welded center section for the manifold.
To the original poster, is your engine prepped for a mechanical fuel pump toward the front of the right side of the engine? |
@Wildthings - I'm not sure what the answer to this is. Here's a picture of the engine bay as it was in the 1972 bus that I first purchased. It was sold and a better, much better, 1979 bus was purchased.
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