vacuum line what does it go to?

groovyjeepster · Feb 1, 2010

Okay so 90 cherokee, 4.0, aw4, np231, dana 30 and 35. So I found this vacuum line that isnt connected to anything and seems to be coming from the heater core. Can anyone tell me what this goes to. Heres some pictures. Thank you.

90 waggy · Feb 1, 2010

usta go to your heater control valve but someone must have done away with it since i dont see it in the heater core plumbing. it will only leak vacuum when you select cold on the knob in the cab. but it should be plugged off.

cruiser54 · Feb 1, 2010

+1 on that.

MJR · Feb 1, 2010

Yup, that was easy.

tj'sxj · Feb 1, 2010

i put a T on mine and connected it back to the main vaccume on the manifold when i did the vaccum resivor mod/move! just outta peace of mind!

vacuum line what does it go to?

groovyjeepster

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90 waggy

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cruiser54

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MJR

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tj'sxj

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