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I just finished replacing my intake manifold gaskets. While reinstalling the fuel line bracket, I found this hose toward the rear of the engine. I checked my disassembly notes and photos and I don't have any recollection of having disconnected it from anything.

What is this hose for?

Some more info:

  • It also doesn't have any more slack in the hose to pull any further forward.
  • It connects to something just forward of the fuel tank (2nd photo) (forgive my ignorance, but I don't know the name of what it connects to)
  • It has a hose clamp, but its about 12" from the end of the hose. (but that makes me think its supposed to connect to something)

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  • My first thought is that this is the purge line from the charcoal canister. It's possible it's been disconnected for a long time.
    – jwh20
    Sep 13 '21 at 22:12
  • I can't tell for sure, but I'd bet this tube (and the connector behind it) are supposed to be part of the purge system and attached to a charcoal canister or purge solenoid which is not longer there. (Note: Just read @jwh20's comment, so seems they agrees with me.) Sep 13 '21 at 22:14
  • If you're talking about the wire connector behind it, thats for the distributor. The purge solenoid is on the passenger side of the intake manifold, and is connected. Photo: imgur.com/a/aA24kJk Sep 13 '21 at 22:46
  • @AdamKonieska - Maybe a better picture of what it's connected to underneath the vehicle? With what its attached to, is that object connected to anything? Sep 13 '21 at 22:50
  • @Paulster2 - added images to the question. This is two shots from the side, with reference points labeled: i.stack.imgur.com/W7V3G.jpg I'm not knowledgeable enough to know what all the connecting parts are called. Sep 14 '21 at 2:31
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After a bit of googling, I think its a vent hose off the transfer case. Would love a second opinion on this.

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i just finished a job with same trans . thats the only hose that comes off of the top of the case is the vent tube , and also connects to another hose then runs over to frame rail and up to top of firewall. hope this helps 37yrs greasy, experience.

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