post #1 of Old 09-13-2013, 09:26 PM Thread Starter
istildo5150
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Location: rilto
Posts: 5
mysterious hose

Hello Everyone, I'm new to Jeeping and I have to say its been a fun new hobby.

My question is, in the engine bay there's a hose that goes from the top exhaust manifold to the cab. it has a one way valve on it and I cant figure out where in the behind the dash it does to. I posted a picture of it below, its the part in red, my hand is holding the hose that comes out of it. I looked every where under the dash and cant see anything that may have been connected to it.

your help would e greatly appreciated

88 yj
I6
200K miles.
base model





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post #2 of Old 09-13-2013, 09:39 PM
Anticanman
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Looks like your vacuum source for the 4wd system.

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post #3 of Old 09-13-2013, 09:50 PM Thread Starter
istildo5150
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ill check that out thanks for the quick
reply.
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post #4 of Old 09-13-2013, 10:13 PM
jbolty
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or maybe to the heater control

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post #5 of Old 09-16-2013, 07:19 AM
vadslram
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repost from another
It's the vacum line to the heater door motor.
There should also be a check valve in there somewhere.
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