1989 Mercedes Benz SL500 Air control to the vents

1989 MERCEDES BENZ SL500
87,000 MILES • V8 • 2WD • AUTOMATIC
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JONJUAN69US
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My air cools great, but no matter what setting is selected on the auto control, air blows through the defrost as well as the vents causing the windshield to fog up? Does this sound like a vac. issue or something else? Thanks!
Aug 13, 2008 at 11:47 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
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