A4 B5 fuel lines

tractor Dave · 17-03-21, 12:37 PM

Hi Guys
Doing a friend a favour on his 2.5 tdi and replacing the under car fuel lines as they are corroded.
The feed from the rear enters a splitter, then runs as two pipes to the front of the car before entering another splitter and going back to a single pipe. Just wondering why? Can I delete the two splitters and replace with a single pipe?

Cheers
Dave

tractor Dave · 17-03-21, 12:39 PM

Both ends the same.

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tractor Dave · 17-03-21, 07:15 PM

Ok, I went ahead and replaced with a single 8mm pipe and it runs.

I haven't taken it for a drive yet as I have a list of other jobs to do first.

BackintheFold · 17-03-21, 08:05 PM

I do not know why I think this, but is it something to do with preventing a surge of fuel?

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tractor Dave · 17-03-21, 08:57 PM

Quote:

Originally Posted by BackintheFold

I do not know why I think this, but is it something to do with preventing a surge of fuel?

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Not sure either. I can't see Audi doing it for no reason.
I asked my VAG trained mechanic friend and he said he had never seen them like that before? Even more confused.

mikes2 · 17-03-21, 09:43 PM

What's that last number ?

4D0 201 40? A

BackintheFold · 17-03-21, 10:55 PM

5

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tractor Dave · 18-03-21, 06:22 AM

405a
Did a google, no match.
Audi Tradition list it without the A as fuel distributor.

tractor Dave · 18-03-21, 03:40 PM

Car is running perfectly with no issues.

BackintheFold · 18-03-21, 04:25 PM

Quote:

Originally Posted by tractor Dave

Car is running perfectly with no issues.

"Car is running perfectly with no issues. "

So far.

17-03-21, 08:05 PM	#4
BackintheFold Senior Member Classic Audi Club Member Join Date: Feb 2019 Location: Near an MB ur Quattro Posts: 1,171	I do not know why I think this, but is it something to do with preventing a surge of fuel? Sent from my iPhone using Tapatalk __________________ 2006 A3 (daily drive) 1987 MB ur

17-03-21, 09:43 PM	#6
mikes2 4 ring whore! Classic Audi Club Member Join Date: Nov 2007 Location: Polmont Posts: 2,617	What's that last number ? 4D0 201 40? A __________________ 1991 90 quattro 20v sport 1991 90 quattro

17-03-21, 10:55 PM	#7
BackintheFold Senior Member Classic Audi Club Member Join Date: Feb 2019 Location: Near an MB ur Quattro Posts: 1,171	5 Sent from my iPhone using Tapatalk __________________ 2006 A3 (daily drive) 1987 MB ur

17-03-21, 12:39 PM	#2
tractor Dave Senior Member Classic Audi Club Member Join Date: Apr 2018 Location: Wales Posts: 1,157	Both ends the same. Sent from my iPhone using Tapatalk

17-03-21, 07:15 PM	#3
tractor Dave Senior Member Classic Audi Club Member Join Date: Apr 2018 Location: Wales Posts: 1,157	Ok, I went ahead and replaced with a single 8mm pipe and it runs. I haven't taken it for a drive yet as I have a list of other jobs to do first.

18-03-21, 06:22 AM	#8
tractor Dave Senior Member Classic Audi Club Member Join Date: Apr 2018 Location: Wales Posts: 1,157	405a Did a google, no match. Audi Tradition list it without the A as fuel distributor.

18-03-21, 03:40 PM	#9
tractor Dave Senior Member Classic Audi Club Member Join Date: Apr 2018 Location: Wales Posts: 1,157	Car is running perfectly with no issues.