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busdaddy Samba Member

Joined: February 12, 2004 Posts: 52747 Location: Surrey B.C. Canada, but thinking of Ukraine
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Posted: Sat Jun 21, 2025 8:47 pm Post subject: Re: Fuel line leak at #2 |
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bsairhead wrote: |
You can buy a cleaner kit for half that amount plus spray cleaner and do it yourself. |
Really?, an ultrasonic cleaning, new screens and a charted flow test* at home for less than $40?, I've gotta see that.
(*Assuming they do it like all the other injector shops) _________________ Rust NEVER sleeps and stock never goes out of style.
Please don't PM technical questions, ask your problem in public so everyone can play along. If you think it's too stupid post it here
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Слава Україні! |
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Raescafe Samba Member
Joined: June 29, 2019 Posts: 52 Location: Ohio
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Posted: Sat Jul 12, 2025 10:09 am Post subject: Re: Fuel line leak at #2 |
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Got it all put back together. Checked for leaks and all looks good. Went for a test drive and totally lost power and zip. Idled fine at start up. Any thoughts? |
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VW_Jimbo  Samba Member

Joined: May 22, 2016 Posts: 11136 Location: Huntington Beach, CA
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Posted: Sat Jul 12, 2025 11:34 am Post subject: Re: Fuel line leak at #2 |
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Distributor getting a vacuum signal?
Good spark?
Good fuel column?
All of the wire reconnected? Temp sensor connected? AFM? RPM?
Accelerator cable still attached?
Picture? _________________ Jimbo
There is never enough time to do it right the first time, but all the time necessary the second time!
TDCTDI wrote: |
Basically, a whole bunch of fuckery to achieve a look. |
67rustavenger wrote: |
GFY's Xevin and VW_Jimbo!  |
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busdaddy Samba Member

Joined: February 12, 2004 Posts: 52747 Location: Surrey B.C. Canada, but thinking of Ukraine
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Posted: Sat Jul 12, 2025 11:57 am Post subject: Re: Fuel line leak at #2 |
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To add to Jim's questions...
Distributor breaker plate moves when you suck on the line?
Line holds a vacuum when you suck and cap it with your tounge?
What are you setting the timing to and how are you doing it?
Alot of times when someone complains of sudden lack of zip it's because a cylinder isn't firing, pull one plug wire at a time from the cap as it idles, the RPM's should drop, put that wire back and pull the next one, same drop?
If pulling one doesn't change the idle you found a problem, next step is find out if it's spark or fuel to blame.
Use rubber gloves or insulated pliers when handling plug wires to avoid getting zapped. _________________ Rust NEVER sleeps and stock never goes out of style.
Please don't PM technical questions, ask your problem in public so everyone can play along. If you think it's too stupid post it here
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Raescafe Samba Member
Joined: June 29, 2019 Posts: 52 Location: Ohio
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Posted: Sat Jul 12, 2025 12:12 pm Post subject: Re: Fuel line leak at #2 |
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Appreciate the insight. I only unplugged #2 plug wire to give me better access to the fuel injectors. I didn’t do anything else but to reinstall everything in order from removal. I just started it and I’ve lost the good idle I had before test drive around the block. Need to hold accelerator to keep it running.
Here are some pics than Jim asked for.
I’m not setting timing at this point. Ive only attempted to fix leaky fuel line at injector and now this issue. Some of the items you noted might be an over my novice mechanical understanding but I really appreciate your input. Thanks. |
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busdaddy Samba Member

Joined: February 12, 2004 Posts: 52747 Location: Surrey B.C. Canada, but thinking of Ukraine
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Posted: Sat Jul 12, 2025 1:15 pm Post subject: Re: Fuel line leak at #2 |
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You are only a novice until you've done it once, all this stuff can be accomplished at home with some coaching.
You just had all 4 injectors out for a cleaning didn't you? _________________ Rust NEVER sleeps and stock never goes out of style.
Please don't PM technical questions, ask your problem in public so everyone can play along. If you think it's too stupid post it here
Stop dead photo links! Post your photos to The Samba Gallery!
Слава Україні! |
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Raescafe Samba Member
Joined: June 29, 2019 Posts: 52 Location: Ohio
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Posted: Sat Jul 12, 2025 3:41 pm Post subject: Re: Fuel line leak at #2 |
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@busdaddy I only pulled the two on the right. One had the had the faulty fuel line. |
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busdaddy Samba Member

