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problem with air blowing

2K views 9 replies 5 participants last post by  6.0joe 
#1 ·
Try to get it to go to vents but only stays on defrost checked the vac. Lines under the glove box and they look good what could be my problem?
 
#2 ·
Vacuum line on heater control hose under hood passenger side of engine bay mine comes loose from time to time
 
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