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bugcity4154
Samba Member
Joined: June 06, 2020
Posts: 68
Location: Naperville, IL
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 Posted: Thu Jul 29, 2021 11:54 am Post subject: What are these? |
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Anyone know what these are (circled in red)? I'm working on my 1979 Beetle chassis, just trying to understand where all the lines go to. Or does anyone have a good diagram of where all hoses/cables go?
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ashman40
Samba Member
Joined: February 16, 2007
Posts: 15982
Location: North Florida, USA
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| Posted: Thu Jul 29, 2021 11:58 am Post subject: Re: What are these? |
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Aren't those the fuel lines that run inside the center tunnel? The other ends of those two steel lines come out from the two frame horns that bracket the transmission. Blow air the them one at a time to determine which is which.
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AshMan40
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'67 Beetle #1 {project car that never made it to the road  }
'75 Beetle 1200LS (RHD Japan model) {junked due to frame rot}
'67 Beetle #2 {2019 project car - Wish me luck!} |
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raydog
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Joined: February 09, 2006
Posts: 1163
Location: Cape Cod
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| Posted: Thu Jul 29, 2021 11:58 am Post subject: Re: What are these? |
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Wild guess here, it looks like the supply and return fuel lines for the fuel injection system.
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Come on, It's not rocket science. KISS |
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bugcity4154
Samba Member
Joined: June 06, 2020
Posts: 68
Location: Naperville, IL
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| Posted: Thu Jul 29, 2021 12:09 pm Post subject: Re: What are these? |
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| ashman40 wrote: |
| Aren't those the fuel lines that run inside the center tunnel? The other ends of those two steel lines come out from the two frame horns that bracket the transmission. Blow air the them one at a time to determine which is which. |
Ahhh that makes sense! But wouldn't they both blow air either direction? Is there a way I can determine in/out from engine? I haven't taken the engine off the chassis yet (doing things one at a time so I don't screw anything up!) |
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ashman40
Samba Member
Joined: February 16, 2007
Posts: 15982
Location: North Florida, USA
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| Posted: Thu Jul 29, 2021 1:22 pm Post subject: Re: What are these? |
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| bugcity4154 wrote: |
| But wouldn't they both blow air either direction? Is there a way I can determine in/out from engine? |
My suggestion to blow air thru the line is to determine which of the two lines up front come out the left rear frame horn, and which comes out the right frame horn. If there some identifier on the lines so you can tell which is which?
If both lines are the same diameter (7mm?) I guess it doesn't matter which is used for tank to engine and which is regulator return to tank.
For the the earlier carberated Beetles there was a single 5mm steel line that ran from the front and exited the left rear frame horn.
| bugcity4154 wrote: |
| I haven't taken the engine off the chassis yet (doing things one at a time so I don't screw anything up!) |
So the pic you posted is NOT your car? That would explain why you are asking. I was wondering how someone could disassemble their car down to the pan and not know what those lines were for. 
_________________
AshMan40
---------------------------
'67 Beetle #1 {project car that never made it to the road }
'75 Beetle 1200LS (RHD Japan model) {junked due to frame rot}
'67 Beetle #2 {2019 project car - Wish me luck!} |
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bugcity4154
Samba Member
Joined: June 06, 2020
Posts: 68
Location: Naperville, IL
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| Posted: Thu Jul 29, 2021 1:43 pm Post subject: Re: What are these? |
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| Correct! Not my car... found this image in the gallery, but I'm going about this very cautiously before taking apart my car... my first time! Thank you both for the responses! |
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TK-CS
Samba Member
Joined: April 15, 2019
Posts: 279
Location: D - Deutschland
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| Posted: Thu Jul 29, 2021 3:10 pm Post subject: Re: What are these? |
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| ashman40 wrote: |
My suggestion to blow air thru the line is to determine which of the two lines up front come out the left rear frame horn, and which comes out the right frame horn. |
Both come out of the left frame horn.
But anyway one has to determine which is which to connect engine and fuel tank in the right way.
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