Joined: February 12, 2004 Posts: 52747 Location: Surrey B.C. Canada, but thinking of Ukraine
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Posted: Sat Jul 12, 2025 5:23 pm Post subject: Re: Fuel line leak at #2 |
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That still leaves two possible faulty spark plugs, or two injector trigger plugs, old wire sometimes breaks when disturbed. Look for a dead cylinder and then we'll discuss how to diagnose if that is the cause of the power loss. _________________ Rust NEVER sleeps and stock never goes out of style.
Please don't PM technical questions, ask your problem in public so everyone can play along. If you think it's too stupid post it here
Stop dead photo links! Post your photos to The Samba Gallery!
Слава Україні! |
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Raescafe Samba Member
Joined: June 29, 2019 Posts: 52 Location: Ohio
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Posted: Sun Jul 13, 2025 3:14 pm Post subject: Re: Fuel line leak at #2 |
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@busdaddy it is possible the connectors have failed. I struggled to get them disconnected and may have used a bit much muscle to unclip them.
I’ll see what I can investigate the dead cylinder head. Thanks. |
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Raescafe Samba Member
Joined: June 29, 2019 Posts: 52 Location: Ohio
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Posted: Mon Jul 14, 2025 11:33 am Post subject: Re: Fuel line leak at #2 |
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Well novice mechanics make novice mistakes…it helps the cylinders to fire when the FI connectors are snapped into place. Makes a world of difference.
Thanks for all the coaching here. Until the next repair. |
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busdaddy Samba Member

Joined: February 12, 2004 Posts: 52747 Location: Surrey B.C. Canada, but thinking of Ukraine
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Posted: Mon Jul 14, 2025 12:45 pm Post subject: Re: Fuel line leak at #2 |
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Good job!
Every mistake is a learning experience, I'll bet you check that first next time.  _________________ Rust NEVER sleeps and stock never goes out of style.
Please don't PM technical questions, ask your problem in public so everyone can play along. If you think it's too stupid post it here
Stop dead photo links! Post your photos to The Samba Gallery!
Слава Україні! |
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VW_Jimbo  Samba Member

Joined: May 22, 2016 Posts: 11136 Location: Huntington Beach, CA
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Posted: Mon Jul 14, 2025 6:39 pm Post subject: Re: Fuel line leak at #2 |
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Nice job! I guess the answer to my question #4 was “nope!”.
Glad you found d the loose one! _________________ Jimbo
There is never enough time to do it right the first time, but all the time necessary the second time!
TDCTDI wrote: |
Basically, a whole bunch of fuckery to achieve a look. |
67rustavenger wrote: |
GFY's Xevin and VW_Jimbo!  |
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KTPhil  Samba Member

Joined: April 06, 2006 Posts: 35871 Location: Conejo Valley, CA
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Posted: Tue Jul 15, 2025 10:06 am Post subject: Re: Fuel line leak at #2 |
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It will lose more than just "zip" if you keep running it with the right fan shroud outlet unplugged... _________________ Current Fleet:
- '71 Fastback
- '69 Westfalia
Retired:
- '67 Beetle
- '65 Beetle (x2)
- '65 Bus
- '71 Squareback |
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Bonedoggie Samba Member
Joined: October 24, 2020 Posts: 20 Location: Ann Arbor, MI
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Posted: Tue Jul 15, 2025 5:03 pm Post subject: Re: Fuel line leak at #2 |
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What a great thread, and excellent advice all around. Not knowing how frequently you drive, I would only comment that if it's available and near by, use gas sans ethanol (rec gas) if possible going forward.
JB |
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