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HVAC Slider Testing

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Joined: Wed Aug 05, 2015 8:30 pm
Location: Atlanta, GA

HVAC Slider Testing

Post by gte619n » Sat Sep 01, 2018 6:39 pm


I've got the dash out of the interior of the car and I have full access to the HVAC sliders. When I actuate the middle one, I can see the flaps move directly in front of the unit. When I slide the other two, I can't SEE anything moving, and I'm wondering if something is supposed to be visible. When the car was together, I THINK the top one changed if air came out of the top center vent...

Is there a procedure I can use to test these sliders?

Evan Ruff, Atlanta GA, Engineer
1964 Cadillac Coupe Deville
1972 BMW 3.0CSi, L-Jet 3.5L
1978 Ferrari 308GTB
1985 BMW M635CSi
1995 BMW M3

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