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My 69 XR7's A/C blows very well through the registers on the instrument panel, above the radio, but there's very low air flow coming from the outer, circular registers.
Any help is appreciated.
John
 

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The flexible ducts may have deteriorated and have holes in them.

JAMES
This is the most common problem when it comes to airflow from the side vents. The left and right side vents do have some flexible 2 1/2" round duct that will rot over time. the center vent duct is hard plastic and will not rot like the flexible sides will.
 

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Classic Auto Air sells this tubing by the foot. WCCC has originals used but are on the expensive side, they have clamps on ends and fit like a glove though. If replacing, take care installing the hose on drivers side, it can get caught up in the windsheild wiper arms. ( found out the hard way, this is so)
Charlie
 
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