mystery line, please help identify

youremyboyblue

i have what looks like a vacuum line (? white plastic tubing with black rubber sheath) disconnected in my 1986 syncro vanagon engine bay. it doesn't look to be fuel system related based on the diagram on the black box in the engine bay or in the bentley. any help identifying this is appreciated!

1 of 3 lines coming from passenger side of firewall:

Image may have been reduced in size. Click image to view fullscreen.

Dogpilot · Posted: Mon Dec 21, 2009 9:52 am Post subject:

It looks as if it was the transmission vent line. The L fitting has broken off. It does get brittle. It should go into the .50¢ piece sized hole in the bell housing, the is a big rubber grommet that fills the hole with a small hole in the middle the end of the plastic L went into.
_________________
Geology with a Syncro rocks!
86 Syncro Westy AKA "The Bughunter"
98 Disco I
08 Range Rover SC
08 VW Rabbit S
1951 O-1G

youremyboyblue · Posted: Mon Dec 21, 2009 2:34 pm Post subject: thanks for the swift reply!

even with the heads up as to what i'm looking at, i'm still at a loss to find information about it in the bentley ...

now i'm curious, what is the damage exposure while driving like this? filth in to the transmission through the .50 grommet? and, furthermore, is this a simple FLAPS fix?

MsTaboo · Posted: Mon Dec 21, 2009 2:43 pm Post subject:

Hey youremyboyblue,

Those plastic lines are Syncro only vent lines from your front differential,
transmission, and bell housing. Their purpose is to provide atmospheric venting from these units which are sealed against water and mud. Without these vents the pressure difference between inside/outside would blow the seals.
If you cannot find a replacement L fitting for the top of the bell housing it's no big deal unless you want to go mud whooping, then water and crap would get into the bell housing.
You can always fab something to work (rubber stopper with hole for plastic line)
_________________
Currently:
'90 Syncro Westy 3 knob w/Zetec

The information age has morphed into the age of disinformation and willful ignorance. Agnotology!
Help the fight against Truth Decay.
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MsTaboo · Posted: Mon Dec 21, 2009 2:51 pm Post subject:

youremyboyblue,

Here is a pic of what the original vent plug looks like:

The pic is of my Zetec motor, so the location is different than yours.
_________________
Currently:
'90 Syncro Westy 3 knob w/Zetec

The information age has morphed into the age of disinformation and willful ignorance. Agnotology!
Help the fight against Truth Decay.
Defend democracy, support Ukraine.

youremyboyblue · Posted: Mon Dec 21, 2009 3:28 pm Post subject: thanks for all the help ...

even with all the help thus far and after looking around for 20 min; i still can't find anywhere this line would fit to.

Sad

we just had a snow storm; i guess i'll just drive it 'til it blows ... Embarassed

MsTaboo · Posted: Mon Dec 21, 2009 3:42 pm Post subject:

youremyboyblue,

you are not gonna blow anything. Like I said, you can leave it the way it is unless you wanna go driving through deep puddles (2-3ft)

The place where the plug goes is that .50 cent sized hole at the top of the bell housing. You can see it in the photo you posted (Right hand middle of your photo)
_________________
Currently:
'90 Syncro Westy 3 knob w/Zetec

The information age has morphed into the age of disinformation and willful ignorance. Agnotology!
Help the fight against Truth Decay.
Defend democracy, support Ukraine.

youremyboyblue · Posted: Mon Dec 21, 2009 3:55 pm Post subject:

iceracer · Posted: Mon Dec 21, 2009 3:57 pm Post subject:

Go to your pic you sent us and you will see the 50 cent hole behind the #3 intake runner. The hole is in the case just below the engine/trans bolt. You can't miss it. No harm done to leave it as is, it only vents the trans.
_________________
86 Syncro Wolfsburg edition
63 Beetle (The Iceracer)


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