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Where does this connect?

920 views 2 replies 3 participants last post by  work&play 
#1 ·
i was checking Trans Fluid and noticed this grey tube/hose. It was just sitting there but I couldn't figure out where it came from. The red pen in the photo is just for reference. Auto part Pipe Automotive fuel system Engine Automotive tire
 
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#2 ·
I am pretty sure that connects to the heater shutoff valve in the heater hose line. It is used to completely shut off coolant flow to the heater when you have max AC on.
 
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