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AC comming out defrost vents

2K views 8 replies 8 participants last post by  Arisley 
#1 ·
just got the tow rig back from a motor swap, they pulled the cab to do it, at first the air conditioning was working right when picked up, but now its coming out the defrost vents, any idea's?
 
#4 ·
check the lines in the pass floor board also mine was doing the same thing
a while back just look for a tee thats where mine was LOOSE
 
#8 ·
Yup those lines have a tendicy to get hard from age and heat under the hood so they get brittle and when you go messing with them they brake real easy. Or some one just missed the line when they put the cab back on, I've done it. I goe throught the truck and make sure everything works right before the customer picks it back up, but you get in a hurry and things get missed.

Dan
 
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